Physician
David Gregory Walker, M.D., P.A.
David Gregory Walker, M.D., P.A. was paid $189K by Medicaid between Jan 2020 and Dec 2024, across 15 billing codes. Its largest line is 99213, doctor's office visit, returning patient (routine) — 52% of everything it billed.
33Billing provider infoDAVID GREGORY WALKER, M.D., P.A.
HOUSTON, TX 77036
HOUSTON, TX 77036
33aNPI1225239544assigned 05/31/2007
33bProvider typeFamily Medicine Physician
28Total paid$189K
24GClaims6,794
24DCodes billed15
24AFirst – last monthJan 2020 – Dec 2024
Compared with peers
Next to other Family Medicine Physician providers in Texas
Rank by total paid#307 of 1,204
Median peer was paid$31K
This provider vs. median6.1×
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 | |
|---|---|---|---|
| 2020 | 823 | $20K | |
| 2021 | 1,151 | $40K | |
| 2022 | 2,274 | $58K | |
| 2023 | 1,702 | $46K | |
| 2024incomplete | 844 | $25K |
Box 24 · Service lines
What it billed for
| Code | Service | Share | Claims | Bene. records | Paid |
|---|---|---|---|---|---|
| 99213 | Doctor's office visit, returning patient (routine)Office or other outpatient visit for the evaluation and management of an established patient, low complexity | 52% | 2,636 | 2,294 | $97K |
| 99214 | Doctor's office visit, returning patient (more involved)Office or other outpatient visit for the evaluation and management of an established patient, moderate complexity | 14% | 568 | 493 | $27K |
| 99394 | Periodic comprehensive preventive medicine reevaluation, established patient, adolescent (12-17 years) | 11% | 210 | 203 | $20K |
| 87804 | Infectious agent antigen detection by immunoassay; Influenza, each type | 6.4% | 891 | 415 | $12K |
| 87880 | Infectious agent antigen detection by immunoassay; Streptococcus, group A | 5.4% | 729 | 678 | $10K |
| 86318 | 5.1% | 577 | 514 | $10K | |
| 90460 | Immunization administration through 18 years of age via any route, first or only component | 3.9% | 685 | 338 | $7K |
| 99393 | Periodic comprehensive preventive medicine reevaluation, established patient, late childhood (5-11 years) | 1.4% | 30 | 30 | $3K |
| 99215 | Doctor's office visit, returning patient (complex)Prolong outpt/office vis | <1% | 16 | 12 | $839.22 |
| 81002 | <1% | 308 | 285 | $831.43 | |
| 90756 | <1% | 71 | 67 | $656.48 | |
| 99212 | Office or other outpatient visit for the evaluation and management of an established patient, straightforward | <1% | 13 | 13 | $383.77 |
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 officialWALKER, DAVID (OWNER)
| Provider | Location | Paid |
|---|---|---|
| Franklin County Board of County Commissioners | Apalachicola, FL | $796K |
| Center for Child and Family Therapy PC INC | Bremerton, WA | $660K |
| Dermatology Center, INC. | Fall River, MA | $272K |
| Walker Ventures, LLC | Oktaha, OK | $195K |
| Visions and Pathways | Bridgewater, NJ | $112K |
| Franklin County Board of County Commissioners | Carrabelle, FL | $18K |
| Franklin County Board of County Commissioners | Apalachicola, FL | $9K |
Matched on the authorized-official name exactly as entered in NPPES. A common name can match unrelated people.