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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. S CLAIBORNE JOHNSTON M.D.
NPI 1174568927
Psychiatry & Neurology - Neurology in San Francisco, CA

Active since June 17, 2006
505 PARNASSUS AVE, SAN FRANCISCO, CA 94143(415) 353-1489(415) 476-3428 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 30, 2026.

About Dr. S Claiborne Johnston M.d. NPPES

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

DR. S CLAIBORNE JOHNSTON M.D. (NPI 1174568927) is an individual neurology provider in San Francisco, California, licensed in California (G78788) and active in the NPI registry since June 2006.

NPPES Registry Identity

NPI1174568927
Entity TypeIndividualMale
Primary Taxonomy2084N0400X
Provider Legal NameDR. S CLAIBORNE JOHNSTONCredential: M.D.
Location Address505 PARNASSUS AVESan Francisco, CA 94143-2204
Mailing Address1635 Divisadero Street, Suite 625, Box 1821San Francisco, CA 94143-0001 · (415) 476-4029 · Fax (415) 476-4150
Phone(415) 353-1489
Fax(415) 476-3428
Sole ProprietorNo
Enumeration DateJune 17, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1174568927 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · NeurologyAllopathic & Osteopathic Physicians
Taxonomy Code2084N0400X
License✔ Licensed in CA · G78788
Definition
A Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.
505 PARNASSUS AVE, San Francisco, CA 94143
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Other Identifiers 1

Medicaid00G787880CA

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.

CATHERINE RAMSDELL NNP
Nurse Practitioner (Neonatal)
505 PARNASSUS AVE
SAN FRANCISCO, CA 94143
San Francisco County (415) 353-1000
DR. CLAUDIO ANDRES BRAVO CARRILLO M.D.
Internal Medicine (Advanced Heart Failure and Transplant Cardiology)
505 PARNASSUS AVE
SAN FRANCISCO, CA 94143
San Francisco County (415) 502-4243
MAURICIO JALIFE BUCAY M.D
Hospitalist
505 PARNASSUS AVE
SAN FRANCISCO, CA 94143
San Francisco County (415) 750-4994
EMMA B SHAK M.D.
Student in an Organized Health Care Education/Training Program
505 PARNASSUS AVE
SAN FRANCISCO, CA 94143
San Francisco County (415) 476-1528
DR. ADRIANA A.T. MARTIN M.D., PH.D.
Internal Medicine
505 PARNASSUS AVE
SAN FRANCISCO, CA 94143
San Francisco County (415) 514-7288
WILLIAM JAMES DEARDORFF
Internal Medicine (Geriatric Medicine)
505 PARNASSUS AVE, 15 LONG
SAN FRANCISCO, CA 94143
San Francisco County (415) 406-1417
KEERTHANA REDDY BANALA
Student in an Organized Health Care Education/Training Program
505 PARNASSUS AVE
SAN FRANCISCO, CA 94143
San Francisco County (415) 514-7288
ROBERT CHRISTIAN WENZ
Nurse Anesthetist, Certified Registered
505 PARNASSUS AVE
SAN FRANCISCO, CA 94143
San Francisco County (415) 353-8054

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 S Claiborne Johnston's NPI number?

The NPI number for S Claiborne Johnston is 1174568927. It was assigned to this individual provider in the NPPES registry on June 17, 2006.

Where is S Claiborne Johnston located?

S Claiborne Johnston practices at 505 Parnassus Ave, San Francisco, CA 94143. The listed phone number is (415) 353-1489.

What is S Claiborne Johnston's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.

When was this NPI record last updated?

The NPPES record for S Claiborne Johnston was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 55 days 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.