Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Mayme C Williams, M.D.

Pediatrics Physician in Hyattsville, MD · enumerated 2007.

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

National Provider Identifier

1972658615

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Registry record

Entity type Individual (Type 1)

Name Dr. Mayme C Williams

Credential M.D.

Sex Female

Practice address 6525 Belcrest Rd, Suite 160, Hyattsville, MD, 20782

Phone (301) 209-6155

Fax (301) 209-6206

Enumeration date Jan 24, 2007

Last updated in NPPES Jun 28, 2021

Taxonomy & licenses

208000000X Pediatrics Physician Allopathic & Osteopathic Physicians · License MD21204 (DC) Secondary

208000000X Pediatrics Physician Allopathic & Osteopathic Physicians · License D0050369 (MD) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

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 Mayme Williams practice?

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

What is the NPI number for Mayme Williams?

The National Provider Identifier (NPI) for Mayme Williams is 1972658615, 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 2021-06-28.