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HARRISON JACOB ALTER MD
NPI 1972584415
Emergency Medicine in Oakland, CA

Active since November 10, 2005
1404 FRANKLIN ST STE 200, OAKLAND, CA 94612(510) 891-8950(510) 832-2104 Get Directions Write a Review

NPPES record last updated: June 9, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Harrison Jacob Alter Md NPPES

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

HARRISON JACOB ALTER MD (NPI 1972584415) is an individual emergency medicine provider in Oakland, California, licensed in California (G80744) and active in the NPI registry since November 2005.

NPPES Registry Identity

NPI1972584415
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameHARRISON JACOB ALTERCredential: MD
Location Address1404 FRANKLIN ST STE 200Oakland, CA 94612-3208
Mailing Address1511 Grant StBerkeley, CA 94703-1133 · (510) 225-8406
Phone(510) 891-8950
Fax(510) 832-2104
Sole ProprietorNo
Enumeration DateNovember 10, 2005
Last NPPES UpdateJune 9, 2025
NPPES CertifiedJune 9, 2025
✔ NPI 1972584415 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in CA · G80744
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
1404 FRANKLIN ST STE 200, Oakland, CA 94612
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Other Identifiers 1

Medicaid00G807440CA

Other Providers at the Same Location NPPES 9

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

YVONNE LEAVITT REGISTERED NURSE
Registered Nurse
1404 FRANKLIN ST STE 200
OAKLAND, CA 94612
Alameda County (831) 331-3464
CELESTE DE LEON-PEREY
Social Worker
1404 FRANKLIN ST STE 200
OAKLAND, CA 94612
Alameda County (510) 891-8922
EMMANUEL CARLOS MEJIA REGISTERED NURSE
Registered Nurse (Community Health)
1404 FRANKLIN ST STE 200
OAKLAND, CA 94612
Alameda County (510) 529-5352
DAVID WILLIAM MODERSBACH
Community Health Worker
1404 FRANKLIN ST STE 200
OAKLAND, CA 94612
Alameda County (510) 891-8916
MRS. KATRINA MARTIN
Case Manager/Care Coordinator
1404 FRANKLIN ST STE 200
OAKLAND, CA 94612
Alameda County (510) 891-8950
MS. BRITTANEY LEIDIG-JEFFERSON
Case Manager/Care Coordinator
1404 FRANKLIN ST STE 200
OAKLAND, CA 94612
Alameda County (707) 396-9166
COUNTY OF ALAMEDA
Community/Behavioral Health
1404 FRANKLIN ST STE 200
OAKLAND, CA 94612
Alameda County (510) 891-8926
DIANE DEL POZO RN, PHN
Registered Nurse (Community Health)
1404 FRANKLIN ST STE 200
OAKLAND, CA 94612
Alameda County (510) 891-8950

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 Harrison Alter's NPI number?

The NPI number for Harrison Alter is 1972584415. It was assigned to this individual provider in the NPPES registry on November 10, 2005.

Where is Harrison Alter located?

Harrison Alter practices at 1404 Franklin St Ste 200, Oakland, CA 94612. The listed phone number is (510) 891-8950.

What is Harrison Alter's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

When was this NPI record last updated?

The NPPES record for Harrison Alter was last updated on June 9, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 months 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.