Active NPI
John David Mach, CRNA
- Anesthesiology Physician
- Hillsdale, MI
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Anesthesiology Physician
- License
- 4704212626
- Practice address
- 168 South Howell St
Hillsdale, MI 49242 - Phone
- (517) 437-7288
- Fax
- (517) 437-7374
- NPI assigned
- May 18, 2006
- Last updated
- Jul 13, 2026
- 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 |
|---|---|---|---|---|
| Anesthesiology Physician | 207L00000X | 4704212626 | MI | Primary |
Addresses
Primary practice location
168 South Howell St
Hillsdale, MI 49242
Mailing address
PO Box 357
Hillsdale, MI 49242
Phone (517) 437-7288
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in MI
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Certified Registered Nurse Anesthetist (Crna)
- Education
- Other, 2003
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
1701 S Blvd E
Suite 300
Rochester Hills, MI 48307-6120
Phone (248) 844-9710
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 4704212626 | MI | MD | Certified Registered Nurse Anesthetist |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Hillsdale Community Health Center | Current | Accepting new patients | |
| Pinnacle Anesthesia PLLC | Anesthesiology | Current | Accepting new patients |
| Northstar Anesthesia of Michigan II PC | Anesthesiology | Current | Accepting new patients |
| Hillsdale Community Health Center | Anesthesiology | Current | Accepting new patients |
| Life Care Anesthesiologist PC | Anesthesiology | Past | Accepting new patients |
| Lake Lansing ASC Partners LLC | Past | Accepting new patients |
Locations
168 S Howell St
Hillsdale, MI 49242
Phone (517) 437-4451
1707 Lake Lansing Rd
Lansing, MI 48912
Phone (517) 267-0033
3400 E Jolly Rd
Lansing, MI 48910
Phone (517) 272-1063
26750 Providence Pkwy
Ste 100
Novi, MI 48374
Phone (248) 662-1500
1701 South Blvd E
Ste 300
Rochester Hills, MI 48307
Phone (248) 844-9710
50438 Van Dyke Ave
Shelby Township, MI 48317
Phone (586) 726-8423
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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.
-
- Anesthesiology Physician
- Macomb, MI
- NPI 1295301133
-
dba Hillsdale Hospital
- General Acute Care Hospital
- Hillsdale, MI
- NPI 1730115940
Anesthesiology
-
- Rural Health Clinic/Center
- Reading, MI
- NPI 1053472522
-
dba Lansing Surgical Center
- Ambulatory Surgical Clinic/Center
- Lansing, MI
- NPI 1790886372
-
- Anesthesiology Physician
- Hillsdale, MI
- NPI 1457390866
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1147910400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1598718769",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "PO BOX 357",
"city": "HILLSDALE",
"state": "MI",
"postal_code": "49242",
"telephone_number": "517-437-7288",
"fax_number": "517-437-7374"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "168 SOUTH HOWELL ST",
"city": "HILLSDALE",
"state": "MI",
"postal_code": "49242",
"telephone_number": "517-437-7288",
"fax_number": "517-437-7374"
}
],
"practiceLocations": [],
"basic": {
"last_name": "MACH",
"first_name": "JOHN",
"middle_name": "DAVID",
"name_prefix": "Mr.",
"credential": "CRNA",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-05-18",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "207L00000X",
"taxonomy_group": "",
"desc": "Anesthesiology",
"state": "MI",
"license": "4704212626",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Hillsdale, 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.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
- 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.