Clinic
County of Los Angeles
County of Los Angeles was paid $445K by Medicaid between Mar 2018 and Nov 2024, across 140 billing codes. Its largest line is 99205, Prolong outpt/office vis — 60% of everything it billed.
33Billing provider infoCOUNTY OF LOS ANGELES
LANCASTER, CA 93535
LANCASTER, CA 93535
33aNPI1306056858assigned 05/23/2007
33bProvider typeClinic/Center
28Total paid$445K
24GClaims111,075
24DCodes billed140
24AFirst – last monthMar 2018 – Nov 2024
Compared with peers
Next to other Clinic/Center providers in California
Rank by total paid#168 of 504
Median peer was paid$102K
This provider vs. median4.4×
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.
Auditor's notes
Automated statistical signals. Not evidence of fraud — how these are computed.
Entity ProliferationAuthorized official O'BRIEN, QUENTIN controls 20+ related entities in our dataset. Read more
Box 24A · Dates of service
Paid by month
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
| Year | Claims | Paid | |
|---|---|---|---|
| 2018 | 4,732 | $0.00 | |
| 2019 | 10,898 | $71K | |
| 2020 | 12,590 | $66K | |
| 2021 | 17,465 | $70K | |
| 2022 | 17,675 | $67K | |
| 2023 | 22,951 | $107K | |
| 2024incomplete | 24,764 | $64K |
Box 24 · Service lines
What it billed for
| Code | Service | Share | Claims | Bene. records | Paid |
|---|---|---|---|---|---|
| 99205 | Prolong outpt/office vis | 60% | 1,534 | 1,487 | $269K |
| G9008 | Coordinated care fee, physician coordinated care oversight services | 21% | 4,749 | 3,172 | $92K |
| 99215 | Doctor's office visit, returning patient (complex)Prolong outpt/office vis | 14% | 1,090 | 1,056 | $64K |
| G9012 | Other specified case management service not elsewhere classified | 1.2% | 211 | 154 | $5K |
| 99231 | Subsequent hospital care, per day, straightforward or low complexity | <1% | 355 | 323 | $1K |
| U0003 | Infectious agent detection by nucleic acid (dna or rna); severe acute respiratory syndrome coronavirus 2 (sars-cov-2) (coronavirus disease [covid-19]), amplified probe technique, making use of high throughput technologies as described by cms-2020-01-r | <1% | 376 | 366 | $1K |
| 99203 | Doctor's office visit, new patient (routine)Office or other outpatient visit for the evaluation and management of a new patient, low complexity | <1% | 2,041 | 1,961 | $1K |
| 83036 | Hemoglobin; glycosylated (A1C) | <1% | 6,088 | 6,009 | $745.47 |
| 82306 | Vitamin D; 25 hydroxy, includes fraction(s), if performed | <1% | 2,248 | 2,206 | $744.83 |
| 80053 | Comprehensive metabolic panel | <1% | 5,546 | 5,230 | $732.67 |
| 87491 | Infectious agent detection by nucleic acid; Chlamydia trachomatis, amplified probe | <1% | 419 | 409 | $693.90 |
| 87591 | Infectious agent detection by nucleic acid; Neisseria gonorrhoeae, amplified probe | <1% | 418 | 408 | $691.37 |
128 more codes
| 0760 | <1% | 110 | $679.16 | |
| 87522 | Neg quan hep c or qual rna | <1% | 694 | $664.07 |
| 0510 | <1% | 31 | $647.08 | |
| 80061 | Lipid panel | <1% | 5,415 | $558.57 |
| 85025 | Blood count; complete (CBC), automated, and automated differential WBC count | <1% | 4,763 | $500.79 |
| 86780 | <1% | 1,105 | $457.31 | |
| 77067 | Screening mammography, bilateral, including computer-aided detection | <1% | 293 | $443.06 |
| 86480 | <1% | 314 | $376.27 | |
| 85027 | <1% | 2,293 | $361.58 | |
| 86703 | <1% | 1,456 | $338.05 | |
| 87340 | <1% | 290 | $208.40 | |
| 87086 | Culture, bacterial; quantitative colony count, urine | <1% | 849 | $206.28 |
| 84443 | Thyroid stimulating hormone (TSH) | <1% | 1,170 | $190.38 |
| 0516 | <1% | 14 | $185.85 | |
| 80076 | <1% | 1,444 | $139.88 | |
| U0005 | Infectious agent detection by nucleic acid (dna or rna); severe acute respiratory syndrome coronavirus 2 (sars-cov-2) (coronavirus disease [covid-19]), amplified probe technique, cdc or non-cdc, making use of high throughput technologies, completed within 2 calendar days from date of specimen collection (list separately in addition to either hcpcs code u0003 or u0004) as described by cms-2020-01-r2 | <1% | 422 | $116.25 |
| 99392 | Periodic comprehensive preventive medicine reevaluation, established patient, early childhood (1-4 years) | <1% | 496 | $111.06 |
| 84439 | <1% | 497 | $103.18 | |
| 82728 | <1% | 440 | $83.65 | |
| 88187 | <1% | 48 | $65.26 | |
| 83735 | <1% | 548 | $64.96 | |
| 99394 | Periodic comprehensive preventive medicine reevaluation, established patient, adolescent (12-17 years) | <1% | 84 | $54.28 |
| 82607 | <1% | 201 | $52.93 | |
| 81001 | <1% | 1,000 | $51.02 | |
| 99213 | Doctor's office visit, returning patient (routine) | <1% | 7,931 | $49.68 |
| 83550 | <1% | 380 | $47.74 | |
| 81025 | <1% | 419 | $45.67 | |
| 82043 | <1% | 865 | $45.37 | |
| 83540 | <1% | 561 | $45.28 | |
| 99214 | Doctor's office visit, returning patient (more involved) | <1% | 2,125 | $40.91 |
| 85610 | <1% | 591 | $38.30 | |
| 82540 | <1% | 865 | $36.80 | |
| 99391 | Periodic comprehensive preventive medicine reevaluation, established patient, infant (under 1 year) | <1% | 111 | $34.34 |
| 97110 | Therapeutic procedure, each 15 minutes; therapeutic exercises to develop strength and endurance, flexibility and range of motion | <1% | 825 | $32.66 |
| 82274 | <1% | 993 | $28.28 | |
| 99443 | <1% | 1,609 | $27.70 | |
| 81003 | <1% | 498 | $24.40 | |
| 99201 | <1% | 71 | $23.77 | |
| 86141 | <1% | 85 | $22.03 | |
| 96372 | Therapeutic, prophylactic, or diagnostic injection; subcutaneous or intramuscular | <1% | 12 | $18.75 |
| 90471 | Immunization administration (includes percutaneous, intradermal, subcutaneous, or intramuscular injections), 1 vaccine | <1% | 1,899 | $17.68 |
| 84153 | <1% | 39 | $16.35 | |
| 82746 | <1% | 13 | $12.94 | |
| 86850 | <1% | 64 | $10.31 | |
| 86901 | <1% | 66 | $9.78 | |
| 86900 | <1% | 66 | $9.46 | |
| 86706 | <1% | 57 | $9.41 | |
| 81000 | <1% | 449 | $9.12 | |
| 90670 | <1% | 33 | $9.00 | |
| 85652 | <1% | 194 | $7.14 | |
| 85014 | <1% | 154 | $6.29 | |
| 85018 | <1% | 154 | $6.17 | |
| 86592 | <1% | 365 | $3.80 | |
| 87205 | <1% | 40 | $3.43 | |
| 85008 | <1% | 349 | $1.53 | |
| 36415 | Collection of venous blood by venipuncture | 0% | 13,909 | $0.00 |
| 3075F | 0% | 246 | $0.00 | |
| 80048 | Basic metabolic panel (calcium, ionized) | 0% | 1,715 | $0.00 |
| 3079F | 0% | 344 | $0.00 | |
| 1220F | 0% | 933 | $0.00 | |
| 70300 | 0% | 454 | $0.00 | |
| 99441 | 0% | 995 | $0.00 | |
| 1111F | 0% | 647 | $0.00 | |
| 4450F | 0% | 198 | $0.00 | |
| 99202 | Office or other outpatient visit for the evaluation and management of a new patient, straightforward | 0% | 284 | $0.00 |
| 87088 | 0% | 238 | $0.00 | |
| 90686 | 0% | 309 | $0.00 | |
| 3044F | 0% | 666 | $0.00 | |
| 96161 | 0% | 88 | $0.00 | |
| 3074F | 0% | 1,525 | $0.00 | |
| 85730 | 0% | 24 | $0.00 | |
| 88305 | Level IV - Surgical pathology, gross and microscopic examination | 0% | 17 | $0.00 |
| 92551 | 0% | 78 | $0.00 | |
| 92227 | 0% | 93 | $0.00 | |
| 3080F | 0% | 141 | $0.00 | |
| 87081 | 0% | 39 | $0.00 | |
| 84703 | 0% | 15 | $0.00 | |
| 97140 | Manual therapy techniques, each 15 minutes (e.g., mobilization/manipulation, manual lymphatic drainage) | 0% | 26 | $0.00 |
| 86762 | 0% | 13 | $0.00 | |
| 87624 | Infectious agent detection by nucleic acid; human papillomavirus (HPV), high-risk types | 0% | 28 | $0.00 |
| 90651 | 0% | 34 | $0.00 | |
| 90656 | 0% | 81 | $0.00 | |
| 92250 | 0% | 17 | $0.00 | |
| 99243 | 0% | 22 | $0.00 | |
| 73564 | 0% | 12 | $0.00 | |
| 97165 | 0% | 15 | $0.00 | |
| 0241U | Neonatal screening for hereditary disorders, genomic sequence analysis panel | 0% | 14 | $0.00 |
| 97162 | 0% | 48 | $0.00 | |
| 90732 | 0% | 12 | $0.00 | |
| 3078F | 0% | 1,503 | $0.00 | |
| 99212 | Office or other outpatient visit for the evaluation and management of an established patient, straightforward | 0% | 1,932 | $0.00 |
| 90461 | 0% | 38 | $0.00 | |
| 71046 | Radiologic examination, chest; 2 views | 0% | 76 | $0.00 |
| 90472 | Immunization administration, each additional vaccine (list separately) | 0% | 592 | $0.00 |
| 99442 | 0% | 3,714 | $0.00 | |
| 99211 | Office or other outpatient visit for the evaluation and management of an established patient, minimal severity | 0% | 6,967 | $0.00 |
| 11721 | 0% | 16 | $0.00 | |
| 88175 | Cytopathology, cervical or vaginal, any reporting system; collected in preservative fluid, automated thin layer | 0% | 70 | $0.00 |
| 90460 | Immunization administration through 18 years of age via any route, first or only component | 0% | 163 | $0.00 |
| 3077F | 0% | 242 | $0.00 | |
| 99204 | Doctor's office visit, new patient (more involved) | 0% | 415 | $0.00 |
| 98966 | 0% | 48 | $0.00 | |
| 99393 | Periodic comprehensive preventive medicine reevaluation, established patient, late childhood (5-11 years) | 0% | 210 | $0.00 |
| 98960 | 0% | 115 | $0.00 | |
| 87338 | 0% | 14 | $0.00 | |
| 70310 | 0% | 17 | $0.00 | |
| 91300 | 0% | 52 | $0.00 | |
| G9920 | Screening performed and negative | 0% | 143 | $0.00 |
| 87210 | 0% | 37 | $0.00 | |
| 99242 | 0% | 17 | $0.00 | |
| 3051F | 0% | 41 | $0.00 | |
| 90633 | 0% | 40 | $0.00 | |
| 99173 | 0% | 46 | $0.00 | |
| 90715 | 0% | 57 | $0.00 | |
| 90750 | 0% | 53 | $0.00 | |
| 81220 | CFTR (cystic fibrosis transmembrane conductance regulator) gene analysis; common variants | 0% | 13 | $0.00 |
| 99245 | 0% | 19 | $0.00 | |
| 92014 | Ophthalmological services: medical examination and evaluation, comprehensive, established patient | 0% | 27 | $0.00 |
| 87880 | Infectious agent antigen detection by immunoassay; Streptococcus, group A | 0% | 23 | $0.00 |
| 90700 | 0% | 12 | $0.00 | |
| 90648 | 0% | 27 | $0.00 | |
| 93005 | Electrocardiogram, routine ECG with at least 12 leads; tracing only, without interpretation and report | 0% | 18 | $0.00 |
| 92134 | 0% | 34 | $0.00 | |
| 90710 | 0% | 12 | $0.00 | |
| 99382 | 0% | 13 | $0.00 | |
| 86765 | 0% | 15 | $0.00 | |
| 97161 | 0% | 13 | $0.00 | |
| 92133 | 0% | 16 | $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 officialO'BRIEN, QUENTIN (AMBULATORY NETWORK, CEO)
Parent organizationCOUNTY OF LOS ANGELES
| Provider | Location | Paid |
|---|---|---|
| County of Los Angeles | El Monte, CA | $3.55M |
| County of Los Angeles | Los Angeles, CA | $428K |
| County of Los Angeles | San Fernando, CA | $408K |
| County of Los Angeles | Los Angeles, CA | $346K |
| County of Los Angeles | Los Angeles, CA | $323K |
| County of Los Angeles | Los Angeles, CA | $284K |
| County of Los Angeles | El Monte, CA | $259K |
| County of Los Angeles | Los Angeles, CA | $249K |
| County of Los Angeles | Van Nuys, CA | $144K |
| County of Los Angeles | Long Beach, CA | $78K |
| County of Los Angeles | La Puente, CA | $77K |
| County of Los Angeles | Palmdale, CA | $65K |
| County of Los Angeles | Lancaster, CA | $57K |
| County of Los Angeles | Chatsworth, CA | $47K |
| County of Los Angeles | Torrance, CA | $42K |
| County of Los Angeles | Inglewood, CA | $40K |
| County of Los Angeles | Bellflower, CA | $33K |
| County of Los Angeles | Glendale, CA | $24K |
| County of Los Angeles | Wilmington, CA | $19K |
| County of Los Angeles | Los Angeles, CA | $15K |
Matched on the authorized-official name exactly as entered in NPPES. A common name can match unrelated people.