Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Augustine John Ryan Jr., MD

Endocrinology, Diabetes & Metabolism Physician in Amherst, NY · enumerated 2006.

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

National Provider Identifier

1548361330

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Registry record

Entity type Individual (Type 1)

Name Augustine John Ryan Jr.

Credential MD

Sex Male

Practice address 3980 Sheridan Dr, Amherst, NY, 14226

Phone (719) 961-9900

Fax (716) 961-9911

Enumeration date Sep 26, 2006

Last updated in NPPES Jan 28, 2011

Taxonomy & licenses

207RE0101X Endocrinology, Diabetes & Metabolism Physician Allopathic & Osteopathic Physicians · License 143304 (NY) Primary

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

Other identifiers

Identifier	Type	State	Issuer
2207620	Other	NY	INDEPENDENT HEALTH
005107711	Other	NY	HEALTH NOW
01174249	Medicaid	NY	-
00010152901	Other	NY	EXCELLUS UNIVERA

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.

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Frequently asked questions

What is the NPI number for Augustine Ryan?

The National Provider Identifier (NPI) for Augustine Ryan is 1548361330, a Type 1 (individual) record in the CMS NPPES registry.

Where does Augustine Ryan practice?

The practice location on file with NPPES is in Amherst, NY. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Gregory Sambuchi Neurology Physician · Amherst, NY NPI 1942203112 Dawn Harbatkin Addiction Medicine (Preventive Medicine) Physician · Amherst, NY NPI 1033119284 Jason Santiago Physician Assistant · Amherst, NY NPI 1568450989 Laszlo Mechtler Neurology Physician · Amherst, NY NPI 1710978598 Wendy Callen Surgical Physician Assistant · Amherst, NY NPI 1609851401 Joy Staggers-Deberny Specialist · Amherst, NY NPI 1255319489 Ellen Rich Internal Medicine Physician · Amherst, NY NPI 1366418345 Kathleen Shannon Clinical Social Worker · Amherst, NY NPI 1023084027

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-01-28.