Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Ann L. Dallman, MD

Q: What is the NPI number for Ann Dallman?

The National Provider Identifier (NPI) for Ann Dallman is 1821146564, a Type 1 (individual) record in the CMS NPPES registry.

Public Health & General Preventive Medicine Physician in San Francisco, CA · enumerated 2007.

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

National Provider Identifier

1821146564

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Registry record

Entity type Individual (Type 1)

Name Dr. Ann L. Dallman

Credential MD

Sex Female

Practice address 50 Lech Walesa, Tom Waddell Clinic, San Francisco, CA, 94102

Phone (415) 355-7471

Fax (415) 355-7408

Enumeration date Jan 8, 2007

Last updated in NPPES Sep 11, 2025

Taxonomy & licenses

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License G74481 (CA) Secondary

2083P0901X Public Health & General Preventive Medicine Physician Allopathic & Osteopathic Physicians · License G74481 (CA) 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
047944	Other	-	SFGH INTERNAL USE ONLY-COMMERCIAL NUMBER

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 Ann Dallman?

The National Provider Identifier (NPI) for Ann Dallman is 1821146564, a Type 1 (individual) record in the CMS NPPES registry.

Where does Ann Dallman practice?

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

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-09-11.