Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Aimee F Williams

Family Medicine Physician in Boston, MA · enumerated 2013.

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

National Provider Identifier

1538505771

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Registry record

Entity type Individual (Type 1)

Name Aimee F Williams

Sex Female

Practice address 850 Harrison Ave, Yacc 5, Boston, MA, 02118

Phone (617) 414-2080

Fax (617) 414-2090

Enumeration date May 15, 2013

Last updated in NPPES Sep 30, 2016

Taxonomy & licenses

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License 266141 (MA) Primary

Other identifiers

Identifier	Type	State	Issuer
110111535A	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 Aimee Williams practice?

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

What is the NPI number for Aimee Williams?

The National Provider Identifier (NPI) for Aimee Williams is 1538505771, 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 2016-09-30.