Individual provider Active NPI

Michael A Kass, MD

  • Ophthalmology Physician
  • Saint Louis, MO
National Provider Identifier
1164440657
Registry record updated Apr 17, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Ophthalmology PhysicianTaxonomy code 207W00000X
License
R4306 Issued in MO
Practice address
4901 Forest Park Ave
Dept Ophthalmology, 6TH FL
Saint Louis, MO 63108-1495
Phone
(314) 362-3937
Fax
(314) 362-3725
NPI assigned
Jul 17, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 17, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Ophthalmology Physician 207W00000X R4306 MO Primary

Addresses

Primary practice location

4901 Forest Park Ave
Dept Ophthalmology, 6TH FL
Saint Louis, MO 63108-1495

Mailing address

PO Box 7412011
Chicago, IL 60674-2011
Phone (314) 362-3937

Other identifiers 1

IdentifierTypeStateIssuer
200541902MedicaidMO

Electronic endpoints 1

TypeEndpointUseAffiliation
FHIR URL https://epicproxy.et0965.epichosted.com/FHIRProxy/api/FHIR/DSTU2/ Washington University

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
I20100109000266 MO Practitioner - Ophthalmology 3274632161 Reassigns benefits to 1 organization

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
R4306MOMDOphthalmology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Washington University CurrentSince Dec 31, 1991 Accepting new patients
Washington University CurrentSince Dec 31, 1991 Accepting new patients

Locations

660 S Euclid Ave
#8096
Saint Louis, MO 63110
Phone (314) 362-3935

4901 Forest Park Ave
Fl 6
Saint Louis, MO 63108

660 S Euclid Ave
#C
Saint Louis, MO 63110

1 Barnes Hospital Plz
Saint Louis, MO 63110
Phone (314) 362-9170

Organizations & group practices 2

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": "1153094400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1744848000000",
    "number": "1164440657",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 7412011",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606742011",
            "telephone_number": "314-362-3937",
            "fax_number": "314-362-3725"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4901 FOREST PARK AVE",
            "address_2": "DEPT OPHTHALMOLOGY, 6TH FL",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631081495",
            "telephone_number": "314-362-3937",
            "fax_number": "314-362-3725"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KASS",
        "first_name": "MICHAEL",
        "middle_name": "A",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-07-17",
        "last_updated": "2025-04-17",
        "certification_date": "2022-06-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207W00000X",
            "taxonomy_group": "",
            "desc": "Ophthalmology",
            "state": "MO",
            "license": "R4306",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "200541902",
            "state": "MO"
        }
    ],
    "endpoints": [
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://epicproxy.et0965.epichosted.com/FHIRProxy/api/FHIR/DSTU2/",
            "affiliation": "Y",
            "affiliationName": "Washington University",
            "address_1": "4901 Forest Park Ave",
            "address_2": "Dept Ophthalmology, 6th Fl",
            "city": "Saint Louis",
            "state": "MO",
            "country_code": "US",
            "postal_code": "631081495",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Saint Louis, MO

Sources for this page

Verify at the official NPI Registry.