NPPES file of Aug 9, 2026

Marc D. Feldman, MD

Interventional Cardiology Physician · San Antonio, TX

Marc D. Feldman, MD is an interventional cardiology physician with a practice address in San Antonio, Texas, and NPI 1083721070, issued on Aug 24, 2006. Check the license (Texas K6581, 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
1083721070
Name
Marc D. Feldman
Credential
MD
Primary taxonomy
Interventional Cardiology Physician 207RI0011X
License numbers
K6581 TX
DR.0058905 CO
Self-reported in NPPES; status is on the state search
Practice location
8300 Floyd Curl Dr FL 3, San Antonio, TX 78229
Phone
(210) 450-4888
Enumerated
Aug 24, 2006
Record last updated
Aug 22, 2022
Fax
(210) 450-6018
Medicaid ID
046289702 TX
Medicare enrollment
Enrolled (PECOS I20090409000121); accepts Medicare assignment
Medical or professional school
Perelman School Of Med At The University Of Pennsylvania, 1981
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 8300 Floyd Curl Dr FL 3

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

  1. Mary Butler, PA-CPhysician Assistant1205201183
  2. Frank Buttacavoli, MDOrthopaedic Surgery Physician1487882346
  3. Christopher Chaput, MDOrthopaedic Surgery Physician1710947783
  4. Marie Charpentier, DPT ATCPhysical Therapist1093802969
  5. Andrew Chesley, M.D.Vascular & Interventional Radiology Physician1497101489
  6. Stephen Cox, PTPhysical Therapist1871543892

Verify Marc D. Feldman in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license K6581
    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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70% fewer Medicare Part D claims than the average interventional cardiology physician in 2024

952 Medicare Part D claims for 160 beneficiaries, against an average of 3,179 among the 6,605 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.

  1. Marc Feldman952
  2. Specialty average3,179

Most prescribed

  1. Spironolactone83 claims
  2. Atorvastatin Calcium74 claims
  3. Metoprolol Succinate68 claims
  4. Clopidogrel66 claims
  5. Eliquis57 claims
  6. Carvedilol53 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: $399.63

10 payments; by number, the most common kind was food and beverage; the largest payer was Abiomed. The 6,394 providers of this specialty with any payment received $7,062.29 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Marc Feldman$399.63
  2. Specialty average$7,062.29

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. Christus Trinity ClinicSan Antonio, TX

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

Marc D. Feldman among 724 interventional cardiology physician records in Texas

Marc D. Feldman, MD is one of 724 interventional cardiology physician records with a practice address in Texas. 97% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 15% of them.

  • NPI issued2006 · 15% of these records are older, 57% newer
  • In a Medicare fileYes · 97% of these records are
  • In the CMS Doctors and Clinicians fileYes · 90% of these records are
  • Graduated1981 · median 2003 among the 653 with a school on file
  • Record last updated2022 · 31% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0011X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Interventional Cardiology Physician providers in Texas

There are 724 interventional cardiology physician records in Texas.

The 8 interventional cardiology physician records with the nearest ZIP codes

  1. Shah-Hinan Ahmed, MDSan Antonio, TX 782291245262377
  2. Jorge Alvarez, MDSan Antonio, TX 782291821183559
  3. Moises Bucay, MDSan Antonio, TX 782291285614529
  4. Mark Canales, M.D.San Antonio, TX 782291417956533
  5. Daniel Donovan, MDSan Antonio, TX 782291730150160
  6. Marvin Eng, MDSan Antonio, TX 782291427194687
  7. Abelardo Martinez-Rumayor, MDSan Antonio, TX 782291861528234
  8. Jarrett McGehee, M.D.San Antonio, TX 782291396774063

Common questions

What is Marc D. Feldman, MD's NPI number?

Marc D. Feldman, MD's National Provider Identifier (NPI) is 1083721070, issued on Aug 24, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Marc D. Feldman, MD located?

The NPPES record lists a practice address at 8300 Floyd Curl Dr FL 3, San Antonio, TX, 78229. Phone: (210) 450-4888. Providers update this record themselves, so call before visiting.

How can I verify Marc D. Feldman, MD's license?

NPPES lists Texas license number K6581, 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 Marc D. Feldman, MD prescribe under Medicare Part D?

In 2024, Marc D. Feldman, MD had 952 Medicare Part D claims for 160 beneficiaries; the average among interventional cardiology physician prescribers was 3,179. 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.