DR. KAREN A LARSEN MD
NPI 1326132796
Psychiatry & Neurology - Addiction Psychiatry in Palo Alto, CA

Q: What is Karen Larsen's NPI number?

The NPI number for Karen Larsen is 1326132796. It was assigned to this individual provider in the NPPES registry on October 3, 2006.

Q: What is Karen Larsen's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Addiction Psychiatry, with taxonomy code 2084P0802X.

Q: When was this NPI record last updated?

The NPPES record for Karen Larsen was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 months 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 October 03, 2006PECOS Enrolled

3801 MIRANDA AVE, UNIT 2B1, PALO ALTO, CA 94304(650) 493-5000 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: October 04, 2026.

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About Dr. Karen A Larsen Md NPPES

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

DR. KAREN A LARSEN MD (NPI 1326132796) is an individual addiction psychiatry provider in Palo Alto, California, licensed in Vermont (042-0006922) and active in the NPI registry since October 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1326132796

Entity TypeIndividualFemale

Primary Taxonomy2084P0802X

Provider Legal NameDR. KAREN A LARSENCredential: MD

Location Address3801 MIRANDA AVE, UNIT 2B1Palo Alto, CA 94304-1207

Mailing Address3801 Miranda AvePalo Alto, CA 94304-1207 · (650) 493-5000

Phone(650) 493-5000

Sole ProprietorNo

Enumeration DateOctober 3, 2006

Last NPPES UpdateSeptember 11, 2025

✔ NPI 1326132796 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · Addiction PsychiatryAllopathic & Osteopathic Physicians

Taxonomy Code2084P0802X

License✔ Licensed in VT · 042-0006922

Definition

Addiction Psychiatry is a subspecialty of psychiatry that focuses on evaluation and treatment of individuals with alcohol, drug, or other substance-related disorders, and of individuals with dual diagnosis of substance-related and other psychiatric disorders.

Also ListedPsychiatry & Neurology · PsychiatryTaxonomy 2084P0800X · License 042-0006922 (VT)

3801 MIRANDA AVE, Palo Alto, CA 94304

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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Karen A Larsen Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer– Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

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.

DR. LAURA ELIZABETH STODDARD PHARMD

Pharmacist

3801 MIRANDA AVE
PALO ALTO, CA 94304

Santa Clara County (650) 493-5000

DR. KEVIN MCKENNA PH.D.

Psychologist (Clinical)

3801 MIRANDA AVE
PALO ALTO, CA 94304

Santa Clara County (650) 493-5000

VALLANCE WA-LUN AU-YEUNG PHARMD

Pharmacist

3801 MIRANDA AVE
PALO ALTO, CA 94304

Santa Clara County (650) 493-5000

ARLENE VICENTE-VELASCO

Registered Nurse

3801 MIRANDA AVE
PALO ALTO, CA 94304

Santa Clara County (650) 493-5000

MAHNOOSH KUHBANANI SEIFODDINI M.D.

Internal Medicine

3801 MIRANDA AVE, VA PALO ALTO HEALTH CARE SYSTEM (111STC)
PALO ALTO, CA 94304

Santa Clara County (209) 946-3400

DR. EDWARD LEE COHEN MD

Obstetrics & Gynecology

3801 MIRANDA AVE, #112
PALO ALTO, CA 94304

Santa Clara County (650) 493-5000

MRS. JEAN JONES GURGA OTR/L

Occupational Therapist

3801 MIRANDA AVE, PMRS (117)
PALO ALTO, CA 94304

Santa Clara County (650) 493-5000

MS. ELLEN WHITE FORD LCSW, MSW, MPH

Social Worker (Clinical)

3801 MIRANDA AVE, VAPAHCS SOCIAL WORK SERVICE, 122 PA
PALO ALTO, CA 94304

Santa Clara County (650) 493-5000

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 Karen Larsen's NPI number?

The NPI number for Karen Larsen is 1326132796. It was assigned to this individual provider in the NPPES registry on October 3, 2006.

Where is Karen Larsen located?

Karen Larsen practices at 3801 Miranda Ave Unit 2b1, Palo Alto, CA 94304. The listed phone number is (650) 493-5000.

What is Karen Larsen's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Addiction Psychiatry, with taxonomy code 2084P0802X.

Is Karen Larsen enrolled in Medicare?

Yes. Karen Larsen is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Karen Larsen was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 months 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.