Individual provider Active NPI

Olga Postovitenko, MD

  • Nephrology Physician
  • Saint Louis, MO
National Provider Identifier
1801424106
Registry record updated Aug 5, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Nephrology PhysicianTaxonomy code 207RN0300X
License
2024048619 Issued in MO
Practice address
621 S New Ballas Rd Ste 437a
Saint Louis, MO 63141-8259
Phone
(314) 251-6344
Fax
(314) 251-7929
NPI assigned
Mar 31, 2020
Last updated
Aug 5, 2025By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 5, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Nephrology Physician 207RN0300X 2024048619 MO Primary

Addresses

Primary practice location

621 S New Ballas Rd Ste 437a
Saint Louis, MO 63141-8259

Mailing address

621 S New Ballas Rd Ste 437a
Saint Louis, MO 63141-8259
Phone (314) 251-6344

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MO
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
I20250903001016 MO Practitioner - Nephrology 2264933928 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Nephrology
Education
Other, 2007
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Mercy Clinic Nephrology, LLCGroup PAC ID 8921327115, 10 clinicians

Practice addresses (Care Compare)

621 S New Ballas Rd
437A Mercy Clinic Nephrology Medical to
Saint Louis, MO 63141-8259
Phone (314) 251-6344

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
2024048619MOMDNephrology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Mercy Clinic Nephrology LLC Nephrology CurrentSince Aug 4, 2025 Accepting new patients

Locations

621 S New Ballas Rd
Ste 437A
Saint Louis, MO 63141
Phone (314) 251-3880

901 Patients First Dr
Washington, MO 63090
Phone (636) 239-7500

Organizations & group practices 1

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

Hospital & facility affiliations 6

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

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

{
    "created_epoch": "1585612800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1754352000000",
    "number": "1801424106",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "621 S NEW BALLAS RD STE 437A",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631418259",
            "telephone_number": "314-251-6344",
            "fax_number": "314-251-7929"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "621 S NEW BALLAS RD STE 437A",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631418259",
            "telephone_number": "314-251-6344",
            "fax_number": "314-251-7929"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "POSTOVITENKO",
        "first_name": "OLGA",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2020-03-31",
        "last_updated": "2025-08-05",
        "certification_date": "2025-08-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RN0300X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Nephrology",
            "state": "MO",
            "license": "2024048619",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Saint Louis, MO

Sources for this page

Verify at the official NPI Registry.