Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Aleksander Chudnovsky, M.D.

Urology Physician in Brighton, MA · enumerated 2007.

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

National Provider Identifier

1225228356

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Registry record

Entity type Individual (Type 1)

Name Aleksander Chudnovsky

Credential M.D.

Sex Male

Practice address 11 Nevins St, Suite 303, Brighton, MA, 02135

Phone (617) 787-8181

Enumeration date Jul 25, 2007

Last updated in NPPES Dec 7, 2012

Taxonomy & licenses

208800000X Urology Physician Allopathic & Osteopathic Physicians · License 233911 (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
2142937	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

What specialty is Aleksander Chudnovsky?

Aleksander Chudnovsky is registered in NPPES with the primary taxonomy of Urology 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 2012-12-07.