Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

NANCY AAEN MD
NPI 1609816669
Psychiatry & Neurology - Psychiatry in Napa, CA

Q: What is Nancy Aaen's NPI number?

The NPI number for Nancy Aaen is 1609816669. It was assigned to this individual provider in the NPPES registry on June 7, 2006.

Q: What is Nancy Aaen's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Q: When was this NPI record last updated?

The NPPES record for Nancy Aaen was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 27 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since June 07, 2006

2100 NAPA-VALLEJO HIGHWAY, NAPA, CA 94558(707) 253-5000(707) 253-5513 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Nancy Aaen Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

NANCY AAEN MD (NPI 1609816669) is an individual psychiatry provider in Napa, California, licensed in California (A60909) and active in the NPI registry since June 2006.

NPPES Registry Identity

NPI1609816669

Entity TypeIndividualFemale

Primary Taxonomy2084P0800X

Provider Legal NameNANCY AAENCredential: MD

Location Address2100 NAPA-VALLEJO HIGHWAYNapa, CA 94558-6293

Mailing Address1600 9th St, Room 205 Mailstop 2-3Sacramento, CA 95814-6414 · (916) 654-2431 · Fax (916) 654-3186

Phone(707) 253-5000

Fax(707) 253-5513

Sole ProprietorNo

Enumeration DateJune 7, 2006

Last NPPES UpdateJuly 13, 2026

✔ NPI 1609816669 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians

Taxonomy Code2084P0800X

License✔ Licensed in CA · A60909

Definition

A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

2100 NAPA-VALLEJO HIGHWAY, Napa, CA 94558

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Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

JAVED IQBAL MD

Psychiatry & Neurology (Psychiatry)