Individual provider Active NPI

Michael Christopher Hassert, MSN, APN, AGNP-C

  • Adult Health Nurse Practitioner
  • Saint Louis, MO
National Provider Identifier
1972119014
Registry record updated Mar 15, 2024
On this page

Key facts

NPPES NPI Registry
Primary specialty
Adult Health Nurse PractitionerTaxonomy code 363LA2200X
License
2023007556 Issued in MO
Practice address
6637 Berthold Ave
Saint Louis, MO 63139-3318
Phone
(573) 247-9982
NPI assigned
Sep 22, 2020
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Mar 15, 2024

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Gerontology Nurse Practitioner 363LG0600X 2023007556 MO
Adult Health Nurse Practitioner 363LA2200X 2023007556 MO Primary

Addresses

Primary practice location

6637 Berthold Ave
Saint Louis, MO 63139-3318

Mailing address

PO Box 735378
Chicago, IL 60673-5378

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: No
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20230320000530 MO Practitioner - Nurse Practitioner 3577937325 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2017
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Karefirst Missouri PCGroup PAC ID 1052605383, 12 clinicians

Practice addresses (Care Compare)

6637 Berthold Ave
Saint Louis, MO 63139-3318
Phone (314) 781-3444

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Master of Science - Nursing

State licenses

LicenseStateTypeSpecialty
2023007556MOMDGerontology Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Provider Partners Care Management LP CurrentSince Mar 6, 2025 Accepting new patients
Karefirst Missouri PC CurrentSince Mar 13, 2023 Accepting new patients

Locations

8820 Columbia 100 Pkwy
Ste 430
Columbia, MD 21045
Phone (410) 967-2097

13230 Manchester Rd
Saint Louis, MO 63131
Phone (314) 480-5259

6637 Berthold Ave
Saint Louis, MO 63139
Phone (314) 781-3444

3403 W Mount Vernon St
Springfield, MO 65802
Phone (417) 864-5600

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": "1600732800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1710460800000",
    "number": "1972119014",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 735378",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606735378"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6637 BERTHOLD AVE",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631393318",
            "telephone_number": "573-247-9982"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HASSERT",
        "first_name": "MICHAEL",
        "middle_name": "CHRISTOPHER",
        "name_prefix": "Mr.",
        "credential": "MSN, APN, AGNP-C",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2020-09-22",
        "last_updated": "2024-03-15",
        "certification_date": "2024-03-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LG0600X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Gerontology",
            "state": "MO",
            "license": "2023007556",
            "primary": false
        },
        {
            "code": "363LA2200X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Adult Health",
            "state": "MO",
            "license": "2023007556",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Saint Louis, MO

Sources for this page

Verify at the official NPI Registry.