Dallin S. Walker, DO
Family Medicine Physician · San Antonio, TX
Dallin S. Walker, DO is a family medicine physician with a practice address in San Antonio, Texas, and NPI 1588124366, issued on Mar 20, 2019. Check the license (Texas T9816, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Dallin S. Walker
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- T9816 TX
Self-reported in NPPES; status is on the state search - Practice location
- 8401 Datapoint Dr Ste 401-A, San Antonio, TX 78229
- Phone
- (210) 949-2225
- Enumerated
- Mar 20, 2019
- Record last updated
- Jun 2, 2026
- Medicare enrollment
- Enrolled (PECOS I20230126002374); accepts Medicare assignment
- Medical or professional school
- Nova Southeastern College Of Osteo Medicine, 2018
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 11,119 in Texas → Look up another NPI →
Verify Dallin S. Walker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license T9816Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
65% fewer Medicare Part D claims than the average family medicine physician in 2024
1,255 Medicare Part D claims for 577 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 18 claims were for opioids.
Most prescribed
- Amoxicillin-Clavulanate Potass123 claims
- Prednisone118 claims
- Methylprednisolone90 claims
- Azithromycin73 claims
- Tizanidine Hcl50 claims
- Meloxicam49 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 93.2 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,091.38
60 payments; by number, the most common kind was food and beverage; the largest payer was Lilly USA, LLC. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Christus Trinity ClinicSan Antonio, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Dallin S. Walker among 11,119 family medicine physician records in Texas
Dallin S. Walker, DO is one of 11,119 family medicine physician records with a practice address in Texas. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 85% of them.
- NPI issued2019 · 85% of these records are older, 12% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2018 · median 2004 among the 7,095 with a school on file
- Record last updated2026 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
809 family medicine physician records list a practice address in San Antonio
They are 809 of the 37,749 NPPES records with a practice address in San Antonio, and 11,119 family medicine physician records in Texas.
All 11,119 in Texas → Every provider in San Antonio → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Christopher Arnold, MDSan Antonio, TX 782291255338950
- Timothy Barker, MDSan Antonio, TX 782291336126119
- Paris Brinkley, MDSan Antonio, TX 782291700867801
- Pamela Camosy, MDSan Antonio, TX 782291992702674
- Patricia Chung, M.D.San Antonio, TX 782291073503959
- Robin Eickhoff, MDSan Antonio, TX 782291962474320
- Nora Garza, MDSan Antonio, TX 782291972500684
- Carlos Jaen, M.D.San Antonio, TX 782291285625772
Common questions
What is Dallin S. Walker, DO's NPI number?
Dallin S. Walker, DO's National Provider Identifier (NPI) is 1588124366, issued on Mar 20, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Dallin S. Walker, DO located?
The NPPES record lists a practice address at 8401 Datapoint Dr Ste 401-A, San Antonio, TX, 78229. Phone: (210) 949-2225. Providers update this record themselves, so call before visiting.
How can I verify Dallin S. Walker, DO's license?
NPPES lists Texas license number T9816, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Dallin S. Walker, DO prescribe under Medicare Part D?
In 2024, Dallin S. Walker, DO had 1,255 Medicare Part D claims for 577 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Dallin S. Walker, DO's MIPS final score?
The 2023 MIPS final score is 93.2 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.