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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.

MARK H DIAMOND MD
NPI 1609825421
Radiology - Diagnostic Radiology in Redondo Beach, CA

Active since May 09, 2006
502 TORRANCE BLVD, REDONDO BEACH, CA 90277(310) 316-0811 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Mark H Diamond Md NPPES

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

MARK H DIAMOND MD (NPI 1609825421) is an individual diagnostic radiology provider in Redondo Beach, California, licensed in California (G67025) and active in the NPI registry since May 2006.

NPPES Registry Identity

NPI1609825421
Entity TypeIndividualMale
Primary Taxonomy2085R0202X
Provider Legal NameMARK H DIAMONDCredential: MD
Location Address502 TORRANCE BLVDRedondo Beach, CA 90277-3413
Mailing Address502 Torrance BlvdRedondo Beach, CA 90277-3413 · (310) 316-0811
Phone(310) 316-0811
Sole ProprietorNo
Enumeration DateMay 9, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1609825421 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0202X
License✔ Licensed in CA · G67025
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
502 TORRANCE BLVD, Redondo Beach, CA 90277
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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.

JUDY CHEN M.D.
Family Medicine
502 TORRANCE BLVD
REDONDO BEACH, CA 90277
Los Angeles County (310) 316-0811
AMIE NGUYEN SCHWEIS MD
Internal Medicine (Allergy & Immunology)
502 TORRANCE BLVD
REDONDO BEACH, CA 90277
Los Angeles County (310) 316-0811
DR. RAKHI RAM MD
Radiology (Diagnostic Radiology)
502 TORRANCE BLVD
REDONDO BEACH, CA 90277
Los Angeles County (310) 214-0811
DR. TERESA KANE NAKASHIMA M.D.
Family Medicine
502 TORRANCE BLVD
REDONDO BEACH, CA 90277
Los Angeles County (310) 792-3644
DR. JOSHUA MICHAEL IAN DAVIDSON M.D., M.P.H.
Allergy & Immunology
502 TORRANCE BLVD
REDONDO BEACH, CA 90277
Los Angeles County (310) 792-8393
DENNIS TAO HUANG MD
Psychiatry & Neurology (Neurology)
502 TORRANCE BLVD
REDONDO BEACH, CA 90277
Los Angeles County (310) 316-0811
MRS. LUDMILA T PYTER MD
Family Medicine
502 TORRANCE BLVD
REDONDO BEACH, CA 90277
Los Angeles County (310) 316-0811
DR. STANFORD KEI MATSUNO MD
Family Medicine
502 TORRANCE BLVD
REDONDO BEACH, CA 90277
Los Angeles County (310) 792-3644

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 Mark Diamond's NPI number?

The NPI number for Mark Diamond is 1609825421. It was assigned to this individual provider in the NPPES registry on May 9, 2006.

Where is Mark Diamond located?

Mark Diamond practices at 502 Torrance Blvd, Redondo Beach, CA 90277. The listed phone number is (310) 316-0811.

What is Mark Diamond's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

When was this NPI record last updated?

The NPPES record for Mark Diamond 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 41 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.