Organization Active NPI

Ludmila B. Bess, MD a Professional Corporation

  • Obstetrics & Gynecology Physician
  • Los Angeles, CA
National Provider Identifier
1740352632
Registry record updated Jul 23, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Obstetrics & Gynecology PhysicianTaxonomy code 207V00000X
License
A50863 Issued in CA
Legal business name
LUDMILA B. BESS, MD A PROFESSIONAL CORPORATION
Practice address
5901 W. Olympic Boulevard.,
Suite 503
Los Angeles, CA 90036
Phone
(323) 934-8877
Fax
(323) 934-5008
NPI assigned
Nov 15, 2006
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Jul 23, 2025

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

Authorized official

Name
Oleg E Bess, M.D.
Title
President
Phone
(323) 934-8877

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Obstetrics & Gynecology PhysicianGroup: 193400000X MULTIPLE SINGLE SPECIALTY GROUP 207V00000X A40563 CA
Obstetrics & Gynecology PhysicianGroup: 193400000X MULTIPLE SINGLE SPECIALTY GROUP 207V00000X A50863 CA Primary
Obstetrics & Gynecology PhysicianGroup: 193400000X MULTIPLE SINGLE SPECIALTY GROUP 207V00000X A134652 CA

Addresses

Primary practice location

5901 W. Olympic Boulevard.,
Suite 503
Los Angeles, CA 90036

Mailing address

5901 W. Olympic Boulevard.,
Suite 503
Los Angeles, CA 90036
Phone (323) 934-8877

Other identifiers 1

IdentifierTypeStateIssuer
A134652OtherCACALIFORNIA LICENSE

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20050516000398 CA Part B Supplier - Clinic/Group Practice 2062453590 Receives reassigned benefits from 2 practitioners
Practice locations: Los Angeles, CA

National Provider Directory

National Provider Directory

Locations

5901 W Olympic Blvd
Ste 503
Los Angeles, CA 90036
Phone (323) 933-8903

Networks

  • BSC 65 PLUS INDIVIDUAL MAPDPlans: Blue Shield 65 Plus (HMO) (H0504-015-000, H0504); Blue Shield 65 Plus (HMO) (H0504-039-000, H0504); Blue Shield 65 Plus Plan 2 (HMO) (H0504-021-000, H0504); Blue Shield Inspire (HMO) (H0504-041-000, H0504); Blue Shield 65 Plus (HMO) (H0504-038-000, H0504); Blue Shield Inspire (HMO) (H0504-047-000, H0504); Blue Shield 65 Plus (HMO) (H0504-026-000, H0504); Blue Shield Advantage (HMO) (H0504-050-000, H0504); Blue Shield AdvantageOptimum Plan (HMO) (H5928-004-000, H5928); Blue Shield Inspire (HMO) (H0504-043-000, H0504)…

Practitioners & affiliated clinicians

Practitioners 3

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

NPI Registry JSON

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

{
    "created_epoch": "1163548800000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1753228800000",
    "number": "1740352632",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5901 W. OLYMPIC BOULEVARD.,",
            "address_2": "SUITE 503",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "90036",
            "telephone_number": "323-934-8877",
            "fax_number": "323-934-5008"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5901 W. OLYMPIC BOULEVARD.,",
            "address_2": "SUITE 503",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "90036",
            "telephone_number": "323-934-8877",
            "fax_number": "323-934-5008"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "LUDMILA B. BESS, MD A PROFESSIONAL CORPORATION",
        "organizational_subpart": "NO",
        "enumeration_date": "2006-11-15",
        "last_updated": "2025-07-23",
        "certification_date": "2025-07-23",
        "status": "A",
        "authorized_official_last_name": "BESS",
        "authorized_official_first_name": "OLEG",
        "authorized_official_middle_name": "E",
        "authorized_official_title_or_position": "PRESIDENT",
        "authorized_official_telephone_number": "323-934-8877",
        "authorized_official_credential": "M.D."
    },
    "taxonomies": [
        {
            "code": "207V00000X",
            "taxonomy_group": "193400000X MULTIPLE SINGLE SPECIALTY GROUP",
            "desc": "Obstetrics & Gynecology",
            "state": "CA",
            "license": "A40563",
            "primary": false
        },
        {
            "code": "207V00000X",
            "taxonomy_group": "193400000X MULTIPLE SINGLE SPECIALTY GROUP",
            "desc": "Obstetrics & Gynecology",
            "state": "CA",
            "license": "A50863",
            "primary": true
        },
        {
            "code": "207V00000X",
            "taxonomy_group": "193400000X MULTIPLE SINGLE SPECIALTY GROUP",
            "desc": "Obstetrics & Gynecology",
            "state": "CA",
            "license": "A134652",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "CALIFORNIA LICENSE",
            "identifier": "A134652",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Los Angeles, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 23, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.