Marcia Elana Elfenbaum, M.D.

Primary specialty

Pain Medicine (Physical Medicine & Rehabilitation) PhysicianTaxonomy code 2081P2900X

License

A63369 Issued in CA

Practice address

9246 Lightwave Ave Suite 120
San Diego, CA 92123

Phone

(800) 270-5016

Fax

(800) 680-3626

NPI assigned

Jul 15, 2006

Sex

Female

Sole proprietor

Yes

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Enrolled in CA

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: melfenbaum80979@scrippshlth.medalliesdirect.net

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Scripps Health

  • General Acute Care Hospital
  • San Diego, CA
  • NPI 1487928891
  NPD
• Institutes of Health Behavioral Medicine and Medical Psychology Inc.

  • Clinical Psychologist
  • Oceanside, CA
  • NPI 1407392319
  NPD (past)
• Regents of the University of California Ucsd Head and Neck Surgery

  • Otolaryngology Physician
  • San Diego, CA
  • NPI 1679509962
  NPD (past)

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1152921600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1770163200000",
    "number": "1184640583",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 927854",
            "city": "SAN DIEGO",
            "state": "CA",
            "postal_code": "921927854"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "9246 LIGHTWAVE AVE SUITE 120",
            "city": "SAN DIEGO",
            "state": "CA",
            "postal_code": "92123",
            "telephone_number": "800-270-5016",
            "fax_number": "800-680-3626"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ELFENBAUM",
        "first_name": "MARCIA",
        "middle_name": "ELANA",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2006-07-15",
        "last_updated": "2026-02-04",
        "certification_date": "2026-02-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2081P2900X",
            "taxonomy_group": "",
            "desc": "Physical Medicine & Rehabilitation, Pain Medicine",
            "state": "CA",
            "license": "A63369",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "00A633690",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Kameron Elenz-Martin, M.A., B.C.B.A.
• Elephant Republic, LLC
• Ronald L. Elesh, M.D.
• Elevaba
• Elevation Supply Group LLC
• Morgan Denise Elfstrom
• Robert Alan Elftman
• Elg Home Health Care
• Ashley Elgas, DPT
• Kathleen S Elgas, OTR

• Pain Medicine (Physical Medicine & Rehabilitation) Physician in San Diego, CA
• Providers in San Diego, CA by specialty
• Pain Medicine (Physical Medicine & Rehabilitation) Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 4, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.