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

MR. JAMES PHILIP RIDDEL JR. RN, MS, CPNP
NPI 1942200928
Nurse Practitioner in Oakland, CA

Q: What is James Riddel's NPI number?

The NPI number for James Riddel is 1942200928. It was assigned to this individual provider in the NPPES registry on July 29, 2005.

Q: What is James Riddel's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Q: When was this NPI record last updated?

The NPPES record for James Riddel 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 34 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.

Active since July 29, 2005

747 52ND ST, OAKLAND, CA 94609(510) 428-3853 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Mr. James Philip Riddel Jr. Rn, Ms, Cpnp NPPES

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

MR. JAMES PHILIP RIDDEL JR. RN, MS, CPNP (NPI 1942200928) is an individual nurse practitioner in Oakland, California, licensed in California (RN478430 NP9272) and active in the NPI registry since July 2005.

NPPES Registry Identity

NPI1942200928

Entity TypeIndividualMale

Primary Taxonomy363L00000X

Provider Legal NameMR. JAMES PHILIP RIDDEL JR.Credential: RN, MS, CPNP

Location Address747 52ND STOakland, CA 94609-1809

Mailing Address290 Vernon StOakland, CA 94610-4131 · (510) 451-3818

Phone(510) 428-3853

Sole ProprietorNo

Enumeration DateJuly 29, 2005

Last NPPES UpdateJuly 13, 2026

✔ NPI 1942200928 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363L00000X

License✔ Licensed in CA · RN478430 NP9272

Definition

(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.

747 52ND ST, Oakland, CA 94609

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Other Identifiers 1

OtherNP0092720CA · Medi-cal Provider

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.

MRS. SHERYL LEE GARCIA RN

Registered Nurse (Pediatrics)

747 52ND ST
OAKLAND, CA 94609

Alameda County (510) 428-3885

ERICA TRINGALE N.P,

Nurse Practitioner (Pediatrics)

747 52ND ST
OAKLAND, CA 94609

Alameda County (510) 428-3373

MRS. NATALIE PLOTKIN MS, ACPNP

Pediatrics (Pediatric Hematology-Oncology)

747 52ND ST
OAKLAND, CA 94609

Alameda County (510) 428-3484

REBECCA ROMANOV MD

Pediatrics

747 52ND ST
OAKLAND, CA 94609

Alameda County (510) 428-3331

SHELLEY ANNE BULL CPNP-PC

Nurse Practitioner (Pediatrics)

747 52ND ST
OAKLAND, CA 94609

Alameda County (510) 428-3885

KARIDA ADETORO

Student in an Organized Health Care Education/Training Program

747 52ND ST
OAKLAND, CA 94609

Alameda County (510) 428-3885

ANNIE ROQUE

Nurse Practitioner (Pediatrics)

747 52ND ST
OAKLAND, CA 94609

Alameda County (510) 428-4418

CHILDREN'S HOSPITAL & RESEARCH CENTER AT OAKLAND

General Acute Care Hospital

747 52ND ST
OAKLAND, CA 94609

Alameda County (510) 428-3885

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 James Riddel's NPI number?

The NPI number for James Riddel is 1942200928. It was assigned to this individual provider in the NPPES registry on July 29, 2005.

Where is James Riddel located?

James Riddel practices at 747 52nd St, Oakland, CA 94609. The listed phone number is (510) 428-3853.

What is James Riddel's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

When was this NPI record last updated?

The NPPES record for James Riddel 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 34 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.