Individual provider Active NPI

Ronald D. Zlotolow, M.D.

  • Internal Medicine Physician
  • Los Angeles, CA
National Provider Identifier
1407981301
Registry record updated Dec 30, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
A75075 Issued in CA
Practice address
1818 S Western Ave Ste 505
Los Angeles, CA 90006-5860
Phone
(323) 634-6500
Fax
(323) 795-0916
NPI assigned
Feb 22, 2007
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Dec 30, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X A75075 CA Primary

Addresses

Primary practice location

1818 S Western Ave Ste 505
Los Angeles, CA 90006-5860

Mailing address

1818 S Western Ave Ste 505
Los Angeles, CA 90006-5860
Phone (323) 634-6500

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
I20150623001225 CA Practitioner - Family Practice 3375854656 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Family Practice
Education
Other, 1997
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Ronald D Zlotolow Medical Group IncGroup PAC ID 9931410214, 3 clinicians

Practice addresses (Care Compare)

2232 Santa Monica Blvd
Suite 101
Santa Monica, CA 90404-2312
Phone (310) 396-3635

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
75075CAMDPharmacist
A75075CAMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Ronald D Zlotolow Medical Group Inc CurrentSince Mar 28, 2015 Accepting new patients
Ronald D Zlotolow Medical Group Current Accepting new patients
Nachman Brautbar M.D., Inc. Internal Medicine Past Accepting new patients

Locations

2232 Santa Monica Blvd
Ste 101
Santa Monica, CA 90404
Phone (310) 393-2225

318 Lincoln Blvd
Ste 239
Venice, CA 90291
Phone (310) 396-3635

Interoperability endpoints

  • FHIR API: https://fhir.meditouchehr.com/api/fhir/r4/

Organizations & group practices 3

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": "1172102400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1767052800000",
    "number": "1407981301",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1818 S WESTERN AVE STE 505",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900065860",
            "telephone_number": "323-634-6500",
            "fax_number": "323-634-6501"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1818 S WESTERN AVE STE 505",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900065860",
            "telephone_number": "323-634-6500",
            "fax_number": "323-795-0916"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ZLOTOLOW",
        "first_name": "RONALD",
        "middle_name": "D.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-02-22",
        "last_updated": "2025-12-30",
        "certification_date": "2025-12-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "A75075",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Los Angeles, CA

Sources for this page

Verify at the official NPI Registry.