Physician
Timothy S. Johnston, M.D. PC
Timothy S. Johnston, M.D. PC was paid $5.40M by Medicaid between Jan 2018 and Dec 2024, across 90 billing codes. Its largest line is 59425, — 19% of everything it billed.
33Billing provider infoTIMOTHY S. JOHNSTON, M.D. PC
MERCED, CA 95340
MERCED, CA 95340
33aNPI1407306665assigned 10/11/2016
33bProvider typeFamily Medicine Physician
28Total paid$5.40M
24GClaims104,943
24DCodes billed90
24AFirst – last monthJan 2018 – Dec 2024
Compared with peers
Next to other Family Medicine Physician providers in California
Rank by total paid#67 of 2,511
Median peer was paid$13K
This provider vs. median421×
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
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 | 9,372 | $407K | |
| 2019 | 11,649 | $609K | |
| 2020 | 13,717 | $690K | |
| 2021 | 18,529 | $918K | |
| 2022 | 22,963 | $1.06M | |
| 2023 | 19,381 | $983K | |
| 2024incomplete | 9,332 | $737K |
Box 24 · Service lines
What it billed for
| Code | Service | Share | Claims | Bene. records | Paid |
|---|---|---|---|---|---|
| 59425 | 19% | 10,795 | 6,542 | $1.03M | |
| 59409 | Vaginal delivery only (with or without episiotomy and/or forceps) | 15% | 1,032 | 1,027 | $785K |
| 76811 | Ultrasound, pregnant uterus, real time with image documentation, fetal and maternal evaluation, detailed | 11% | 3,429 | 3,346 | $590K |
| 99391 | Periodic comprehensive preventive medicine reevaluation, established patient, infant (under 1 year) | 7.0% | 5,069 | 4,918 | $381K |
| 96110 | Developmental screening, with scoring and documentation, per standardized instrument | 6.0% | 4,072 | 3,866 | $323K |
| 99213 | Doctor's office visit, returning patient (routine)Office or other outpatient visit for the evaluation and management of an established patient, low complexity | 4.9% | 18,326 | 16,447 | $267K |
| 99309 | Subsequent nursing facility care, per day, low to moderate complexity | 4.1% | 6,682 | 6,161 | $222K |
| 99215 | Doctor's office visit, returning patient (complex)Prolong outpt/office vis | 3.5% | 1,230 | 1,219 | $191K |
| 99392 | Periodic comprehensive preventive medicine reevaluation, established patient, early childhood (1-4 years) | 3.3% | 2,513 | 2,470 | $176K |
| 99460 | 2.9% | 2,107 | 2,073 | $155K | |
| 59514 | 2.6% | 546 | 537 | $142K | |
| 99462 | 2.2% | 3,116 | 1,954 | $119K |
78 more codes
| 99214 | Doctor's office visit, returning patient (more involved) | 2.0% | 6,242 | $108K |
| 76805 | Ultrasound, pregnant uterus, real time with image documentation, fetal and maternal evaluation | 1.4% | 569 | $74K |
| 59430 | 1.2% | 689 | $64K | |
| 90670 | <1% | 3,571 | $53K | |
| 76801 | <1% | 497 | $49K | |
| 99464 | <1% | 514 | $46K | |
| 90698 | <1% | 3,019 | $43K | |
| 99308 | Subsequent nursing facility care, per day, straightforward | <1% | 2,712 | $43K |
| 99221 | <1% | 688 | $33K | |
| 90680 | <1% | 2,354 | $33K | |
| 90744 | <1% | 2,151 | $30K | |
| 99222 | Initial hospital care, per day, moderate complexity | <1% | 294 | $30K |
| G9920 | Screening performed and negative | <1% | 671 | $29K |
| 90715 | <1% | 725 | $27K | |
| Z1034 | <1% | 486 | $27K | |
| G0442 | Annual alcohol misuse screening, 5 to 15 minutes | <1% | 1,125 | $26K |
| 90686 | <1% | 1,277 | $23K | |
| 99223 | Prolong inpt eval add15 m | <1% | 191 | $21K |
| 99305 | <1% | 674 | $21K | |
| 92552 | <1% | 848 | $20K | |
| 59025 | Fetal non-stress test | <1% | 838 | $19K |
| 99212 | Office or other outpatient visit for the evaluation and management of an established patient, straightforward | <1% | 1,161 | $18K |
| 90633 | <1% | 1,073 | $17K | |
| G8510 | Screening for depression is documented as negative, a follow-up plan is not required | <1% | 994 | $16K |
| 99315 | <1% | 604 | $15K | |
| 90707 | <1% | 766 | $13K | |
| 90716 | <1% | 756 | $12K | |
| G0447 | Face-to-face behavioral counseling for obesity, 15 minutes | <1% | 409 | $11K |
| 99188 | <1% | 436 | $10K | |
| 99393 | Periodic comprehensive preventive medicine reevaluation, established patient, late childhood (5-11 years) | <1% | 96 | $8K |
| H1001 | Prenatal care, at-risk enhanced service; antepartum management | <1% | 129 | $7K |
| 85018 | <1% | 2,889 | $6K | |
| G8431 | Screening for depression is documented as being positive and a follow-up plan is documented | <1% | 129 | $6K |
| 99350 | Prolong home eval add 15m | <1% | 99 | $5K |
| 90700 | <1% | 265 | $4K | |
| 99238 | Hospital discharge day management, 30 minutes or less | <1% | 84 | $4K |
| 99232 | Hospital visit by a doctor, follow-up day | <1% | 74 | $4K |
| 99381 | <1% | 41 | $4K | |
| 99173 | <1% | 490 | $3K | |
| 90648 | <1% | 201 | $3K | |
| 99306 | Prolong nursin fac eval 15m | <1% | 63 | $3K |
| 99395 | Periodic comprehensive preventive medicine reevaluation, established patient, 18-39 years | <1% | 102 | $3K |
| 99211 | Office or other outpatient visit for the evaluation and management of an established patient, minimal severity | <1% | 698 | $2K |
| 99204 | Doctor's office visit, new patient (more involved) | <1% | 13 | $2K |
| 96372 | Therapeutic, prophylactic, or diagnostic injection; subcutaneous or intramuscular | <1% | 126 | $2K |
| 90658 | <1% | 105 | $2K | |
| 99304 | <1% | 34 | $2K | |
| 90697 | <1% | 94 | $2K | |
| 90671 | <1% | 145 | $2K | |
| 99406 | <1% | 101 | $2K | |
| 99203 | Doctor's office visit, new patient (routine) | <1% | 42 | $1K |
| 87811 | Infectious agent antigen detection by immunoassay; SARS-CoV-2 (COVID-19) | <1% | 33 | $1K |
| 83036 | Hemoglobin; glycosylated (A1C) | <1% | 183 | $1K |
| 99354 | <1% | 14 | $1K | |
| 81002 | <1% | 660 | $1K | |
| 0012A | <1% | 26 | $1K | |
| 0011A | <1% | 25 | $953.88 | |
| 0001A | <1% | 28 | $843.28 | |
| 90656 | <1% | 29 | $750.68 | |
| 99310 | Prolong nursin fac eval 15m | <1% | 14 | $743.60 |
| G9919 | Screening performed and positive and provision of recommendations | <1% | 15 | $652.50 |
| 90696 | <1% | 42 | $585.00 | |
| 81025 | <1% | 157 | $445.52 | |
| 96127 | <1% | 36 | $247.40 | |
| 99334 | <1% | 27 | $234.00 | |
| J3420 | Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg | <1% | 54 | $169.62 |
| 99072 | <1% | 13 | $96.25 | |
| 82962 | <1% | 13 | $16.00 | |
| 1036F | 0% | 1,420 | $0.00 | |
| 3074F | 0% | 167 | $0.00 | |
| 0500F | 0% | 28 | $0.00 | |
| 3044F | 0% | 12 | $0.00 | |
| 3079F | 0% | 14 | $0.00 | |
| 0503F | 0% | 13 | $0.00 | |
| 3078F | 0% | 130 | $0.00 | |
| 99396 | Periodic comprehensive preventive medicine reevaluation, established patient, 40-64 years | 0% | 13 | $0.00 |
| 0502F | 0% | 493 | $0.00 | |
| 4004F | 0% | 13 | $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 officialJOHNSTON, TIMOTHY (OWNER/OPERATOR)
| Provider | Location | Paid |
|---|---|---|
| Merced Faculty Associates Medical Group Incorporated | Hilmar, CA | $446K |
| Timothy Lynn Johnston DO PA | Cullowhee, NC | $171K |
| Timothy S. Johnston, M.D. PC | Merced, CA | $7K |
Matched on the authorized-official name exactly as entered in NPPES. A common name can match unrelated people.