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DR. MARGARET ROBERTS KARP MD
NPI 1639214356
Psychiatry & Neurology - Psychiatry in San Fransisco, CA

Active since February 20, 2007Opted out of Medicare · through Oct 10, 2027
2485 CLAY STREET, SUITE 102, SAN FRANSISCO, CA 94115(415) 673-3505(415) 673-3504 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Margaret Roberts Karp Md NPPES

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

DR. MARGARET ROBERTS KARP MD (NPI 1639214356) is an individual psychiatry provider in San Fransisco, California, licensed in California (G047919) and active in the NPI registry since February 2007. She has opted out of Medicare through October 10, 2027.

NPPES Registry Identity

NPI1639214356
Entity TypeIndividualFemale
Primary Taxonomy2084P0800X
Provider Legal NameDR. MARGARET ROBERTS KARPCredential: MD
Location Address2485 CLAY STREET, SUITE 102San Fransisco, CA 94115-1874
Mailing Address2485 Clay Street, Suite 102San Fransisco, CA 94115-1874 · (415) 673-3505 · Fax (415) 673-3504
Phone(415) 673-3505
Fax(415) 673-3504
Sole ProprietorNo
Enumeration DateFebruary 20, 2007
Last NPPES UpdateJuly 8, 2007
✔ NPI 1639214356 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 · G047919
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.
2485 CLAY STREET, San Fransisco, CA 94115
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Other Names 1

Former Name (1)Dr. Margaret Alma Roberts Md

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Dr. Margaret Roberts Karp Md 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 10, 2025 through October 10, 2027.

Opt-Out Effective DateOctober 10, 2025
Opt-Out In Effect ThroughOctober 10, 2027Opt-out affidavits renew automatically every two years unless cancelled

Other Providers at the Same Location NPPES

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

MR. KERRY E. MITCHELL M.D.
Psychiatry & Neurology (Psychosomatic Medicine)
2485 CLAY STREET, SUITE 104
SAN FRANCISCO, CA 94115
San Francisco County (650) 938-2320

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 Margaret Karp's NPI number?

The NPI number for Margaret Karp is 1639214356. It was assigned to this individual provider in the NPPES registry on February 20, 2007. The provider is also known as Dr. Margaret Alma Roberts MD.

Where is Margaret Karp located?

Margaret Karp practices at 2485 Clay Street Suite 102, San Fransisco, CA 94115. The listed phone number is (415) 673-3505.

What is Margaret Karp's specialty?

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

Is Margaret Karp enrolled in Medicare?

No. Margaret Karp has opted out of Medicare through October 10, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out.

When was this NPI record last updated?

The NPPES record for Margaret Karp was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years 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.