Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

William Lipman, MD

Orthopaedic Surgery Physician in Cambridge, MA · enumerated 2006.

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

National Provider Identifier

1417022054

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)

Name William Lipman

Credential MD

Sex Male

Practice address 1493 Cambridge St, Orthopaedics, Cambridge, MA, 02139

Phone (617) 591-4600

Enumeration date Nov 21, 2006

Last updated in NPPES Nov 28, 2012

Taxonomy & licenses

207X00000X Orthopaedic Surgery Physician Allopathic & Osteopathic Physicians · License 44460 (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
2070588	Medicaid	MA	-
D07017	Other	MA	BCBS 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 is the NPI number for William Lipman?

The National Provider Identifier (NPI) for William Lipman is 1417022054, a Type 1 (individual) record in the CMS NPPES registry.

Where does William Lipman practice?

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

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2012-11-28.