NOAH J. FRIEDMAN MD
NPI 1336208933
Allergy & Immunology - Allergy in San Diego, CA

Active since December 08, 2006PECOS Enrolled
4647 ZION AVE, SAN DIEGO, CA 92120(619) 528-5000 Get Directions Write a Review

NPPES record last updated: November 22, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Noah J. Friedman Md NPPES

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

NOAH J. FRIEDMAN MD (NPI 1336208933) is an individual allergy provider in San Diego, California, licensed in California (G71320) and active in the NPI registry since December 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1336208933
Entity TypeIndividualMale
Primary Taxonomy207KA0200X
Provider Legal NameNOAH J. FRIEDMANCredential: MD
Location Address4647 ZION AVESan Diego, CA 92120-2507
Mailing Address4647 Zion AveSan Diego, CA 92120-2507 · (619) 528-5000
Sole ProprietorNo
Enumeration DateDecember 8, 2006
Last NPPES UpdateNovember 22, 2021
✔ NPI 1336208933 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAllergy & Immunology · AllergyAllopathic & Osteopathic Physicians
Taxonomy Code207KA0200X
License✔ Licensed in CA · G71320
Definition
A physician who specializes in the diagnosis, treatment, and management of allergies. Source: National Uniform Claim Committee
4647 ZION AVE, San Diego, CA 92120

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Noah J. Friedman Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Noah Friedman reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Health Maintenance Organization
4647 ZION AVE
San Diego, CA 92120
  • Reassigned Medicare billing, California enrollment
  • Also billed through NPI 1023425972 (California)
  • 13,921 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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.

Obstetrics & Gynecology
4647 ZION AVE
SAN DIEGO, CA 92120
Internal Medicine (Infectious Disease)
4647 ZION AVE
SAN DIEGO, CA 92120
Internal Medicine
4647 ZION AVE, DEPARTMENT OF HOSPITAL MEDICINE
SAN DIEGO, CA 92120
Pharmacist
4647 ZION AVE
SAN DIEGO, CA 92120
Nurse Anesthetist, Certified Registered
4647 ZION AVE
SAN DIEGO, CA 92120
Social Worker (Clinical)
4647 ZION AVE
SAN DIEGO, CA 92120
Internal Medicine (Pulmonary Disease)
4647 ZION AVE
SAN DIEGO, CA 92120
Internal Medicine (Infectious Disease)
4647 ZION AVE
SAN DIEGO, CA 92120

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 Noah Friedman's NPI number?

The NPI number for Noah Friedman is 1336208933. It was assigned to this individual provider in the NPPES registry on December 8, 2006.

Where is Noah Friedman located?

Noah Friedman practices at 4647 Zion Ave, San Diego, CA 92120. The listed phone number is (619) 528-5000.

What is Noah Friedman's specialty?

The primary specialty registered for this NPI is Allergy & Immunology, specializing in Allergy, with taxonomy code 207KA0200X.

Is Noah Friedman enrolled in Medicare?

Yes. Noah Friedman is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Noah Friedman's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Noah Friedman reassigns Medicare benefits to Southern California Permanente Medical Group (San Diego, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Noah Friedman's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Noah Friedman was last updated on November 22, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.