Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Michelle Dinh Nguyen, M.D.

Anesthesiology Physician in San Francisco, CA · enumerated 2007.

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

National Provider Identifier

1043410681

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Registry record

Entity type Individual (Type 1)

Name Dr. Michelle Dinh Nguyen

Credential M.D.

Sex Female

Practice address 521 Parnassus Ave Fl 4, San Francisco, CA, 94143

Phone (415) 514-7952

Fax (415) 353-9163

Enumeration date Jul 23, 2007

Last updated in NPPES Nov 4, 2025

Taxonomy & licenses

207L00000X Anesthesiology Physician Allopathic & Osteopathic Physicians · License A119712 (CA) Primary

207L00000X Anesthesiology Physician Allopathic & Osteopathic Physicians · License T4348 (TX) Secondary

207L00000X Anesthesiology Physician Allopathic & Osteopathic Physicians · License 13866 (NV) Secondary

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
1043410681	Medicaid	CA	-
1043410681	Medicaid	NV	-

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 Michelle Nguyen practice?

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

What is the NPI number for Michelle Nguyen?

The National Provider Identifier (NPI) for Michelle Nguyen is 1043410681, 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 2025-11-04.