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MARCIA ELANA ELFENBAUM M.D.
NPI 1184640583
Physical Medicine & Rehabilitation - Pain Medicine in San Diego, CA

Active since July 15, 2006PECOS Enrolled
9246 LIGHTWAVE AVE SUITE 120, SAN DIEGO, CA 92123(800) 270-5016(800) 680-3626 Get Directions Write a Review

NPPES record last updated: February 4, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Marcia Elana Elfenbaum M.d. NPPES

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

MARCIA ELANA ELFENBAUM M.D. (NPI 1184640583) is an individual pain medicine provider in San Diego, California, licensed in California (A63369) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1184640583
Entity TypeIndividualFemale
Primary Taxonomy2081P2900X
Provider Legal NameMARCIA ELANA ELFENBAUMCredential: M.D.
Location Address9246 LIGHTWAVE AVE SUITE 120San Diego, CA 92123
Mailing AddressPo Box 927854San Diego, CA 92192-7854
Phone(800) 270-5016
Fax(800) 680-3626
Sole ProprietorYes
Enumeration DateJuly 15, 2006
Last NPPES UpdateFebruary 4, 2026
NPPES CertifiedFebruary 4, 2026
✔ NPI 1184640583 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysical Medicine & Rehabilitation · Pain MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2081P2900X
License✔ Licensed in CA · A63369
Definition
A physician who provides a high level of care, either as a primary physician or consultant, for patients experiencing problems with acute, chronic or cancer pain in both hospital and ambulatory settings. Patient care needs may also be coordinated with other specialists.
9246 LIGHTWAVE AVE SUITE 120, San Diego, CA 92123
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Other Identifiers 1

Medicaid00A633690CA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Marcia Elana Elfenbaum M.d. 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.

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 Marcia Elfenbaum's NPI number?

The NPI number for Marcia Elfenbaum is 1184640583. It was assigned to this individual provider in the NPPES registry on July 15, 2006.

Where is Marcia Elfenbaum located?

Marcia Elfenbaum practices at 9246 Lightwave Ave Suite 120, San Diego, CA 92123. The listed phone number is (800) 270-5016.

What is Marcia Elfenbaum's specialty?

The primary specialty registered for this NPI is Physical Medicine & Rehabilitation, specializing in Pain Medicine, with taxonomy code 2081P2900X.

Is Marcia Elfenbaum enrolled in Medicare?

Yes. Marcia Elfenbaum is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Marcia Elfenbaum was last updated on February 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.