Dudley Byron Holt, MD
Pediatric Cardiology Physician · Austin, TX
Dudley Byron Holt, MD is a pediatric cardiology physician with a practice address in Austin, Texas, and NPI 1043438450, issued on Apr 23, 2007. Check the license (Texas M6196, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Dudley Byron Holt
- Credential
- MD
- Primary taxonomy
- Pediatric Cardiology Physician 2080P0202X
- License number
- M6196 TX
Self-reported in NPPES; status is on the state search - Practice location
- 1110 E 32ND St, Austin, TX 78722
- Phone
- (512) 320-8388
- Enumerated
- Apr 23, 2007
- Record last updated
- Oct 27, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (512) 320-8398
- Medicare enrollment
- Enrolled (PECOS I20101027000175); accepts Medicare assignment
- Medical or professional school
- University Of Texas Medical School At San Antonio, 2000
- Entity
- Type 1 · individual
8 nearest pediatric cardiology physician records → All 325 in Texas → Look up another NPI →
Also registered at 1110 E 32ND St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Chesney Castleberry, MDPediatric Cardiology Physician1801055843
- Keren Hasbani, MDPediatric Cardiology Physician1730307356
- Lisa Pomeroy, APRN, CPNP-ACPediatric Nurse Practitioner1073882205
- Jeannine Schuman McCoy, MDPediatric Cardiology Physician1558577676
- Ronald Shapiro, MDPediatric Cardiology Physician1861533259
- Frank Wong, MDPediatric Cardiology Physician1831230127
Verify Dudley Byron Holt in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license M6196Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $55,044.71
36 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. 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.
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
- Dell Childrens Medical GroupAustin, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Dudley Byron Holt among 325 pediatric cardiology physician records in Texas
Dudley Byron Holt, 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 2007, is newer than 36% of them.
- NPI issued2007 · 36% of these records are older, 54% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2000 · median 2004 among the 163 with a school on file
- Record last updated2010 · 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.
All 325 in Texas → Every provider in Austin → Pediatric Cardiology Physician nationwide →
The 8 pediatric cardiology physician records with the nearest ZIP codes
- Chesney Castleberry, MDAustin, TX 787221801055843
- Keren Hasbani, MDAustin, TX 787221730307356
- Jeannine Schuman McCoy, MDAustin, TX 787221558577676
- Ronald Shapiro, MDAustin, TX 787221861533259
- Frank Wong, MDAustin, TX 787221831230127
- Kathleen Colman, MDAustin, TX 787231649536202
- Patrick Day, MDAustin, TX 787231003376138
- Jennifer Lehmberg, M.D.Austin, TX 787231487035150
Common questions
What is Dudley Byron Holt, MD's NPI number?
Dudley Byron Holt, MD's National Provider Identifier (NPI) is 1043438450, issued on Apr 23, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Dudley Byron Holt, MD located?
The NPPES record lists a practice address at 1110 E 32ND St, Austin, TX, 78722. Phone: (512) 320-8388. Providers update this record themselves, so call before visiting.
How can I verify Dudley Byron Holt, MD's license?
NPPES lists Texas license number M6196, 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.