Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Elizabeth G Matzkin, M.D.

Sports Medicine (Orthopaedic Surgery) Physician in Boston, MA · enumerated 2006.

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

National Provider Identifier

1861592404

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Registry record

Entity type Individual (Type 1)

Name Dr. Elizabeth G Matzkin

Credential M.D.

Sex Female

Practice address 75 Francis St, Bwh Department of Orthopedic Surgery, Boston, MA, 02115

Phone (617) 525-8500

Fax (617) 264-5232

Enumeration date Sep 24, 2006

Last updated in NPPES Oct 31, 2011

Taxonomy & licenses

207X00000X Orthopaedic Surgery Physician Allopathic & Osteopathic Physicians · License MD11586 (RI) Secondary

207XX0005X Sports Medicine (Orthopaedic Surgery) Physician Allopathic & Osteopathic Physicians · License MD11586 (RI) Secondary

207XX0005X Sports Medicine (Orthopaedic Surgery) Physician Allopathic & Osteopathic Physicians · License 230751 (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
411918	Other	RI	BLUE CHIP
27825	Other	RI	BLUE CROSS

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 specialty is Elizabeth Matzkin?

Elizabeth Matzkin is registered in NPPES with the primary taxonomy of Sports Medicine (Orthopaedic Surgery) 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 2011-10-31.