Souleymane Yaya Diallo, D.O.
Gastroenterology Physician · San Antonio, TX
Souleymane Yaya Diallo, D.O. is a gastroenterology physician with a practice address in San Antonio, Texas, and NPI 1831534072, issued on May 1, 2013. Check the license (Texas Q8463, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Souleymane Yaya Diallo
- Credential
- D.O.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- Q8463 TX
Self-reported in NPPES; status is on the state search - Practice location
- 4502 Medical Dr, San Antonio, TX 78229
- Phone
- (210) 358-4000
- Enumerated
- May 1, 2013
- Record last updated
- Feb 15, 2022
- Fax
- (210) 567-1976
- Medicaid ID
- 386653501 TX
- Medicare enrollment
- Enrolled (PECOS I20180620002654); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 1,478 in Texas → Look up another NPI →
Also registered at 4502 Medical Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Souleymane Yaya Diallo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license Q8463Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
58% more Medicare Part D claims than the average gastroenterology physician in 2024
1,284 Medicare Part D claims for 301 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.
Most prescribed
- Omeprazole227 claims
- Linzess111 claims
- Pantoprazole Sodium109 claims
- Famotidine107 claims
- Dicyclomine Hcl73 claims
- Colestipol Hcl64 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.
Industry payments in 2024: $176.63
3 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Biotech, Inc. The 13,350 providers of this specialty with any payment received $5,015.95 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
- University OF Texas Health Science Center AT San AntonioSan Antonio, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Souleymane Yaya Diallo among 1,478 gastroenterology physician records in Texas
Souleymane Yaya Diallo, D.O. is one of 1,478 gastroenterology physician records with a practice address in Texas. 89% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 77% of them.
- NPI issued2013 · 77% of these records are older, 20% newer
- In a Medicare fileYes · 89% of these records are
- In the CMS Doctors and Clinicians fileYes · 79% of these records are
- Graduated2013 · median 2003 among the 1,175 with a school on file
- Record last updated2022 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Texas
There are 1,478 gastroenterology physician records in Texas.
All 1,478 in Texas → Every provider in San Antonio → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Prabhleen Chahal, M.D.San Antonio, TX 782291841265527
- Delbert Chumley, M.D.San Antonio, TX 782291740272962
- Sunil Dwivedi, M.D.San Antonio, TX 782291003854076
- Homero Garza, M.D.San Antonio, TX 782291609831353
- Fred Goldner, MDSan Antonio, TX 782291932193695
- Gary Gossen, M.D.San Antonio, TX 782291124091079
- Leon Kundrotas, MDSan Antonio, TX 782291447287743
- Gabriel Magraner, MDSan Antonio, TX 782291346279452
Common questions
What is Souleymane Yaya Diallo, D.O.'s NPI number?
Souleymane Yaya Diallo, D.O.'s National Provider Identifier (NPI) is 1831534072, issued on May 1, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Souleymane Yaya Diallo, D.O. located?
The NPPES record lists a practice address at 4502 Medical Dr, San Antonio, TX, 78229. Phone: (210) 358-4000. Providers update this record themselves, so call before visiting.
How can I verify Souleymane Yaya Diallo, D.O.'s license?
NPPES lists Texas license number Q8463, 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 Souleymane Yaya Diallo, D.O. prescribe under Medicare Part D?
In 2024, Souleymane Yaya Diallo, D.O. had 1,284 Medicare Part D claims for 301 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
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.