C. STIRLING SOMERS
NPI 1003476516
Counselor in San Francisco, CA

Q: What is C. Stirling Somers's NPI number?

The NPI number for C. Stirling Somers is 1003476516. It was assigned to this individual provider in the NPPES registry on June 17, 2019.

Q: What is C. Stirling Somers's specialty?

The primary specialty registered for this NPI is Counselor with taxonomy code 101Y00000X.

Q: Is C. Stirling Somers enrolled in Medicare?

No. C. Stirling Somers has opted out of Medicare through January 1, 2028. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out.

Active since June 17, 2019Opted out of Medicare · through Jan 1, 2028

1001 POTRERO AVE, SAN FRANCISCO, CA 94110(415) 206-5270(415) 206-4722 Get Directions Write a Review

NPPES record last updated: August 3, 2019. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Aug 3, 2019, Jun 17, 2019 (2 updates tracked since 2019).

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About C. Stirling Somers NPPES

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

C. STIRLING SOMERS (NPI 1003476516) is an individual counselor in San Francisco, California and active in the NPI registry since June 2019. She has opted out of Medicare through January 1, 2028.

NPPES Registry Identity

NPI1003476516

Entity TypeIndividualFemale

Primary Taxonomy101Y00000X

Provider Legal NameC. STIRLING SOMERS

Location Address1001 POTRERO AVESan Francisco, CA 94110-3518

Mailing Address1001 Potrero AveSan Francisco, CA 94110-3518 · (415) 206-5270 · Fax (415) 206-4722

Phone(415) 206-5270

Fax(415) 206-4722

Sole ProprietorNo

Enumeration DateJune 17, 2019

Last NPPES UpdateAugust 3, 20192 updates tracked since enumeration

✔ NPI 1003476516 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselorBehavioral Health & Social Service Providers

Taxonomy Code101Y00000X

Definition

A provider who is trained and educated in the performance of behavior health services through interpersonal communications and analysis. Training and education at the specialty level usually requires a master's degree and clinical experience and supervision for licensure or certification.

1001 POTRERO AVE, San Francisco, CA 94110

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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

ⓘ

Opted out of Medicare

C. Stirling Somers 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 January 1, 2024 through January 1, 2028.

Opt-Out Effective DateJanuary 1, 2024

Opt-Out In Effect ThroughJanuary 1, 2028Opt-out affidavits renew automatically every two years unless cancelled

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

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.

ROCIO C AGRAZ-LARA RN, PHN

Registered Nurse

1001 POTRERO AVE, ZSFG BUILDING 90 4TH FLOOR
SAN FRANCISCO, CA 94110

San Francisco County (415) 206-8524

DR. SUSAN WLODARCZYK MD

Student in an Organized Health Care Education/Training Program

1001 POTRERO AVE, BLDG 10, 3RD FLOOR, WARD 13 BOX 1364
SAN FRANCISCO, CA 94110

San Francisco County (415) 206-5164

AMY DINER PSY.D.

Student in an Organized Health Care Education/Training Program

1001 POTRERO AVE
SAN FRANCISCO, CA 94110

San Francisco County (415) 206-5270

CHRISTOPHER RUIZ

Case Manager/Care Coordinator

1001 POTRERO AVE
SAN FRANCISCO, CA 94110

San Francisco County (415) 206-3950

WILLIAM RUSSEL CARPENTER FNP-C

Nurse Practitioner (Family)

1001 POTRERO AVE
SAN FRANCISCO, CA 94110

San Francisco County (628) 206-8000

REGENTS OF THE UNIVERSITY OF CALIFORNIA

Clinical Medical Laboratory

1001 POTRERO AVE, BLDG 100, RM 104
SAN FRANCISCO, CA 94110

San Francisco County (415) 502-4775

DR. DENISE RENEE GONZALEZ MD

Internal Medicine

1001 POTRERO AVE, 1M
SAN FRANCISCO, CA 94110

San Francisco County (415) 206-6075

LENNART MUCKE MD

Psychiatry & Neurology (Neurology)

1001 POTRERO AVE
SAN FRANCISCO, CA 94110

San Francisco County (415) 206-8492

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 C. Stirling Somers's NPI number?

The NPI number for C. Stirling Somers is 1003476516. It was assigned to this individual provider in the NPPES registry on June 17, 2019.

Where is C. Stirling Somers located?

C. Stirling Somers practices at 1001 Potrero Ave, San Francisco, CA 94110. The listed phone number is (415) 206-5270.

What is C. Stirling Somers's specialty?

The primary specialty registered for this NPI is Counselor with taxonomy code 101Y00000X.

Is C. Stirling Somers enrolled in Medicare?

No. C. Stirling Somers has opted out of Medicare through January 1, 2028. 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 C. Stirling Somers was last updated on August 3, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.