Active NPI
Alex Kloster, MD
- Student in an Organized Health Care Education/Training Program
- Royal Oak, MI
National Provider Identifier
1437889334
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Student in an Organized Health Care Education/Training Program
- Practice address
- 3601 W 13 Mile Rd
Royal Oak, MI 48073-6712 - Phone
- (248) 898-4198
- NPI assigned
- Jun 14, 2022
- Sex
- Male
- Sole proprietor
- Yes
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 |
|---|---|---|---|---|
| Student in an Organized Health Care Education/Training Program | 390200000X | Primary |
Addresses
Primary practice location
3601 W 13 Mile Rd
Royal Oak, MI 48073-6712
Mailing address
3601 W 13 Mile Rd
Royal Oak, MI 48073-6712
Phone (248) 898-4198
Other practice location 1
3000 Arlington Ave
Toledo, OH 43614-2598
Phone (567) 420-1613
Other practice location 2
2142 N Cove Blvd
Toledo, OH 43606-3896
Phone (419) 291-4000
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in OH, MI
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 2
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| I20250210001836 | OH | Order and Referring Only - Internal Medicine | 6103356936 | |
| I20260626000915 | MI | Order and Referring Only - Cardiovascular Disease (Cardiology) | 6103356936 |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1655164800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1782172800000",
"number": "1437889334",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "3601 W 13 MILE RD",
"city": "ROYAL OAK",
"state": "MI",
"postal_code": "480736712",
"telephone_number": "248-898-4198"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "3601 W 13 MILE RD",
"city": "ROYAL OAK",
"state": "MI",
"postal_code": "480736712",
"telephone_number": "248-898-4198"
}
],
"practiceLocations": [
{
"address_1": "3000 Arlington Ave",
"address_purpose": "LOCATION",
"city": "Toledo",
"state": "OH",
"postal_code": "436142598",
"country_code": "US",
"telephone_number": "567-420-1613",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "2142 N Cove Blvd",
"address_purpose": "LOCATION",
"city": "Toledo",
"state": "OH",
"postal_code": "436063896",
"country_code": "US",
"telephone_number": "419-291-4000",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "KLOSTER",
"first_name": "ALEX",
"credential": "MD",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2022-06-14",
"last_updated": "2026-06-23",
"certification_date": "2026-06-23",
"status": "A"
},
"taxonomies": [
{
"code": "390200000X",
"taxonomy_group": "",
"desc": "Student in an Organized Health Care Education/Training Program",
"state": null,
"license": null,
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Royal Oak, MI
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 23, 2026; 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.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.