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DR. BARBARA R SOMMER MD
NPI 1881729093
Psychiatry & Neurology - Psychiatry in Palo Alto, CA

Active since February 21, 2007PECOS Enrolled
76.5/100
CMS Quality Rating
401 QUARRY RD, ROOM 2338, PALO ALTO, CA 94304(650) 723-8567(650) 725-3762 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Barbara R Sommer Md NPPES

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

DR. BARBARA R SOMMER MD (NPI 1881729093) is an individual psychiatry provider in Palo Alto, California, licensed in California (G54905) and active in the NPI registry since February 2007. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1881729093
Entity TypeIndividualFemale
Primary Taxonomy2084P0800X
Provider Legal NameDR. BARBARA R SOMMERCredential: MD
Location Address401 QUARRY RD, ROOM 2338Palo Alto, CA 94304-1419
Mailing Address401 Quarry Rd, Room 2338Palo Alto, CA 94304-1419 · (650) 723-8567 · Fax (650) 725-3762
Phone(650) 723-8567
Fax(650) 725-3762
Sole ProprietorNo
Enumeration DateFebruary 21, 2007
Last NPPES UpdateJuly 8, 2007
✔ NPI 1881729093 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 · G54905
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.
401 QUARRY RD, Palo Alto, CA 94304
Open in Google Maps ↗

Other Identifiers 1

Medicare UPINA52825CA

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. Barbara R Sommer 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94304 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$206.04 typical visit price
range $70.37 – $206.04
Typical copayment $51.51 (range $17.59 – $51.51)
Most-billed visit code 99205
Established Patient
$86.56 typical visit price
range $23.96 – $169.60
Typical copayment $21.64 (range $5.99 – $42.40)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

76.5/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality74.31
Promoting Interoperability100
Improvement Activities40
Cost43.95

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. MICHAEL C GADBAW MD
Psychiatry & Neurology (Psychiatry)
401 QUARRY RD
PALO ALTO, CA 94304
Santa Clara County (650) 725-2769
DIANA NARANJO PHD
Psychologist (Clinical)
401 QUARRY RD, CHILD AND ADOLESCENT PSYCHIATRY
PALO ALTO, CA 94304
Santa Clara County (650) 723-5511
SUDIPTHO RISHI PAUL
Student in an Organized Health Care Education/Training Program
401 QUARRY RD
PALO ALTO, CA 94304
Santa Clara County (650) 725-5591
TRAM NGUYEN MD
Psychiatry & Neurology (Psychiatry)
401 QUARRY RD
PALO ALTO, CA 94304
Santa Clara County (506) 723-5511
DR. JULIE H SUTCLIFFE PSYD
Psychologist (Clinical)
401 QUARRY RD
PALO ALTO, CA 94304
Santa Clara County (415) 676-7177
ELVIS-RAYMOND MUKWIKWI
Psychiatry & Neurology (Geriatric Psychiatry)
401 QUARRY RD
PALO ALTO, CA 94304
Santa Clara County (650) 723-6643
PHILIP BENJAMIN CAWKWELL MD
Psychiatry & Neurology (Psychiatry)
401 QUARRY RD
PALO ALTO, CA 94304
Santa Clara County (650) 564-4283
DAVID DUPEE
Psychiatry & Neurology (Psychiatry)
401 QUARRY RD
PALO ALTO, CA 94304
Santa Clara County (650) 725-5591

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 Barbara Sommer's NPI number?

The NPI number for Barbara Sommer is 1881729093. It was assigned to this individual provider in the NPPES registry on February 21, 2007.

Where is Barbara Sommer located?

Barbara Sommer practices at 401 Quarry Rd Room 2338, Palo Alto, CA 94304. The listed phone number is (650) 723-8567.

What is Barbara Sommer's specialty?

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

Is Barbara Sommer enrolled in Medicare?

Yes. Barbara Sommer is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Barbara Sommer 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.