1. Home
  2. Directory
  3. California
  4. Torrance
  5. Surgery
  6. NPI Profile
Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

JOHN PATRICK MCNAMARA M.D.
NPI 1972550473
Surgery - Vascular Surgery in Torrance, CA

Active since May 28, 2006
23451 MADISON ST, SUITE #340, TORRANCE, CA 90505(310) 373-6864(310) 791-8325 Get Directions Write a Review

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

About John Patrick Mcnamara M.d. NPPES

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

JOHN PATRICK MCNAMARA M.D. (NPI 1972550473) is an individual vascular surgery provider in Torrance, California, licensed in California (C38323) and active in the NPI registry since May 2006.

NPPES Registry Identity

NPI1972550473
Entity TypeIndividualMale
Primary Taxonomy2086S0129X
Provider Legal NameJOHN PATRICK MCNAMARACredential: M.D.
Location Address23451 MADISON ST, SUITE #340Torrance, CA 90505-4763
Mailing Address23451 Madison St, Suite #340Torrance, CA 90505-4763 · (310) 373-6864 · Fax (310) 791-8325
Phone(310) 373-6864
Fax(310) 791-8325
Sole ProprietorNo
Enumeration DateMay 28, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1972550473 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgery · Vascular SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code2086S0129X
License✔ Licensed in CA · C38323
Definition
A surgeon with expertise in the management of surgical disorders of the blood vessels, excluding the intracranial vessels or the heart.
23451 MADISON ST, Torrance, CA 90505
Open in Google Maps ↗

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.

BLISS MEDICAL GROUP, P.C.
Family Medicine
23451 MADISON ST, SUITE 250
TORRANCE, CA 90505
Los Angeles County (310) 791-0083
TORRANCE NEUROSCAN MEDICAL GROUP
Psychiatry & Neurology (Neurology)
23451 MADISON ST, 205
TORRANCE, CA 90505
Los Angeles County (310) 373-9944
CARDIAC, THORACIC, AND VASCULAR SURGEONS OF THE SOUTH BAY
Thoracic Surgery (Cardiothoracic Vascular Surgery)
23451 MADISON ST, SUITE 300
TORRANCE, CA 90505
Los Angeles County (310) 378-7373
DR. CARL WAGREICH D.P.M.
Podiatrist (Foot & Ankle Surgery)
23451 MADISON ST, STE 230
TORRANCE, CA 90505
Los Angeles County (310) 373-0521
KATHERINE EUNJU LEE M.D., F.A.A.F.P
Family Medicine
23451 MADISON ST, STE 250
TORRANCE, CA 90505
Los Angeles County (310) 791-0083
JANELLE ROBLES MACASIEB PA-C
Physician Assistant
23451 MADISON ST, SUITE 290
TORRANCE, CA 90505
Los Angeles County (310) 375-1246
AMIR KAVIANI M.D.
Surgery (Vascular Surgery)
23451 MADISON ST, SUITE #340
TORRANCE, CA 90505
Los Angeles County (310) 373-6864
JASON PHAN DDS INC.
Dentist (Endodontics)
23451 MADISON ST, STE 210
TORRANCE, CA 90505
Los Angeles County (310) 378-8342

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 John Mcnamara's NPI number?

The NPI number for John Mcnamara is 1972550473. It was assigned to this individual provider in the NPPES registry on May 28, 2006.

Where is John Mcnamara located?

John Mcnamara practices at 23451 Madison St Suite #340, Torrance, CA 90505. The listed phone number is (310) 373-6864.

What is John Mcnamara's specialty?

The primary specialty registered for this NPI is Surgery, specializing in Vascular Surgery, with taxonomy code 2086S0129X.

When was this NPI record last updated?

The NPPES record for John Mcnamara 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 37 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.