MARC A TAMAROFF MD
NPI 1831167857
Allergy & Immunology in Long Beach, CA

Active since March 08, 2006PECOS Enrolled
3816 WOODRUFF AVE, SUITE 209, LONG BEACH, CA 90808(562) 496-4749(562) 429-3329 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Marc A Tamaroff Md NPPES

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

MARC A TAMAROFF MD (NPI 1831167857) is an individual allergy & immunology provider in Long Beach, California, licensed in California (A84131) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1831167857
Entity TypeIndividualMale
Primary Taxonomy207K00000X
Provider Legal NameMARC A TAMAROFFCredential: MD
Location Address3816 WOODRUFF AVE, SUITE 209Long Beach, CA 90808-2147
Mailing Address3816 Woodruff Ave, Suite 209Long Beach, CA 90808-2145 · (562) 496-4749 · Fax (562) 429-3329
Fax(562) 429-3329
Sole ProprietorNo
Enumeration DateMarch 8, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1831167857 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAllergy & ImmunologyAllopathic & Osteopathic Physicians
Taxonomy Code207K00000X
License✔ Licensed in CA · A84131
Definition
An allergist-immunologist is trained in evaluation, physical and laboratory diagnosis, and management of disorders involving the immune system. Selected examples of such conditions include asthma, anaphylaxis, rhinitis, eczema, and adverse reactions to drugs, foods, and insect stings as well as immune deficiency diseases (both acquired and congenital), defects in host defense, and problems related to autoimmune disease, organ transplantation, or malignancies of the immune system.
3816 WOODRUFF AVE, Long Beach, CA 90808

Other Identifiers 1

OtherZZZ22603ZCA · Blue Shield

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Marc A Tamaroff 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 Marc Tamaroff reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Allergy & Immunology
3816 WOODRUFF AVE, SUITE 209
Long Beach, CA 90808
  • Reassigned Medicare billing, California enrollment
  • 3 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.

Podiatrist
3816 WOODRUFF AVE, STE 302
LONG BEACH, CA 90808
Physical Therapist
3816 WOODRUFF AVE, #407
LONG BEACH, CA 90808
Pathology (Anatomic Pathology & Clinical Pathology)
3816 WOODRUFF AVE, STE 104
LONG BEACH, CA 90808
Physical Therapist
3816 WOODRUFF AVE, #407
LONG BEACH, CA 90808
Family Medicine
3816 WOODRUFF AVE, #406
LONG BEACH, CA 90808
Internal Medicine
3816 WOODRUFF AVE, SUITE 412
LONG BEACH, CA 90808
Family Medicine
3816 WOODRUFF AVE, SUITE 312
LONG BEACH, CA 90808
Physician Assistant
3816 WOODRUFF AVE
LONG BEACH, CA 90808

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 Marc Tamaroff's NPI number?

The NPI number for Marc Tamaroff is 1831167857. It was assigned to this individual provider in the NPPES registry on March 8, 2006.

Where is Marc Tamaroff located?

Marc Tamaroff practices at 3816 Woodruff Ave Suite 209, Long Beach, CA 90808. The listed phone number is (562) 496-4749.

What is Marc Tamaroff's specialty?

The primary specialty registered for this NPI is Allergy & Immunology with taxonomy code 207K00000X.

Is Marc Tamaroff enrolled in Medicare?

Yes. Marc Tamaroff is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Marc Tamaroff's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Marc Tamaroff reassigns Medicare benefits to Beach Allergy & Asthma Specialty Group (Long Beach, 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 Marc Tamaroff'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 Marc Tamaroff 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 3 months 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.