Active NPI
Christiaan Marshall Heersink, MD
- Hospitalist Physician
- Birmingham, AL
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Hospitalist Physician
- License
- MD.45995
- 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
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| 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, TX
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 2
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
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
| License | State | Type | Specialty |
|---|---|---|---|
| MD.45995 | AL | MD | Hospitalist Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Flowers HB Medical Services LLC | Hospitalist | Current | Accepting new patients |
| Cullman Regional Medical Group Hospitalists LLC | Hospitalist | Current | Accepting new patients |
| Houston in Patient Physician Associates PLLC | Current | Accepting new patients | |
| University of Alabama Health Services Foundation, PC. | Past | 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.
-
- Hospitalist Physician
- Cullman, AL
- NPI 1023642568
-
- Geriatric Medicine (Internal Medicine) Physician
- Sugar Land, TX
- NPI 1871892646
-
- General Acute Care Hospital
- Cullman, AL
- NPI 1114919339
-
- Multi-Specialty Clinic/Center
- Birmingham, AL
- NPI 1093768723
-
dba Houston Methodist Hospital
- General Acute Care Hospital
- Houston, TX
- NPI 1548387418
Hospital & facility affiliations 3
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
dba Houston Methodist Sugar Land Hospital
- General Acute Care Hospital
- Sugar Land, TX
- NPI 1497871628
-
dba Houston Methodist Hospital
- General Acute Care Hospital
- Houston, TX
- NPI 1548387418
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
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 7, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.