Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Seth G. Kates, M.D.

Dermatology Physician in Worcester, MA · enumerated 2005.

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

National Provider Identifier

1760473557

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Registry record

Entity type Individual (Type 1)

Name Seth G. Kates

Credential M.D.

Sex Male

Practice address 100 Martin Luther King Jr. Blvd., Worcester, MA, 01608

Phone (508) 754-3823

Enumeration date Nov 2, 2005

Last updated in NPPES Jul 21, 2011

Taxonomy & licenses

207N00000X Dermatology Physician Allopathic & Osteopathic Physicians · License 75849 (MA) 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
3104613	Medicaid	MA	-

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 Seth Kates?

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

Other providers at this practice address

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Kathleen Rose Specialist · Worcester, MA NPI 1518958065 Raichel Topale Family Nurse Practitioner · Worcester, MA NPI 1760159941

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-07-21.