What is Erik Sowder's NPI number?

Erik Sowder's National Provider Identifier (NPI) is 1366770703, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Erik Sowder's specialty?

Erik Sowder is listed in the NPPES registry with a primary specialty of Cognitive & Behavioral Psychologist (Behavioral Health & Social Service Providers).

Where is Erik Sowder located?

Erik Sowder's practice location on file with NPPES is 110 Gardenside Dr Apt 501, San Francisco, CA 94131-1377.

What is Erik Sowder's phone number?

The practice phone number listed in the NPPES registry for Erik Sowder is (707) 369-2315.

Does Erik Sowder accept Medicare?

Erik Sowder is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.

Is Erik Sowder's NPI active?

Yes — Erik Sowder's NPI (1366770703) is active in the NPPES registry as of the last update on 2025-12-08.

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Erik Sowder, PH.D.

NPI 1366770703 · Cognitive & Behavioral Psychologist · San Francisco, CA

Erik Sowder, PH.D. is a Cognitive & Behavioral Psychologist provider in San Francisco, CA (NPI 1366770703).

Provider details

NPI number: 1366770703
Entity type: Individual
Primary specialty: Cognitive & Behavioral PsychologistBehavioral Health & Social Service Providers
Credential: PH.D.
Sex: Male
Sole proprietor: Yes

Practice location

110 Gardenside Dr Apt 501

San Francisco, CA 94131-1377

Phone: (707) 369-2315

Street-level locationGet directions

More CA providers

Mailing address

110 Gardenside Dr Apt 501

San Francisco, CA 94131-1377

Specialties & taxonomies

Cognitive & Behavioral PsychologistPrimary103TB0200X
Behavioral Health & Social Service Providers

Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)

Profile Score

Detailed profile(79/100 index)

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

Registry tenure38% of score
16 yrs in NPPES registry
Profile completeness38% of score
83% 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.

Enumerated: 2009-11-23
Last updated: 2025-12-08
Certified: 2025-12-08

Frequently asked questions

What is Erik Sowder's NPI number?: Erik Sowder's National Provider Identifier (NPI) is 1366770703, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Erik Sowder's specialty?: Erik Sowder is listed in the NPPES registry with a primary specialty of Cognitive & Behavioral Psychologist (Behavioral Health & Social Service Providers).
Where is Erik Sowder located?: Erik Sowder's practice location on file with NPPES is 110 Gardenside Dr Apt 501, San Francisco, CA 94131-1377.
What is Erik Sowder's phone number?: The practice phone number listed in the NPPES registry for Erik Sowder is (707) 369-2315.
Does Erik Sowder accept Medicare?: Erik Sowder is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
Is Erik Sowder's NPI active?: Yes — Erik Sowder's NPI (1366770703) is active in the NPPES registry as of the last update on 2025-12-08.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

Registry dates

Frequently asked questions

Specialties & taxonomies

Profile Score

Frequently asked questions