Active NPI
Zdenko Krizan, MD
- Hematology & Oncology Physician
- Coldwater, MI
National Provider Identifier
1457397960
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Hematology & Oncology Physician
- License
- 4301049172
- Practice address
- 274 E Chicago St
Coldwater, MI 49036-2041 - Phone
- (517) 279-5301
- NPI assigned
- Jun 22, 2006
- 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 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Hematology & Oncology Physician | 207RH0003X | 4301049172 | MI | Primary |
Addresses
Primary practice location
274 E Chicago St
Coldwater, MI 49036-2041
Mailing address
274 E Chicago St
Coldwater, MI 49036-2041
Phone (517) 279-5400
Other identifiers 4
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 3630251 | Other | MI | PHP/IBA |
| 1677774 | Medicaid | MI | |
| 4338432 | Medicaid | MI | |
| 1111200162 | Other | MI | BCBS PIN |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 4301049172 | MI | MD | Hematology & Oncology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Maria E Alvarez-Krizan MD PLC | Past | Accepting new patients |
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 and National Provider Directory roles.
-
- Internal Medicine Physician
- Battle Creek, MI
- NPI 1467785931
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1150934400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1457397960",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "274 E CHICAGO ST",
"city": "COLDWATER",
"state": "MI",
"postal_code": "490362041",
"telephone_number": "517-279-5400"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "274 E CHICAGO ST",
"city": "COLDWATER",
"state": "MI",
"postal_code": "490362041",
"telephone_number": "517-279-5301"
}
],
"practiceLocations": [],
"basic": {
"last_name": "KRIZAN",
"first_name": "ZDENKO",
"name_prefix": "Dr.",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-06-22",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "207RH0003X",
"taxonomy_group": "",
"desc": "Internal Medicine, Hematology & Oncology",
"state": "MI",
"license": "4301049172",
"primary": true
}
],
"identifiers": [
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "PHP/IBA",
"identifier": "3630251",
"state": "MI"
},
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "1677774",
"state": "MI"
},
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "4338432",
"state": "MI"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "BCBS PIN",
"identifier": "1111200162",
"state": "MI"
}
],
"endpoints": [],
"other_names": []
}Other providers in Coldwater, MI
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.