What is Barbara Sommer's NPI number?

Barbara Sommer's National Provider Identifier (NPI) is 1881729093, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Barbara Sommer's specialty?

Barbara Sommer is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).

Where is Barbara Sommer located?

Barbara Sommer's practice location on file with NPPES is 401 Quarry Rd, Palo Alto, CA 94304-1419.

What is Barbara Sommer's phone number?

The practice phone number listed in the NPPES registry for Barbara Sommer is (650) 723-8567.

Is Barbara Sommer's NPI active?

Yes — Barbara Sommer's NPI (1881729093) is active in the NPPES registry as of the last update on 2007-07-08.

IndividualActive

Barbara Sommer, MD

NPI 1881729093 · Psychiatry Physician · Palo Alto, CA

Barbara Sommer, MD is a Psychiatry Physician provider in Palo Alto, CA (NPI 1881729093).

Provider details

NPI number: 1881729093
Entity type: Individual
Primary specialty: Psychiatry PhysicianAllopathic & Osteopathic Physicians
Credential: MD
Sex: Female
Sole proprietor: No
License: G54905 (CA)

Specialties & taxonomies

Psychiatry PhysicianPrimary2084P0800XLicense G54905 (CA)
Allopathic & Osteopathic Physicians

Profile Score

Detailed profile(89/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
19 yrs in NPPES registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
1 documented practice location

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Practice location

401 Quarry Rd

Room 2338

Palo Alto, CA 94304-1419

Phone: (650) 723-8567

Fax: (650) 725-3762

Street-level locationGet directions

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Mailing address