DR. DAVID MICHAEL BRENNEN MD
NPI 1629136692
Pediatrics - Pediatric Cardiology in San Antonio, TX
About Dr. David Michael Brennen Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. DAVID MICHAEL BRENNEN MD (NPI 1629136692) is an individual pediatric cardiology provider in San Antonio, Texas, licensed in Texas (N9817) and active in the NPI registry since December 2006. He is enrolled in Medicare PECOS and is a graduate of State University Of New York At Buffalo School Of Medicine (2002).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. David Michael Brennen Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show David Brennen reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Houston, TX 77083
- Reassigned Medicare billing, Texas enrollment
- 86 clinicians in this Medicare group
Houston, TX 77030
- Reassigned Medicare billing, Texas enrollment
- Medicare enrollment name: Texas Childrens Physician Group
- 2,498 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAN ANTONIO, TX 78229
SAN ANTONIO, TX 78229
SAN ANTONIO, TX 78229
SAN ANTONIO, TX 78229
SAN ANTONIO, TX 78229
SAN ANTONIO, TX 78229
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is David Brennen's NPI number?
The NPI number for David Brennen is 1629136692. It was assigned to this individual provider in the NPPES registry on December 4, 2006.
Where is David Brennen located?
David Brennen practices at 4499 Medical Dr Suite 289, San Antonio, TX 78229. The listed phone number is (210) 614-3264.
What is David Brennen's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Cardiology, with taxonomy code 2080P0202X.
Is David Brennen enrolled in Medicare?
Yes. David Brennen is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for David Brennen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), David Brennen reassigns Medicare benefits to 2 organizations: Asian American Health Coalition Of The Greater Houston Area (Houston, TX) and Texas Children's Physician Group (Houston, TX). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for David Brennen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does David Brennen accept?
Health plans from Baylor Scott and White Health Plan, Blue Cross and Blue Shield of Texas, Moda Health Plan, Inc. and Oscar Insurance Company list David Brennen as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for David Brennen was last updated on October 11, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. David Michael Brennen, MD · NPI 1629136692
Pediatric Cardiology physician in San Antonio, Texas. Individual provider, active in the CMS NPPES registry since December 4, 2006.
## Identity
- **NPI:** 1629136692 (Entity type: Individual)
- **Enumerated:** December 4, 2006
- **Primary specialty:** Pediatrics - Pediatric Cardiology · taxonomy 2080P0202X
- **State license:** N9817 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 4499 MEDICAL DR, SUITE 289, San Antonio, TX 78229-3735
- **Phone:** (210) 614-3264 · **Fax:** (210) 615-0888
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Asian American Health Coalition Of The Greater Houston Area (NPI 1518345271, Houston, TX); Texas Children's Physician Group (NPI 1861675506, Houston, TX) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** State University Of New York At Buffalo School Of Medicine, class of 2002
## Record status
- **NPPES last updated:** October 11, 2012
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Source: [NPI Profile](https://npiprofile.com/npi/1629136692) · Data from the CMS NPPES public registry.