NPPES file of Aug 9, 2026

Marlene L. Sanchez, MD

Hospitalist Physician · San Antonio, TX

Marlene L. Sanchez, MD is a hospitalist physician with a practice address in San Antonio, Texas, and NPI 1629075338, issued on Jul 7, 2005. Check the license (Texas J4497, 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
1629075338
Name
Marlene L. Sanchez
Credential
MD
Primary taxonomy
Hospitalist Physician 208M00000X
License number
J4497 TX
Self-reported in NPPES; status is on the state search
Practice location
4330 Medical Dr, San Antonio, TX 78229
Phone
(210) 576-5306
Enumerated
Jul 7, 2005
Record last updated
Sep 16, 2015 (not updated in 11 years: call before relying on the address or phone)
Fax
(210) 694-0645
Medicare enrollment
Enrolled (PECOS I20090306000260); accepts Medicare assignment
Medical or professional school
University Of Texas Medical School At San Antonio, 1992
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.
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Also registered at 4330 Medical Dr

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

  1. Haydee AdanGerontology Nurse Practitioner1518164797
  2. Winnifer Baduel, M.D.Internal Medicine Physician1245397744
  3. Thomas Bienen, M.D.Internal Medicine Physician1952581746
  4. Stephanie Bruno, APRNFamily Nurse Practitioner1134560667
  5. Darius Buzenas, M.D.Internal Medicine Physician1609019272
  6. William Davis, M.D.Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician1437195187

Verify Marlene L. Sanchez in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license J4497
    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.

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31% more Medicare Part D claims than the average hospitalist physician in 2024

682 Medicare Part D claims for 224 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. 126 claims were for opioids.

  1. Marlene Sanchez682
  2. Specialty average521

Most prescribed

  1. Hydrocodone-Acetaminophen79 claims
  2. Eliquis24 claims
  3. Tramadol Hcl22 claims
  4. Amiodarone Hcl18 claims
  5. Metoprolol Tartrate18 claims
  6. Atorvastatin Calcium16 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.

Bills Medicare through one group practice

  1. Wellmed Networks, Inc.San Antonio, TX

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

Marlene L. Sanchez among 1,587 hospitalist physician records in Texas

Marlene L. Sanchez, MD is one of 1,587 hospitalist physician records with a practice address in Texas. 90% 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, 98% newer
  • In a Medicare fileYes · 90% of these records are
  • In the CMS Doctors and Clinicians fileYes · 82% of these records are
  • Graduated1992 · median 2013 among the 1,298 with a school on file
  • Record last updated2015 · 25% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hospitalist Physician providers in Texas

There are 1,587 hospitalist physician records in Texas.

The 8 hospitalist physician records with the nearest ZIP codes

  1. Christine Andre, MDSan Antonio, TX 782291013928530
  2. Theodore Arevalo, MDSan Antonio, TX 782291922019447
  3. Gregory Bowling, MDSan Antonio, TX 782291275640245
  4. Andrea Darilek, MDSan Antonio, TX 782291053334904
  5. Sean Garcia, MDSan Antonio, TX 782291861509861
  6. Gustavo Medellin, MDSan Antonio, TX 782291871571968
  7. Jane O'Rorke, M.D.San Antonio, TX 782291669483541
  8. Raja Pathapati, M.D.San Antonio, TX 782291083669501

Common questions

What is Marlene L. Sanchez, MD's NPI number?

Marlene L. Sanchez, MD's National Provider Identifier (NPI) is 1629075338, issued on Jul 7, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Marlene L. Sanchez, MD located?

The NPPES record lists a practice address at 4330 Medical Dr, San Antonio, TX, 78229. Phone: (210) 576-5306. Providers update this record themselves, so call before visiting.

How can I verify Marlene L. Sanchez, MD's license?

NPPES lists Texas license number J4497, 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 Marlene L. Sanchez, MD prescribe under Medicare Part D?

In 2024, Marlene L. Sanchez, MD had 682 Medicare Part D claims for 224 beneficiaries; the average among hospitalist physician prescribers was 521. 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.