Individual provider Active NPI

Christiaan Marshall Heersink, MD

  • Hospitalist Physician
  • Birmingham, AL
National Provider Identifier
1700465309
Registry record updated Apr 7, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hospitalist PhysicianTaxonomy code 208M00000X
License
MD.45995 Issued in AL
Practice address
625 19TH St S
Birmingham, AL 35233-1900
Phone
(256) 551-4500
NPI assigned
Apr 2, 2021
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 7, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Student in an Organized Health Care Education/Training Program 390200000X
Hospitalist Physician 208M00000X MD.45995 AL Primary

Addresses

Primary practice location

625 19TH St S
Birmingham, AL 35233-1900

Mailing address

625 19TH St S
Birmingham, AL 35233-1900

Other practice location 1

1912 Al Highway 157
Cullman, AL 35058-0609
Phone (256) 737-2000

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in AL, TX2 enrollments
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 2

Enrollment IDStateProvider typePAC IDDetails
I20241107003639 AL Practitioner - Hospitalist 6709310139 Reassigns benefits to 2 organizations
I20250331001136 TX Practitioner - Family PracticePractitioner - Hospitalist 6709310139 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Hospitalist
Education
University of Alabama School of Medicine, 2021
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Cullman Regional Medical Group Hospitalists LLCGroup PAC ID 5395176481, 34 clinicians
Flowers HB Medical Services LLCGroup PAC ID 6305290990, 139 clinicians
Houston in Patient Physician Associates PLLCGroup PAC ID 5698951168, 27 clinicians

Practice addresses (Care Compare)

1912 Al Hwy 157
Cullman, AL 35058-0609
Phone (256) 737-2682

4370 W Main St
Dothan, AL 36305-1056
Phone (334) 793-5000

4645 Sweetwater Blvd
Suite 200
Sugar Land, TX 77479-3016
Phone (713) 777-5334

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
MD.45995ALMDHospitalist Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Flowers HB Medical Services LLC Hospitalist CurrentSince Sep 19, 2025 Accepting new patients
Cullman Regional Medical Group Hospitalists LLC Hospitalist CurrentSince Sep 1, 2024 Accepting new patients
Houston in Patient Physician Associates PLLC CurrentSince Apr 1, 2025 Accepting new patients
University of Alabama Health Services Foundation, PC. PastSince Apr 6, 2021 Accepting new patients
The Methodist Hospital Past Accepting new patients
Cullman Regional Medical Center, Inc Past Accepting new patients

Locations

1912 AL Highway 157
Cullman, AL 35058
Phone (256) 737-2496

4370 W Main St
Dothan, AL 36305
Phone (256) 332-1611

4645 Sweetwater Blvd
Ste 200
Sugar Land, TX 77479
Phone (281) 565-1112

Organizations & group practices 6

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.

Hospital & facility affiliations 3

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": "1617321600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1743984000000",
    "number": "1700465309",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "625 19TH ST S",
            "city": "BIRMINGHAM",
            "state": "AL",
            "postal_code": "352331900"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "625 19TH ST S",
            "city": "BIRMINGHAM",
            "state": "AL",
            "postal_code": "352331900",
            "telephone_number": "256-551-4500"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1912 Al Highway 157",
            "address_purpose": "LOCATION",
            "city": "Cullman",
            "state": "AL",
            "postal_code": "350580609",
            "country_code": "US",
            "telephone_number": "256-737-2000",
            "fax_number": "256-737-2152",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "HEERSINK",
        "first_name": "CHRISTIAAN",
        "middle_name": "MARSHALL",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2021-04-02",
        "last_updated": "2025-04-07",
        "certification_date": "2025-04-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "AL",
            "license": "MD.45995",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Birmingham, AL

Sources for this page

Verify at the official NPI Registry.