NPPES file of Aug 9, 2026

David Michael Brennen, MD

Pediatric Cardiology Physician · San Antonio, TX

David Michael Brennen, MD is a pediatric cardiology physician with a practice address in San Antonio, Texas, and NPI 1629136692, issued on Dec 4, 2006. Check the license (Texas N9817, 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
1629136692
Name
David Michael Brennen
Credential
MD
Primary taxonomy
Pediatric Cardiology Physician 2080P0202X
License number
N9817 TX
Self-reported in NPPES; status is on the state search
Practice location
4499 Medical Dr, San Antonio, TX 78229
Phone
(210) 614-3264
Enumerated
Dec 4, 2006
Record last updated
Oct 11, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(210) 615-0888
Medicare enrollment
Enrolled (PECOS I20110929000489); accepts Medicare assignment
Medical or professional school
State University Of New York At Buffalo School Of Medicine, 2002
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 4499 Medical Dr

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

  1. Patricia Allen, CWHNPWomen's Health Nurse Practitioner1598956211
  2. John Ayala, M.D.Specialist1346329455
  3. Kristie Borgman, MDPediatric Cardiology Physician1033266846
  4. Alan Braid, MDObstetrics Physician1205810447
  5. Kevin Browne, M.D.Otolaryngology Physician1568531390
  6. Steven Buckley, DDS, MDOral and Maxillofacial Surgery (Dentist)1285602276

Verify David Michael Brennen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license N9817
    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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Industry payments in 2024: $21.17

1 payment: food and beverage; the largest payer was Boston Scientific Corporation. The 1,156 providers of this specialty with any payment received $2,864.57 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. David Brennen$21.17
  2. Specialty average$2,864.57

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. Texas Childrens Physician GroupThe Woodlands, TX

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

David Michael Brennen among 325 pediatric cardiology physician records in Texas

David Michael Brennen, MD is one of 325 pediatric cardiology physician records with a practice address in Texas. 71% 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 6% of them.

  • NPI issued2006 · 6% of these records are older, 64% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileYes · 50% of these records are
  • Graduated2002 · median 2004 among the 163 with a school on file
  • Record last updated2012 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080P0202X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pediatric Cardiology Physician providers in Texas

There are 325 pediatric cardiology physician records in Texas.

The 8 pediatric cardiology physician records with the nearest ZIP codes

  1. Ginnie Abarbanell, MDSan Antonio, TX 782291760427371
  2. Kristie Borgman, MDSan Antonio, TX 782291033266846
  3. David Bush, M.D., PH.D.San Antonio, TX 782291033171228
  4. Bibhuti Das, MDSan Antonio, TX 782291316943376
  5. Patrick Glasow, MDSan Antonio, TX 782291568468791
  6. Teresa Hospers, M.D.San Antonio, TX 782291447239298
  7. Catharine Kollars, M.D.San Antonio, TX 782291578543435
  8. Elaine Maldonado, MDSan Antonio, TX 782291902897341

Common questions

What is David Michael Brennen, MD's NPI number?

David Michael Brennen, MD's National Provider Identifier (NPI) is 1629136692, issued on Dec 4, 2006. An NPI identifies a provider in billing; it is not a license.

Where is David Michael Brennen, MD located?

The NPPES record lists a practice address at 4499 Medical Dr, San Antonio, TX, 78229. Phone: (210) 614-3264. Providers update this record themselves, so call before visiting.

How can I verify David Michael Brennen, MD's license?

NPPES lists Texas license number N9817, 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.

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.