Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Leonid Kotkin, MD

Urology Physician in Brighton, MA · enumerated 2005.

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

National Provider Identifier

1326035825

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Registry record

Entity type Individual (Type 1)

Name Leonid Kotkin

Credential MD

Sex Male

Practice address 280 Washington St, Ste. 207, Brighton, MA, 02135

Phone (617) 783-8875

Fax (617) 782-3367

Enumeration date Sep 30, 2005

Last updated in NPPES Dec 5, 2011

Taxonomy & licenses

208800000X Urology Physician Allopathic & Osteopathic Physicians · License 151270 (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
3159345	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

Where does Leonid Kotkin practice?

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

What is the NPI number for Leonid Kotkin?

The National Provider Identifier (NPI) for Leonid Kotkin is 1326035825, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-12-05.