Guillermo I. Rocha, MD
Internal Medicine Physician · San Antonio, TX
Guillermo I. Rocha, MD is an internal medicine physician with a practice address in San Antonio, Texas, and NPI 1548269335, issued on Jul 14, 2005. Check the license (Texas G6382, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Guillermo I. Rocha
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- G6382 TX
Self-reported in NPPES; status is on the state search - Practice location
- 517 SW Military Dr Ste 106, San Antonio, TX 78221
- Phone
- (210) 921-0322
- Enumerated
- Jul 14, 2005
- Record last updated
- Sep 16, 2024
- Fax
- (210) 921-1451
- Medicare enrollment
- Enrolled (PECOS I20070502000414); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 9,175 in Texas → Look up another NPI →
Also registered at 517 SW Military Dr Ste 106
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Leah Grove Dominguez, FNPFamily Nurse Practitioner1750911483
- Fernando Martinez, MDFamily Medicine Physician1033101415
- Chona Miller, ARNPFamily Nurse Practitioner1023620143
- Alonzo Ortega, DOFamily Medicine Physician1871590588
- Mireya Vanderslice, DNPFamily Nurse Practitioner1952314213
Verify Guillermo I. Rocha in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license G6382Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
56% more Medicare Part D claims than the average internal medicine physician in 2024
4,945 Medicare Part D claims for 609 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.
Most prescribed
- Atorvastatin Calcium526 claims
- Lisinopril250 claims
- Metformin Hcl230 claims
- Levothyroxine Sodium212 claims
- Gabapentin208 claims
- Amlodipine Besylate193 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: $47.91
2 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. The 50,334 providers of this specialty with any payment received $1,303.06 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
- Wellmed Medical Group PASan Antonio, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Guillermo I. Rocha among 9,175 internal medicine physician records in Texas
Guillermo I. Rocha, MD is one of 9,175 internal 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 91% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1980 · median 2004 among the 6,088 with a school on file
- Record last updated2024 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
657 internal medicine physician records list a practice address in San Antonio
They are 657 of the 37,749 NPPES records with a practice address in San Antonio, and 9,175 internal medicine physician records in Texas.
All 9,175 in Texas → Every provider in San Antonio → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Khanh Do, M.D.San Antonio, TX 782211174672927
- Juan Gonzalez, M.D.San Antonio, TX 782211487620241
- Lenibet Montemayor, M.D.San Antonio, TX 782211639168263
- Alexander Mora, M.D.San Antonio, TX 782211225111941
- Hector Oyarzabal, MD PASan Antonio, TX 782211790874089
- Carmelita Rodriguez, MDSan Antonio, TX 782211225046121
- Francisco Rodriguez, MDSan Antonio, TX 782211134137037
- Hugo Rojas, MD, PASan Antonio, TX 782211508978214
Common questions
What is Guillermo I. Rocha, MD's NPI number?
Guillermo I. Rocha, MD's National Provider Identifier (NPI) is 1548269335, issued on Jul 14, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Guillermo I. Rocha, MD located?
The NPPES record lists a practice address at 517 SW Military Dr Ste 106, San Antonio, TX, 78221. Phone: (210) 921-0322. Providers update this record themselves, so call before visiting.
How can I verify Guillermo I. Rocha, MD's license?
NPPES lists Texas license number G6382, 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 Guillermo I. Rocha, MD prescribe under Medicare Part D?
In 2024, Guillermo I. Rocha, MD had 4,945 Medicare Part D claims for 609 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.