Individual provider Active NPI

Louis M Zucker, MD

  • Rheumatology Physician
  • Los Angeles, CA
National Provider Identifier
1124128145
Registry record updated Jan 17, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Rheumatology PhysicianTaxonomy code 207RR0500X
License
G10927 Issued in CA
Practice address
1025 W Olympic Blvd
Los Angeles, CA 90015-1329
Phone
(213) 623-2225
Fax
(213) 861-5859
NPI assigned
Sep 22, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jan 17, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Rheumatology Physician 207RR0500X G10927 CA Primary

Addresses

Primary practice location

1025 W Olympic Blvd
Los Angeles, CA 90015-1329

Mailing address

PO Box 35380
Las Vegas, NV 89133-5380
Phone (702) 579-3203

Other practice location 1

1120 W Washington Blvd
Los Angeles, CA 90015-3316
Phone (213) 623-2225

Medicare participation

Medicare enrollment files
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

Enrollment IDStateProvider typePAC IDDetails
I20040512001676 CA Practitioner - RheumatologyPractitioner - Internal Medicine 6305836396 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
RheumatologyAlso: Internal Medicine
Education
University of Southern California Keck School of Medicine, 1964
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Healthcare Partners Affiliates Medical GroupGroup PAC ID 7315842002, 775 clinicians

Practice addresses (Care Compare)

1120 W Washington Blvd
Los Angeles, CA 90015-3316
Phone (213) 623-2225

1236 N Magnolia Ave
Anaheim, CA 92801-2607
Phone (714) 995-1000

824 E Carson St
Suite 104
Carson, CA 90745-2262
Phone (310) 830-9706

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
G10927CAMDRheumatology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Healthcare Partners Affiliates Medical Group Current Accepting new patients
Healthcare Partners Affiliates Medical Group CurrentSince Jun 25, 2003 Accepting new patients
Healthcare Partners Affiliates Medical Group CurrentSince Jun 25, 2003 Accepting new patients
Memorial Medical Group Inc Past Accepting new patients

Locations

1236 N Magnolia Ave
Anaheim, CA 92801
Phone (714) 995-1000

5957 W Ramsey St
Banning, CA 92220
Phone (951) 845-8864

2910 Jefferson St
Ste 100
Carlsbad, CA 92008
Phone (760) 729-8600

824 E Carson St
Ste 104
Carson, CA 90745
Phone (310) 830-9706

1045 W Redondo Beach Blvd
Fl 3
Gardena, CA 90247
Phone (310) 352-4170

716 W Broadway
Glendale, CA 91204
Phone (818) 243-9999

1120 W Washington Blvd
Los Angeles, CA 90015
Phone (213) 623-2225

1025 W Olympic Blvd
Los Angeles, CA 90015
Phone (213) 623-2225

880 S Atlantic Blvd
Ste 101
Monterey Park, CA 91754
Phone (626) 281-6969

401 S Fair Oaks Ave
Pasadena, CA 91105
Phone (323) 720-1144

601 Torrance Blvd
#1182
Redondo Beach, CA 90277

1700 N Waterman Ave
Sn Bernrdno, CA 92404
Phone (909) 883-8611

Networks

  • BSC 65 PLUS INDIVIDUAL MAPD

Interoperability endpoints

  • Direct secure messaging: louiszucker@hcpca.allscriptsdirect.net
  • Direct secure messaging: lzucker206872@westdirect.optum.com

Organizations & group practices 4

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.

NPI Registry JSON

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

{
    "created_epoch": "1158883200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1768608000000",
    "number": "1124128145",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 35380",
            "city": "LAS VEGAS",
            "state": "NV",
            "postal_code": "891335380",
            "telephone_number": "702-579-3203"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1025 W OLYMPIC BLVD",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900151329",
            "telephone_number": "213-623-2225",
            "fax_number": "213-861-5859"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1120 W Washington Blvd",
            "address_purpose": "LOCATION",
            "city": "Los Angeles",
            "state": "CA",
            "postal_code": "900153316",
            "country_code": "US",
            "telephone_number": "213-623-2225",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "ZUCKER",
        "first_name": "LOUIS",
        "middle_name": "M",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-09-22",
        "last_updated": "2026-01-17",
        "certification_date": "2026-01-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RR0500X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Rheumatology",
            "state": "CA",
            "license": "G10927",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Los Angeles, CA

Sources for this page

Verify at the official NPI Registry.