Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Alexis Marie Mills, MD

Q: What is the NPI number for Alexis Mills?

The National Provider Identifier (NPI) for Alexis Mills is 1235717117, a Type 1 (individual) record in the CMS NPPES registry.

Pediatrics Physician in Bethesda, MD · enumerated 2021.

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

National Provider Identifier

1235717117

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Registry record

Entity type Individual (Type 1)

Name Alexis Marie Mills

Credential MD

Sex Female

Practice address 8901 Rockville Pike, Bethesda, MD, 20889

Phone (301) 295-4000

Enumeration date Mar 31, 2021

Last updated in NPPES Aug 3, 2026

Taxonomy & licenses

208000000X Pediatrics Physician Allopathic & Osteopathic Physicians · License 35.147037 (OH) 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
35.147037	Other	OH	MEDICAL LICENSE

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 Alexis Mills practice?

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

What is the NPI number for Alexis Mills?

The National Provider Identifier (NPI) for Alexis Mills is 1235717117, 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 2026-08-03.