NPPES file of Aug 9, 2026

Guillermo Medrano Del Rosal, M.D.

Surgery Physician · San Antonio, TX

Guillermo Medrano Del Rosal, M.D. is a surgery physician with a practice address in San Antonio, Texas, and NPI 1922461789, issued on Mar 30, 2016. Check the license (Texas T4977, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1922461789
Name
Guillermo Medrano Del Rosal
Credential
M.D.
Primary taxonomy
Surgery Physician 208600000X
License numbers
T4977 TX
MD474934 PA
Self-reported in NPPES; status is on the state search
Practice location
5510-B Presidio Parkway, San Antonio, TX 78249
Phone
(210) 874-3732
Enumerated
Mar 30, 2016
Record last updated
Sep 26, 2023
Fax
(210) 874-3733
Medicare enrollment
Enrolled (PECOS I20220411002286); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 5510-B Presidio Parkway

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. James Prieto, MDColon & Rectal Surgery Physician1154580769

Verify Guillermo Medrano Del Rosal in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license T4977
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Texas license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

61% fewer Medicare Part D claims than the average surgery physician in 2024

57 Medicare Part D claims for 21 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. 13 claims were for opioids.

  1. Guillermo Medrano Del Rosal57
  2. Specialty average147

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: $2,394.47

24 payments; by number, the most common kind was food and beverage; the largest payer was Medical Device Business Services, Inc. The 17,103 providers of this specialty with any payment received $3,513.80 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Guillermo Medrano Del Rosal$2,394.47
  2. Specialty average$3,513.80

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

  1. Methodist Physician Practices PLLCSan Antonio, TX

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Guillermo Medrano Del Rosal among 2,192 surgery physician records in Texas

Guillermo Medrano Del Rosal, M.D. is one of 2,192 surgery physician records with a practice address in Texas. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 78% of them.

  • NPI issued2016 · 78% of these records are older, 19% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated2015 · median 2004 among the 1,350 with a school on file
  • Record last updated2023 · 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 208600000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Surgery Physician providers in Texas

There are 2,192 surgery physician records in Texas.

The 8 surgery physician records with the nearest ZIP codes

  1. Alfred Bowles, MDSan Antonio, TX 782491710966312
  2. David Thomas, M.D.San Antonio, TX 782491942449707
  3. Adebukola Adedeji, M.D.San Antonio, TX 782511275768566
  4. German Almonte Hidalgo, M.D.San Antonio, TX 782511023458395
  5. Gerardo Carcamo, M.D.San Antonio, TX 782511568484327
  6. Armando Elizondo, MDSan Antonio, TX 782511154825016
  7. Patrick Nguyen, MDSan Antonio, TX 782511750567921
  8. Dominick Vitale, M.D. FACSSan Antonio, TX 782511700142742

Common questions

What is Guillermo Medrano Del Rosal, M.D.'s NPI number?

Guillermo Medrano Del Rosal, M.D.'s National Provider Identifier (NPI) is 1922461789, issued on Mar 30, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Guillermo Medrano Del Rosal, M.D. located?

The NPPES record lists a practice address at 5510-B Presidio Parkway, San Antonio, TX, 78249. Phone: (210) 874-3732. Providers update this record themselves, so call before visiting.

How can I verify Guillermo Medrano Del Rosal, M.D.'s license?

NPPES lists Texas license number T4977, 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 Medrano Del Rosal, M.D. prescribe under Medicare Part D?

In 2024, Guillermo Medrano Del Rosal, M.D. had 57 Medicare Part D claims for 21 beneficiaries; the average among surgery physician prescribers was 147. 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.