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DR. RONALD JEFFERSON M.D.
NPI 1730389800
General Practice in Los Angeles, CA

Active since July 18, 2007
4211 AVALON BLVD, LOS ANGELES, CA 90011(323) 432-5185 Get Directions Write a Review

NPPES record last updated: July 18, 2007. Verified against the NPPES registry weekly; last sync: August 23, 2026.

About Dr. Ronald Jefferson M.d. NPPES

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

DR. RONALD JEFFERSON M.D. (NPI 1730389800) is an individual general practice provider in Los Angeles, California, licensed in California (G29488) and active in the NPI registry since July 2007.

NPPES Registry Identity

NPI1730389800
Entity TypeIndividualMale
Primary Taxonomy208D00000X
Provider Legal NameDR. RONALD JEFFERSONCredential: M.D.
Location Address4211 AVALON BLVDLos Angeles, CA 90011-5622
Mailing Address5943 Ocean Terrace DrRancho Palos Verdes, CA 90275-5756 · (310) 668-4213
Phone(323) 432-5185
Sole ProprietorNo
Enumeration DateJuly 18, 2007
✔ NPI 1730389800 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyGeneral PracticeAllopathic & Osteopathic Physicians
Taxonomy Code208D00000X
License✔ Licensed in CA · G29488
Definition
A physician who specializes in the general practice of diagnosing, treating, and managing patients with a variety of illnesses and conditions. Source: National Uniform Claim Committee
4211 AVALON BLVD, Los Angeles, CA 90011
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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.

ANGEL MARTIN
Registered Nurse
4211 AVALON BLVD
LOS ANGELES, CA 90011
Los Angeles County (323) 432-5185
MICHELLE OUATTARA
Occupational Therapist (Mental Health)
4211 AVALON BLVD
LOS ANGELES, CA 90011
Los Angeles County (323) 432-5080
ALEXANDER JERROD BLACK ACSW
Social Worker (Clinical)
4211 AVALON BLVD
LOS ANGELES, CA 90011
Los Angeles County (323) 233-0425
BRIANNA FONSECA
Social Worker
4211 AVALON BLVD
LOS ANGELES, CA 90011
Los Angeles County (323) 233-0425
JESSE VELAZQUEZ
Social Worker
4211 AVALON BLVD
LOS ANGELES, CA 90011
Los Angeles County (323) 233-0425
DR. KIERSTEN TAYLOR PHARMD
Pharmacist (Psychiatric)
4211 AVALON BLVD
LOS ANGELES, CA 90011
Los Angeles County (323) 233-0425
NNEKA PATRICIA NJOKU
Nurse Practitioner (Psychiatric/Mental Health)
4211 AVALON BLVD
LOS ANGELES, CA 90011
Los Angeles County (323) 233-0425
DR. YVORN ASWAD MD
Psychiatry & Neurology (Child & Adolescent Psychiatry)
4211 AVALON BLVD
LOS ANGELES, CA 90011
Los Angeles County (323) 582-2251

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 Ronald Jefferson's NPI number?

The NPI number for Ronald Jefferson is 1730389800. It was assigned to this individual provider in the NPPES registry on July 18, 2007.

Where is Ronald Jefferson located?

Ronald Jefferson practices at 4211 Avalon Blvd, Los Angeles, CA 90011. The listed phone number is (323) 432-5185.

What is Ronald Jefferson's specialty?

The primary specialty registered for this NPI is General Practice with taxonomy code 208D00000X.

When was this NPI record last updated?

The NPPES record for Ronald Jefferson was last updated on July 18, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.