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NATHANIEL MORRIS
NPI 1972966406
Psychiatry & Neurology - Psychiatry in San Quentin, CA

Active since April 01, 2016
1 MAIN ST, SAN QUENTIN, CA 94964(415) 454-1460 Get Directions Write a Review

NPPES record last updated: June 18, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Aug 13, 2021, Jan 28, 2021, Dec 6, 2017 and 1 more (4 updates tracked since 2016).

About Nathaniel Morris NPPES

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

NATHANIEL MORRIS (NPI 1972966406) is an individual psychiatry provider in San Quentin, California, licensed in California (A151672) and active in the NPI registry since April 2016.

NPPES Registry Identity

NPI1972966406
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameNATHANIEL MORRIS
Location Address1 MAIN STSan Quentin, CA 94964-1000
Mailing Address1 Main StSan Quentin, CA 94964-1000
Phone(415) 454-1460
Sole ProprietorNo
Enumeration DateApril 1, 2016
Last NPPES UpdateJune 18, 20264 updates tracked since enumeration
NPPES CertifiedJune 18, 2026
✔ NPI 1972966406 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 · A151672
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.
1 MAIN ST, San Quentin, CA 94964
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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. DENISE C ALABART REYES M.D.
Family Medicine
1 MAIN ST
SAN QUENTIN, CA 94964
Marin County (415) 454-1460
TOTAL RENAL CARE INC
Clinic/Center (End-Stage Renal Disease (ESRD) Treatment)
1 MAIN ST
SAN QUENTIN, CA 94964
Marin County (415) 444-0376
KAREN LIPPMAN PSY.D.
Psychologist
1 MAIN ST
SAN QUENTIN, CA 94964
Marin County (415) 454-1460
DR. STEVEN CHARLES GIBBS MD
Psychiatry & Neurology (Psychiatry)
1 MAIN ST, CALIFORNIA STATE PRISON, MENTAL HEALTH DEPT.
SAN QUENTIN, CA 94964
Marin County (415) 454-1460
DR. DAVID AITKEN JR. PSY.D.
Psychologist (Clinical)
1 MAIN ST
SAN QUENTIN, CA 94964
Marin County (415) 454-1460
SARAH DEWEESE PSYD
Psychologist
1 MAIN ST, SAN QUENTIN STATE PRISON
SAN QUENTIN, CA 94964
Marin County (415) 454-1460
DR. ROBERT STEINER PH.D
Psychologist
1 MAIN ST, CHSB RM 2123
SAN QUENTIN, CA 94964
Marin County (415) 454-1460
JUDY M. WICK LCSW
Social Worker (Clinical)
1 MAIN ST
SAN QUENTIN, CA 94964
Marin County (415) 454-1460

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 Nathaniel Morris's NPI number?

The NPI number for Nathaniel Morris is 1972966406. It was assigned to this individual provider in the NPPES registry on April 1, 2016.

Where is Nathaniel Morris located?

Nathaniel Morris practices at 1 Main St, San Quentin, CA 94964. The listed phone number is (415) 454-1460.

What is Nathaniel Morris's specialty?

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

When was this NPI record last updated?

The NPPES record for Nathaniel Morris was last updated on June 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 60 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.