NPPES file of Aug 9, 2026

R Marc Schwarz, M.D.

General Practice Physician · San Antonio, TX

R Marc Schwarz, M.D. is a general practice physician with a practice address in San Antonio, Texas, and NPI 1134440258, issued on Jun 14, 2010. Check the license (Texas E9394, 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
1134440258
Name
R Marc Schwarz
Credential
M.D.
Primary taxonomy
General Practice Physician 208D00000X
License number
E9394 TX
Self-reported in NPPES; status is on the state search
Practice location
3066 E Commerce St, San Antonio, TX 78220
Phone
(210) 233-7062
Enumerated
Jun 14, 2010
Record last updated
Nov 19, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(210) 434-1704
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 3066 E Commerce St

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

  1. Stephen Adams, NURSE PRACTITIONERPediatric Nurse Practitioner1659329027
  2. Zhorae Adams, DNP, APRN, CPNP-PCPediatric Nurse Practitioner1982426045
  3. Richard ArroyoPsychiatry Physician1821674870
  4. Kelly Brooks, M.D.Family Medicine Physician1881056414
  5. Michael Busch, LPCProfessional Counselor1730354309
  6. Birgit Carlson, D.D.S.Dentist1457338261

Verify R Marc Schwarz in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license E9394    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

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98% fewer Medicare Part D claims than the average general practice physician in 2024

46 Medicare Part D claims, against an average of 3,030 among the 8,395 providers of this specialty who prescribed in Part D.

  1. R Schwarz46
  2. Specialty average3,030

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.

General Practice Physician providers in Texas

There are 1,062 general practice physician records in Texas.

All 1,062 in Texas → Every provider in San Antonio →

Other general practice physician records in Texas

  1. Shelly Ableson, PAHouston, TX1154420883
  2. Andrew Aboujaoude, MDSan Antonio, TX1548900343
  3. Mitchel Abramsky, M.D., MPHHouston, TX1386877116
  4. Kristin Acker, MDHouston, TX1710516471
  5. Joy Acklin, D.O.Dallas, TX1902004807
  6. Melchor Acosta, MDDallas, TX1629092614
  7. Charles Adams, MDSugar Land, TX1285826552
  8. Glenda Adams, M.D.Conroe, TX1215271697
  9. John AdamsFort Sam Houston, TX1134754898
  10. Olivia Agee, MDEl Paso, TX1699514232

Common questions

What is R Marc Schwarz, M.D.'s NPI number?

R Marc Schwarz, M.D.'s National Provider Identifier (NPI) is 1134440258, issued on Jun 14, 2010. An NPI identifies a provider in billing; it is not a license.

Where is R Marc Schwarz, M.D. located?

The NPPES record lists a practice address at 3066 E Commerce St, San Antonio, TX, 78220. Phone: (210) 233-7062. Providers update this record themselves, so call before visiting.

How can I verify R Marc Schwarz, M.D.'s license?

NPPES lists Texas license number E9394, 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 R Marc Schwarz, M.D. prescribe under Medicare Part D?

In 2024, R Marc Schwarz, M.D. had 46 Medicare Part D claims; the average among general practice physician prescribers was 3,030. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.