Oscar G. Ramirez, M.D.
Gastroenterology Physician · Live Oak, TX
Oscar G. Ramirez, M.D. is a gastroenterology physician with a practice address in Live Oak, Texas, and NPI 1962497420, issued on Sep 12, 2005. Check the license (Texas J8099, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Oscar G. Ramirez
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- J8099 TX
Self-reported in NPPES; status is on the state search - Practice location
- 12850 Toepperwein RD, Live Oak, TX 78233
- Phone
- (210) 614-1234
- Enumerated
- Sep 12, 2005
- Record last updated
- Jul 24, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (210) 614-0952
- Medicaid ID
- 111925706 TX
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 1,478 in Texas → Look up another NPI →
Also registered at 12850 Toepperwein RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Hays Arnold, M.D.Gastroenterology Physician1699765461
- Maui CervantesPhysician Assistant1033825997
- Lynn Chuong, PA-CPhysician Assistant1386359511
- Yuni Corwin, APRN-CNPNurse Practitioner1841345360
- Mahesh Gajendran, M.D.Gastroenterology Physician1285833921
- Jordan Gooch, PA-CPhysician Assistant1992364970
Verify Oscar G. Ramirez in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license J8099Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.9 times the Medicare Part D claims of the average gastroenterology physician in 2024
2,343 Medicare Part D claims for 591 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 26% of claims.
Most prescribed
- Pantoprazole Sodium529 claims
- Omeprazole180 claims
- Famotidine164 claims
- Sucralfate103 claims
- Esomeprazole Magnesium92 claims
- Linzess88 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: $2,226.97
131 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.
Oscar G. Ramirez among 1,478 gastroenterology physician records in Texas
Oscar G. Ramirez, 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 86% newer
- In a Medicare fileYes · 89% of these records are
- In the CMS Doctors and Clinicians fileNo · 79% of these records are
- Record last updated2020 · 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).
8 gastroenterology physician records list a practice address in Live Oak
They are 8 of the 632 NPPES records with a practice address in Live Oak, and 1,478 gastroenterology physician records in Texas.
All 1,478 in Texas → Every provider in Live Oak → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Hays Arnold, M.D.Live Oak, TX 782331699765461
- Mahesh Gajendran, M.D.Live Oak, TX 782331285833921
- David Jones, DOLive Oak, TX 782331265410914
- Robert Narvaez, M.D.Live Oak, TX 782331629076757
- Kavea Panneerselvam, MDLive Oak, TX 782331962963918
- Michael Piesman, M.D.Live Oak, TX 782331750402046
- Darren Spearman, M.D.Live Oak, TX 782331851323034
- Carlos Angueira, MDFort Sam Houston, TX 782341639168057
Common questions
What is Oscar G. Ramirez, M.D.'s NPI number?
Oscar G. Ramirez, M.D.'s National Provider Identifier (NPI) is 1962497420, issued on Sep 12, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Oscar G. Ramirez, M.D. located?
The NPPES record lists a practice address at 12850 Toepperwein RD, Live Oak, TX, 78233. Phone: (210) 614-1234. Providers update this record themselves, so call before visiting.
How can I verify Oscar G. Ramirez, M.D.'s license?
NPPES lists Texas license number J8099, 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 Oscar G. Ramirez, M.D. prescribe under Medicare Part D?
In 2024, Oscar G. Ramirez, M.D. had 2,343 Medicare Part D claims for 591 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is Oscar G. Ramirez, 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.