Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Aman Katyal, M.D.

Internal Medicine Physician in Austin, TX · enumerated 2015.

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

National Provider Identifier

1336536812

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Registry record

Entity type Individual (Type 1)

Name Dr. Aman Katyal

Credential M.D.

Sex Male

Practice address 919 E 32nd St, Austin, TX, 78705

Phone (512) 544-4087

Enumeration date Apr 22, 2015

Last updated in NPPES Mar 19, 2026

Taxonomy & licenses

208M00000X Hospitalist Physician Allopathic & Osteopathic Physicians · License 295394 (NY) Secondary

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License R5145 (TX) Primary

208M00000X Hospitalist Physician Allopathic & Osteopathic Physicians · License A152966 (CA) Secondary

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License A152966 (CA) Secondary

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 295394 (NY) Secondary

208M00000X Hospitalist Physician Allopathic & Osteopathic Physicians · License R5145 (TX) Secondary

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 Aman Katyal?

Aman Katyal is registered in NPPES with the primary taxonomy of Internal Medicine 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 2026-03-19.