Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Marilyn Mae Doyle, M.D.

Pediatrics Physician in Austin, TX · enumerated 2006.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1215980032

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Registry record

Entity type Individual (Type 1)

Name Dr. Marilyn Mae Doyle

Credential M.D.

Sex Female

Practice address 313 E 12th St, Ste 104, Austin, TX, 78701

Phone (409) 772-2222

Fax (409) 772-0885

Enumeration date May 19, 2006

Last updated in NPPES Mar 19, 2009

Taxonomy & licenses

2080P0208X Pediatric Infectious Diseases Physician Allopathic & Osteopathic Physicians · License F4024 (TX) Secondary

208000000X Pediatrics Physician Allopathic & Osteopathic Physicians · License F4024 (TX) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What specialty is Marilyn Doyle?

Marilyn Doyle is registered in NPPES with the primary taxonomy of Pediatrics Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2009-03-19.