Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Alyssa So Young Shon, M.D.

Infectious Disease Physician in Buffalo, NY · enumerated 2007 · practices at Ehs, Inc..

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

National Provider Identifier

1962609677

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Registry record

Entity type Individual (Type 1)

Name Dr. Alyssa So Young Shon

Credential M.D.

Sex Female

Practice address 206 S Elmwood Ave, Buffalo, NY, 14201

Phone (716) 847-2441

Enumeration date Jun 27, 2007

Last updated in NPPES Jan 29, 2026

Taxonomy & licenses

207RI0200X Infectious Disease Physician Allopathic & Osteopathic Physicians · License 264966 (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
03456397	Medicaid	NY	-

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

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.

What specialty is Alyssa Shon?

Alyssa Shon is registered in NPPES with the primary taxonomy of Infectious Disease Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-01-29.