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

DR. ALEXIS PAIGE ANDERSON D.O.
NPI 1124162177
Psychiatry & Neurology - Psychiatry in San Francisco, CA

Q: What is Alexis Anderson's NPI number?

The NPI number for Alexis Anderson is 1124162177. It was assigned to this individual provider in the NPPES registry on February 15, 2007.

Q: What is Alexis Anderson's specialty?

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

Q: Is Alexis Anderson enrolled in Medicare?

No. Alexis Anderson has opted out of Medicare through October 1, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out.

Q: When was this NPI record last updated?

The NPPES record for Alexis Anderson was last updated on August 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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 February 15, 2007Opted out of Medicare · through Oct 1, 2027

315 MONTGOMERY ST STE 900, SAN FRANCISCO, CA 94104(415) 494-9272 Get Directions Write a Review

NPPES record last updated: August 29, 2026. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: Aug 29, 2026, Jan 3, 2025, Aug 6, 2022 and 1 more (4 updates tracked since 2021).

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About Dr. Alexis Paige Anderson D.o. NPPES

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

DR. ALEXIS PAIGE ANDERSON D.O. (NPI 1124162177) is an individual psychiatry provider in San Francisco, California, licensed in California (9609) and active in the NPI registry since February 2007. She has opted out of Medicare through October 1, 2027.

NPPES Registry Identity

NPI1124162177

Entity TypeIndividualFemale

Primary Taxonomy2084P0800X

Provider Legal NameDR. ALEXIS PAIGE ANDERSONCredential: D.O.

Location Address315 MONTGOMERY ST STE 900San Francisco, CA 94104-1821

Mailing Address476 Enterprise Blvd Unit 307Bozeman, MT 59718-4598 · (406) 589-2402

Phone(415) 494-9272

Sole ProprietorNo

Enumeration DateFebruary 15, 2007

Last NPPES UpdateAugust 29, 20264 updates tracked since enumeration

NPPES CertifiedAugust 29, 2026

✔ NPI 1124162177 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 · 9609

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.

315 MONTGOMERY ST STE 900, San Francisco, CA 94104

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Montana.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

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Opted out of Medicare

Dr. Alexis Paige Anderson D.o. has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from October 1, 2025 through October 1, 2027.

Opt-Out Effective DateOctober 1, 2025

Opt-Out In Effect ThroughOctober 1, 2027Opt-out affidavits renew automatically every two years unless cancelled

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Alexis Anderson's NPI number?

The NPI number for Alexis Anderson is 1124162177. It was assigned to this individual provider in the NPPES registry on February 15, 2007.

Where is Alexis Anderson located?

Alexis Anderson practices at 315 Montgomery St Ste 900, San Francisco, CA 94104. The listed phone number is (415) 494-9272.

What is Alexis Anderson's specialty?

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

Is Alexis Anderson enrolled in Medicare?

No. Alexis Anderson has opted out of Medicare through October 1, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out.

What insurance does Alexis Anderson accept?

Health plans from Blue Cross and Blue Shield of Montana list Alexis Anderson as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Alexis Anderson was last updated on August 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.