Richard T. Shaffer, M.D.
Gastroenterology Physician · San Antonio, TX
Richard T. Shaffer, M.D. is a gastroenterology physician with a practice address in San Antonio, Texas, and NPI 1134158736, issued on Jul 3, 2006. Check the license (Texas J3215, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Richard T. Shaffer
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- J3215 TX
Self-reported in NPPES; status is on the state search - Practice location
- 855 Proton RD, San Antonio, TX 78258
- Phone
- (210) 614-1234
- Enumerated
- Jul 3, 2006
- Record last updated
- Mar 17, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (210) 614-0952
- Medicaid ID
- 176581001 TX
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 1,478 in Texas → Look up another NPI →
Also registered at 855 Proton RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Balaji AyyarGastroenterology Physician1437595204
- Mario Garza, M.D.Gastroenterology Physician1194719666
- Erica Giordano, PAPhysician Assistant1124653399
- Stephanie Griffin, FNP-CFamily Nurse Practitioner1578126595
- Michael Guirl, M.D.Gastroenterology Physician1962496711
- James Jackson, M.D.Gastroenterology Physician1730115528
Verify Richard T. Shaffer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license J3215Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
26% more Medicare Part D claims than the average gastroenterology physician in 2024
1,020 Medicare Part D claims for 509 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 32% of claims.
Most prescribed
- Pantoprazole Sodium220 claims
- Omeprazole148 claims
- Peg-3350 And Electrolytes68 claims
- Plenvu62 claims
- Clenpiq61 claims
- Gavilyte-G40 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 practice group's MIPS final score for 2023 (Medicare payment program): 79.9 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,532.12
72 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie 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.
Richard T. Shaffer among 1,478 gastroenterology physician records in Texas
Richard T. Shaffer, M.D. 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 2006, is newer than 14% of them.
- NPI issued2006 · 14% of these records are older, 51% newer
- In a Medicare fileYes · 89% of these records are
- In the CMS Doctors and Clinicians fileNo · 79% of these records are
- Record last updated2018 · 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
- Balaji AyyarSan Antonio, TX 782581437595204
- Seema Dar, MDSan Antonio, TX 782581548350598
- Mario Garza, M.D.San Antonio, TX 782581194719666
- Gerald Green, M.D.San Antonio, TX 782581568413011
- Michael Guirl, M.D.San Antonio, TX 782581962496711
- James Jackson, M.D.San Antonio, TX 782581730115528
- Elissa LinSan Antonio, TX 782581245737436
- Chaithanya Mallikarjun, MDSan Antonio, TX 782581114101904
Common questions
What is Richard T. Shaffer, M.D.'s NPI number?
Richard T. Shaffer, M.D.'s National Provider Identifier (NPI) is 1134158736, issued on Jul 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Richard T. Shaffer, M.D. located?
The NPPES record lists a practice address at 855 Proton RD, San Antonio, TX, 78258. Phone: (210) 614-1234. Providers update this record themselves, so call before visiting.
How can I verify Richard T. Shaffer, M.D.'s license?
NPPES lists Texas license number J3215, 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 Richard T. Shaffer, M.D. prescribe under Medicare Part D?
In 2024, Richard T. Shaffer, M.D. had 1,020 Medicare Part D claims for 509 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is Richard T. Shaffer, M.D.'s MIPS final score?
The 2023 MIPS final score is 79.9 of 100, reported for the practice group. 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.