Medicaid Provider SpendingClaims paid 2018–2024 · HHS public file
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Hospital

Summit Healthcare Association

Summit Healthcare Association was paid $50.77M by Medicaid between Jan 2018 and Dec 2024, across 327 billing codes. Its largest line is 74177, Computed tomography, abdomen and pelvis; with contrast material — 17% of everything it billed.

33Billing provider infoSUMMIT HEALTHCARE ASSOCIATION
SHOW LOW, AZ 85901
33aNPI1144209271assigned 01/17/2006
28Total paid$50.77M
24GClaims1,079,631
24DCodes billed327
24AFirst – last monthJan 2018 – Dec 2024
Compared with peers

Next to other Rural Acute Care Hospital providers in Arizona

Rank by total paid#1 of 5
Median peer was paid$23.19M
This provider vs. median2.2×

Peers share this provider's primary NPPES type and state. Size alone says nothing about billing quality: a big agency or a hospital system is expected to sit far above the median.

Box 24A · Dates of service

Paid by month

$0$500K$1.0M2018201920202021202220232024
Paid that monthNov–Dec 2024: claims still arriving when the file was cut, so these months run low for every provider
By year, as a table
YearClaimsPaid
2018155,763$6.75M
2019149,846$6.95M
2020138,456$6.34M
2021157,729$7.21M
2022160,077$8.32M
2023180,261$8.53M
2024incomplete137,499$6.68M
Box 24 · Service lines

What it billed for

CodeServiceShareClaimsBene. recordsPaid
74177 Computed tomography, abdomen and pelvis; with contrast material 17% 11,467 10,431 $8.56M
99283 Emergency room visit (moderate)Emergency department visit for the evaluation and management, moderate severity 16% 30,329 28,383 $8.01M
99284 Emergency room visit (serious)Emergency department visit for the evaluation and management, high severity 14% 31,018 28,178 $7.04M
99285 Emergency room visit (most serious)Emergency department visit for the evaluation and management, high severity with immediate threat to life 10% 17,419 14,487 $5.19M
71275 Computed tomographic angiography, chest, with contrast material 3.7% 4,210 3,781 $1.86M
99282 Emergency department visit for the evaluation and management, low to moderate severity 2.7% 9,895 9,374 $1.39M
72125 Computed tomography, cervical spine; without contrast material 2.3% 4,289 3,925 $1.15M
70450 Computed tomography, head or brain; without contrast material 2.1% 9,672 8,691 $1.07M
11042 Debridement, subcutaneous tissue (includes epidermis, dermis, and subcutaneous tissue); first 20 sq cm 2.0% 8,831 4,331 $1.04M
88305 Level IV - Surgical pathology, gross and microscopic examination 1.9% 3,719 3,421 $981K
74176 Computed tomography, abdomen and pelvis; without contrast material 1.6% 1,781 1,653 $806K
C1713 Anchor/screw for opposing bone-to-bone or soft tissue-to-bone (implantable) 1.6% 424 388 $805K
315 more codes
97110 Therapeutic procedure, each 15 minutes; therapeutic exercises to develop strength and endurance, flexibility and range of motion 1.4% 14,867 $702K
95811 1.3% 1,574 $667K
72131 1.3% 2,706 $645K
99213 Doctor's office visit, returning patient (routine) 1.1% 3,977 $584K
G0378 Hospital observation service, per hour <1% 5,943 $495K
11043 <1% 2,491 $494K
93306 Echocardiography, transthoracic, real-time with image documentation, with and without Doppler, complete <1% 2,607 $485K
43239 Esophagogastroduodenoscopy, flexible, transoral; with biopsy, single or multiple <1% 1,367 $430K
96365 Intravenous infusion, for therapy, prophylaxis, or diagnosis; initial, up to 1 hour <1% 11,431 $416K
76856 Ultrasound, pelvic (nonobstetric), real time with image documentation; complete <1% 2,379 $409K
93971 <1% 1,993 $349K
59025 Fetal non-stress test <1% 2,939 $328K
45380 Colonoscopy, flexible; with biopsy, single or multiple <1% 863 $316K
99291 Critical care, evaluation and management of the critically ill patient, first 30-74 minutes <1% 489 $295K
72100 <1% 2,701 $289K
99281 Emergency department visit for the evaluation and management, self-limited or minor <1% 3,616 $269K
97530 Therapeutic activities, direct patient contact, each 15 minutes <1% 5,469 $256K
72148 Magnetic resonance imaging, lumbar spine; without contrast material <1% 1,713 $253K
70486 <1% 1,478 $247K
77067 Screening mammography, bilateral, including computer-aided detection <1% 3,786 $243K
71046 Radiologic examination, chest; 2 views <1% 9,940 $212K
87633 Infectious agent detection by nucleic acid, respiratory virus, 12-25 targets <1% 3,698 $204K
70553 Magnetic resonance imaging, brain; without contrast material, followed by contrast material and further sequences <1% 461 $203K
92507 Treatment of speech, language, voice, communication, and/or auditory processing disorder <1% 5,335 $182K
73721 Magnetic resonance imaging, any joint of lower extremity; without contrast material <1% 1,489 $169K
96413 Chemotherapy administration, intravenous infusion; up to 1 hour, single or initial substance <1% 1,939 $167K
96361 Intravenous infusion, hydration; each additional hour <1% 17,083 $162K
64483 <1% 171 $156K
71260 Computed tomography, thorax, diagnostic; with contrast material <1% 2,294 $148K
73030 <1% 3,330 $121K
76705 Ultrasound, abdominal, real time with image documentation; limited <1% 3,466 $118K
76700 Ultrasound, abdominal, real time with image documentation; complete <1% 1,364 $114K
77066 Tomosynthesis, mammo <1% 744 $89K
73562 <1% 3,197 $89K
70551 Magnetic resonance imaging, brain; without contrast material <1% 731 $84K
73610 <1% 2,582 $80K
99214 Doctor's office visit, returning patient (more involved) <1% 1,906 $79K
73110 <1% 2,266 $72K
97113 <1% 1,271 $68K
97140 Manual therapy techniques, each 15 minutes (e.g., mobilization/manipulation, manual lymphatic drainage) <1% 8,493 $67K
96360 Intravenous infusion, hydration; initial, 31 minutes to 1 hour <1% 4,951 $64K
99212 Office or other outpatient visit for the evaluation and management of an established patient, straightforward <1% 2,262 $59K
73630 <1% 2,697 $59K
73221 <1% 506 $57K
72141 <1% 472 $57K
70491 <1% 171 $56K
73130 <1% 2,505 $56K
70498 <1% 198 $55K
96366 Intravenous infusion, for therapy, prophylaxis, or diagnosis; each additional hour <1% 4,131 $49K
85025 Blood count; complete (CBC), automated, and automated differential WBC count <1% 53,205 $48K
76942 <1% 739 $47K
96375 Therapeutic injection; each additional sequential IV push <1% 27,671 $47K
97162 <1% 607 $44K
76642 <1% 1,529 $43K
94060 <1% 159 $43K
87635 Infectious agent detection by nucleic acid; SARS-CoV-2 (COVID-19), amplified probe <1% 5,642 $41K
78452 Myocardial perfusion imaging, tomographic (SPECT); multiple studies at rest and/or stress <1% 27 $38K
76536 <1% 631 $38K
73502 <1% 1,746 $37K
72072 <1% 1,038 $37K
93005 Electrocardiogram, routine ECG with at least 12 leads; tracing only, without interpretation and report <1% 12,199 $35K
72040 <1% 1,336 $35K
97161 <1% 2,129 $35K
99215 Doctor's office visit, returning patient (complex) <1% 572 $35K
96372 Therapeutic, prophylactic, or diagnostic injection; subcutaneous or intramuscular <1% 11,888 $33K
87637 Infectious agent detection by nucleic acid; SARS-CoV-2, influenza, and RSV <1% 3,222 $33K
71250 <1% 346 $32K
72110 <1% 222 $29K
74018 <1% 1,324 $27K
76830 Ultrasound, transvaginal <1% 1,316 $27K
74178 <1% 59 $27K
77080 <1% 365 $26K
96374 Therapeutic, prophylactic, or diagnostic injection; intravenous push, single or initial substance <1% 29,868 $25K
97597 <1% 725 $24K
J2704 Injection, propofol, 10 mg <1% 8,312 $21K
93970 <1% 121 $21K
76770 <1% 343 $21K
76818 <1% 135 $21K
J2469 Injection, palonosetron hcl, 25 mcg <1% 210 $20K
80053 Comprehensive metabolic panel <1% 54,530 $20K
87426 Infectious agent antigen detection, SARS-CoV-2 (COVID-19) <1% 4,568 $20K
74019 <1% 304 $19K
95810 Polysomnography; sleep staging with 4 or more additional parameters <1% 42 $19K
Q9967 Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml <1% 17,930 $18K
73140 <1% 642 $18K
73700 <1% 143 $17K
92523 <1% 73 $16K
99453 <1% 189 $16K
72128 <1% 1,717 $15K
97803 <1% 481 $15K
76801 <1% 1,201 $15K
73080 <1% 851 $14K
72114 <1% 99 $13K
99211 Office or other outpatient visit for the evaluation and management of an established patient, minimal severity <1% 425 $13K
97112 Therapeutic procedure, each 15 minutes; neuromuscular reeducation of movement, balance, coordination <1% 945 $13K
72074 <1% 68 $13K
71271 <1% 265 $12K
J0171 Injection, adrenalin, epinephrine, 0.1 mg <1% 525 $10K
87507 <1% 396 $10K
76815 Ultrasound, pregnant uterus, real time with image documentation, limited <1% 1,121 $10K
80329 <1% 4,238 $10K
64415 <1% 13 $10K
73564 <1% 196 $10K
73590 <1% 885 $10K
J0690 Injection, cefazolin sodium, 500 mg <1% 5,137 $9K
87071 <1% 2,630 $9K
71045 Radiologic examination, chest; single view <1% 16,138 $9K
J1170 Injection, hydromorphone, up to 4 mg <1% 4,709 $9K
64484 <1% 17 $8K
11045 <1% 44 $8K
96367 <1% 2,274 $7K
M0243 Intravenous infusion or subcutaneous injection, casirivimab and imdevimab includes infusion or injection, and post administration monitoring <1% 23 $7K
77065 Tomosynthesis, mammo <1% 74 $7K
45378 Colonoscopy, flexible; diagnostic, including collection of specimen(s) <1% 13 $6K
G0480 Drug test(s), definitive, utilizing (1) drug identification methods able to identify individual drugs and distinguish between structural isomers (but not necessarily stereoisomers), including, but not limited to gc/ms (any type, single or tandem) and lc/ms (any type, single or tandem and excluding immunoassays (e.g., ia, eia, elisa, emit, fpia) and enzymatic methods (e.g., alcohol dehydrogenase)), (2) stable isotope or other universally recognized internal standards in all samples (e.g., to control for matrix effects, interferences and variations in signal strength), and (3) method or drug-specific calibration and matrix-matched quality control material (e.g., to control for instrument variations and mass spectral drift); qualitative or quantitative, all sources, includes specimen validity testing, per day; 1-7 drug class(es), including metabolite(s) if performed <1% 1,426 $6K
73523 <1% 53 $6K
84443 Thyroid stimulating hormone (TSH) <1% 7,746 $6K
83880 <1% 2,516 $5K
87040 <1% 3,286 $5K
83036 Hemoglobin; glycosylated (A1C) <1% 1,507 $5K
93010 Electrocardiogram, routine ECG with at least 12 leads; interpretation and report only <1% 934 $5K
76805 Ultrasound, pregnant uterus, real time with image documentation, fetal and maternal evaluation <1% 105 $5K
J3480 Injection, potassium chloride, per 2 meq <1% 1,274 $5K
76870 <1% 125 $5K
96523 <1% 118 $4K
85027 <1% 7,894 $4K
J2001 Injection, lidocaine hcl for intravenous infusion, 10 mg <1% 5,540 $4K
J3360 Injection, diazepam, up to 5 mg <1% 766 $4K
97802 <1% 82 $4K
87086 Culture, bacterial; quantitative colony count, urine <1% 5,924 $4K
86923 <1% 35 $4K
73090 <1% 351 $4K
70496 <1% 130 $4K
73100 <1% 57 $4K
C1889 Implantable/insertable device, not otherwise classified <1% 62 $3K
J3475 Injection, magnesium sulfate, per 500 mg <1% 1,921 $3K
96376 <1% 7,906 $3K
J3490 Unclassified drugs <1% 19,374 $3K
80307 Drug test(s), presumptive, any number of drug classes; immunoassay <1% 11,439 $3K
87491 Infectious agent detection by nucleic acid; Chlamydia trachomatis, amplified probe <1% 520 $3K
85730 <1% 10,208 $3K
71101 <1% 88 $3K
86850 <1% 2,272 $2K
94640 Pressurized or nonpressurized inhalation treatment for acute airway obstruction <1% 2,041 $2K
12001 <1% 201 $2K
73560 <1% 196 $2K
84484 <1% 12,422 $2K
87502 Infectious agent detection by nucleic acid, influenza virus, for multiple types or subtypes, includes all targets <1% 3,481 $2K
12002 <1% 40 $2K
73120 <1% 75 $2K
73620 <1% 70 $2K
36591 <1% 39 $2K
87506 <1% 27 $2K
74022 <1% 310 $2K
99195 <1% 17 $2K
80048 Basic metabolic panel (calcium, ionized) <1% 5,762 $2K
85378 <1% 3,408 $1K
81025 <1% 10,603 $1K
87077 <1% 3,843 $1K
82803 <1% 859 $1K
84702 <1% 5,036 $1K
83690 <1% 18,351 $1K
87651 Infectious agent detection by nucleic acid; Streptococcus, group A, amplified probe <1% 2,346 $1K
81001 <1% 28,425 $1K
G0463 Hospital outpatient clinic visit for assessment and management of a patient <1% 268 $1K
83735 <1% 11,384 $1K
80061 Lipid panel <1% 1,245 $1K
80320 <1% 13,494 $1K
J1815 Injection, insulin, per 5 units <1% 316 $983.93
82140 <1% 625 $948.32
76819 Fetal biophysical profile; without non-stress testing <1% 37 $936.75
72052 <1% 12 $936.74
90715 <1% 1,569 $897.45
97116 <1% 118 $751.98
73600 <1% 44 $744.21
85652 <1% 2,856 $738.24
93017 <1% 40 $717.45
64447 <1% 95 $707.53
J7050 Infusion, normal saline solution, 250 cc <1% 4,604 $624.73
J8499 Prescription drug, oral, non chemotherapeutic, nos <1% 2,761 $603.91
29125 <1% 125 $581.27
A9575 Injection, gadoterate meglumine, 0.1 ml <1% 1,244 $565.89
87798 Infectious agent detection by nucleic acid; not otherwise specified, amplified probe, each organism <1% 3,755 $559.87
82962 <1% 10,602 $558.87
J7030 Infusion, normal saline solution , 1000 cc <1% 22,163 $551.95
87880 Infectious agent antigen detection by immunoassay; Streptococcus, group A <1% 3,197 $549.76
85610 <1% 15,368 $546.01
J1885 Injection, ketorolac tromethamine, per 15 mg <1% 16,983 $519.51
36415 Collection of venous blood by venipuncture <1% 17,403 $442.08
77085 <1% 12 $430.99
J2360 Injection, orphenadrine citrate, up to 60 mg <1% 2,706 $428.96
87581 <1% 3,748 $419.40
82550 <1% 2,413 $417.59
87486 <1% 3,748 $413.16
51702 <1% 269 $409.77
73552 <1% 12 $408.66
J2550 Injection, promethazine hcl, up to 50 mg <1% 2,396 $401.91
P9016 Red blood cells, leukocytes reduced, each unit <1% 38 $370.30
J2405 Injection, ondansetron hydrochloride, per 1 mg <1% 24,458 $363.25
82977 <1% 3,751 $337.69
90471 Immunization administration (includes percutaneous, intradermal, subcutaneous, or intramuscular injections), 1 vaccine <1% 1,753 $333.69
76857 <1% 14 $332.02
82150 <1% 1,455 $331.08
83605 <1% 7,135 $312.36
88304 <1% 643 $310.44
J2274 Injection, morphine sulfate, preservative-free for epidural or intrathecal use, 10 mg <1% 1,210 $281.20
94726 <1% 137 $255.94
36430 <1% 37 $252.37
J0696 Injection, ceftriaxone sodium, per 250 mg <1% 5,884 $243.20
82728 <1% 49 $233.03
93308 <1% 14 $230.67
82553 <1% 352 $220.25
86900 <1% 2,944 $209.53
J2270 Injection, morphine sulfate, up to 10 mg <1% 7,691 $206.35
87591 Infectious agent detection by nucleic acid; Neisseria gonorrhoeae, amplified probe <1% 521 $204.71
85014 <1% 343 $201.70
94729 <1% 127 $201.02
84439 <1% 1,808 $189.42
J7512 Prednisone, immediate release or delayed release, oral, 1 mg <1% 206 $178.80
87186 <1% 3,254 $169.53
84550 <1% 515 $152.99
86140 <1% 3,757 $150.35
82565 <1% 1,233 $150.00
87801 Infectious agent detection by nucleic acid; amplified probe, multiple organisms <1% 707 $146.66
87205 <1% 2,817 $140.32
86901 <1% 2,942 $133.71
J1644 Injection, heparin sodium, per 1000 units <1% 1,169 $130.36
J2930 Injection, methylprednisolone sodium succinate, up to 125 mg <1% 2,399 $111.73
J3010 Injection, fentanyl citrate, 0.1 mg <1% 9,834 $97.28
S0164 Injection, pantoprazole sodium, 40 mg <1% 1,552 $97.05
Q3014 Telehealth originating site facility fee <1% 964 $87.39
J0131 Injection, acetaminophen, not otherwise specified,10 mg <1% 997 $86.70
J7120 Ringers lactate infusion, up to 1000 cc <1% 5,647 $82.89
G0283 Electrical stimulation (unattended), to one or more areas for indication(s) other than wound care, as part of a therapy plan of care <1% 65 $77.72
Q9963 High osmolar contrast material, 350-399 mg/ml iodine concentration, per ml <1% 673 $74.96
J1100 Injection, dexamethasone sodium phosphate, 1 mg <1% 8,760 $66.13
J7040 Infusion, normal saline solution, sterile (500 ml = 1 unit) <1% 7,840 $64.69
87081 <1% 2,655 $61.88
J1200 Injection, diphenhydramine hcl, up to 50 mg <1% 4,623 $52.26
J2250 Injection, midazolam hydrochloride, per 1 mg <1% 4,854 $45.24
96368 <1% 559 $40.74
82010 <1% 544 $40.65
99001 <1% 725 $38.98
J3370 Injection, vancomycin hcl, 500 mg <1% 346 $32.68
J2060 Injection, lorazepam, 2 mg <1% 3,511 $32.25
J1642 Injection, heparin sodium, (heparin lock flush), per 10 units <1% 1,408 $31.10
97014 <1% 68 $30.68
86905 <1% 70 $26.00
J0780 Injection, prochlorperazine, up to 10 mg <1% 670 $15.04
J2765 Injection, metoclopramide hcl, up to 10 mg <1% 2,722 $13.86
J0330 Injection, succinylcholine chloride, up to 20 mg <1% 746 $11.58
84156 <1% 207 $11.24
J1630 Injection, haloperidol, up to 5 mg <1% 767 $11.10
J2919 Injection, methylprednisolone sodium succinate, 5 mg <1% 195 $10.01
97010 <1% 164 $9.55
J0134 Injection, acetaminophen (fresenius kabi), not therapeutically equivalent to j0131, 10 mg <1% 194 $8.45
84100 <1% 211 $7.63
C9113 Injection, pantoprazole sodium, per vial <1% 1,582 $6.97
82274 <1% 135 $4.76
97165 <1% 61 $4.42
82947 <1% 183 $3.99
82607 <1% 44 $3.91
Q0162 Ondansetron 1 mg, oral, fda approved prescription anti-emetic, for use as a complete therapeutic substitute for an iv anti-emetic at the time of chemotherapy treatment, not to exceed a 48 hour dosage regimen <1% 1,122 $3.83
85018 <1% 389 $3.78
J2543 Injection, piperacillin sodium/tazobactam sodium, 1 gram/0.125 grams (1.125 grams) <1% 423 $2.67
Q0177 Hydroxyzine pamoate, 25 mg, oral, fda approved prescription anti-emetic, for use as a complete therapeutic substitute for an iv anti-emetic at the time of chemotherapy treatment, not to exceed a 48 hour dosage regimen <1% 244 $2.58
J7620 Albuterol, up to 2.5 mg and ipratropium bromide, up to 0.5 mg, fda-approved final product, non-compounded, administered through dme 0% 204 $0.00
J2370 Injection, phenylephrine hcl, up to 1 ml 0% 378 $0.00
J7060 5% dextrose/water (500 ml = 1 unit) 0% 50 $0.00
J2795 Injection, ropivacaine hydrochloride, 1 mg 0% 798 $0.00
87073 0% 1,681 $0.00
J3411 Injection, thiamine hcl, 100 mg 0% 577 $0.00
J2371 Injection, phenylephrine hydrochloride, 20 micrograms 0% 80 $0.00
J2470 Injection, pantoprazole sodium, 40 mg 0% 158 $0.00
77063 Screening digital breast tomosynthesis, bilateral 0% 1,281 $0.00
51798 0% 19 $0.00
P9612 Catheterization for collection of specimen, single patient, all places of service 0% 696 $0.00
C1769 Guide wire 0% 206 $0.00
88342 0% 258 $0.00
J7613 Albuterol, inhalation solution, fda-approved final product, non-compounded, administered through dme, unit dose, 1 mg 0% 143 $0.00
J1790 Injection, droperidol, up to 5 mg 0% 13 $0.00
J0500 Injection, dicyclomine hcl, up to 20 mg 0% 97 $0.00
87807 0% 67 $0.00
82746 0% 13 $0.00
J3535 Drug administered through a metered dose inhaler 0% 16 $0.00
96415 0% 20 $0.00
83615 0% 73 $0.00
J7999 Compounded drug, not otherwise classified 0% 232 $0.00
83550 0% 14 $0.00
99292 0% 12 $0.00
76817 Ultrasound, pregnant uterus, real time with image documentation, transvaginal 0% 13 $0.00
A9500 Technetium tc-99m sestamibi, diagnostic, per study dose 0% 27 $0.00
C1781 Mesh (implantable) 0% 12 $0.00
64450 0% 14 $0.00
G0279 Diagnostic digital breast tomosynthesis, unilateral or bilateral (list separately in addition to 77065 or 77066) 0% 374 $0.00
81003 0% 610 $0.00
J0136 Injection, acetaminophen (b braun), not therapeutically equivalent to j0131, 10 mg 0% 67 $0.00
G8979 Mobility: walking & moving around functional limitation, projected goal status, at therapy episode outset, at reporting intervals, and at discharge or to end reporting 0% 247 $0.00
J1650 Injection, enoxaparin sodium, 10 mg 0% 632 $0.00
84112 0% 124 $0.00
J1171 Injection, hydromorphone, 0.1 mg 0% 98 $0.00
G8978 Mobility: walking & moving around functional limitation, current status, at therapy episode outset and at reporting intervals 0% 171 $0.00
Q0163 Diphenhydramine hydrochloride, 50 mg, oral, fda approved prescription anti-emetic, for use as a complete therapeutic substitute for an iv anti-emetic at time of chemotherapy treatment not to exceed a 48 hour dosage regimen 0% 115 $0.00
99152 0% 26 $0.00
83630 0% 31 $0.00
82570 0% 82 $0.00
87210 0% 38 $0.00
83540 0% 29 $0.00
J0665 Injection, bupivicaine, not otherwise specified, 0.5 mg 0% 30 $0.00
G0390 Trauma response team associated with hospital critical care service 0% 13 $0.00
76000 0% 17 $0.00
96417 0% 91 $0.00
80076 0% 14 $0.00
88302 0% 19 $0.00
S0077 Injection, clindamycin phosphate, 300 mg 0% 23 $0.00

Claims and beneficiary counts add up across code × month rows, so one patient seen every month counts many times. Rows with fewer than 12 claims are suppressed by HHS, so small lines can be missing.

From NPPES

Who's on the registration

Authorized officialROTHENBERGER, DAVID (CFO)
Parent organizationSUMMIT HEALTHCARE ASSOCIATION
Same official

Other billing entities under ROTHENBERGER, DAVID

Full network →
ProviderLocationPaid
Summit Healthcare Medical AssociatesSnowflake, AZ$1.63M
Summit Healthcare Medical AssociatesSnowflake, AZ$1.21M
Summit Healthcare Medical AssociatesSaint Johns, AZ$542K
Summit Healthcare AssociationShow Low, AZ$77K

Matched on the authorized-official name exactly as entered in NPPES. A common name can match unrelated people.