Active NPI
Ashley M Bays, PA
- Physician Assistant
- Kalamazoo, MI
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Physician Assistant
- License
- 5601005364
- Practice address
- 601 John St Ste M-460
Kalamazoo, MI 49007-5355 - Phone
- (269) 341-7333
- NPI assigned
- Aug 14, 2008
- Sex
- Female
- 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 |
|---|---|---|---|---|
| Physician Assistant | 363A00000X | 5601005364 | MI | Primary |
Addresses
Primary practice location
601 John St Ste M-460
Kalamazoo, MI 49007-5355
Mailing address
601 John St Ste M-460
Kalamazoo, MI 49007-5355
Phone (269) 341-7333
Other practice location 1
363 Fremont St Ste 101
Battle Creek, MI 49017-3395
Phone (269) 245-8350
Other practice location 2
125 S Kalamazoo Mall
Suite 204
Kalamazoo, MI 49007-4832
Phone (269) 343-3900 ext. 228
Electronic endpoints 1
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| Direct Messaging Address | direct@direct.bronsonhg.org | Direct | Bronson Healthcare Group |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in MI
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: No
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Physician Assistant
- Education
- Other, 2008
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
2825 Airview Blvd
Portage, MI 49002-1802
300 N Ave
Battle Creek, MI 49017-3307
300 N Ave Outpatient Ctr 2ND FL
Bronson Neuroscience Center
Battle Creek, MI 49017-3307
Phone (269) 245-5862
451 Health Pkwy
Paw Paw, MI 49079-8242
Phone (269) 341-7788
451 Health Pkwy C
Paw Paw, MI 49079-8242
Phone (269) 655-1700
451 Health Pkwy D
Paw Paw, MI 49079-8242
Phone (269) 655-3070
601 John St
Kalamazoo, MI 49007-5341
601 John St
Kalamazoo, MI 49007-5377
Hospital & facility affiliations
- Bronson Methodist Hospital
- Bronson Battle Creek Hospital
- Bronson Lakeview Hospital
- Bronson South Haven Hospital
Merit-based Incentive Payment System (MIPS)
- Final score
- 86.43 of 100
- Quality
- 75.38
- Promoting interoperability
- 100
- Improvement activities
- 40
- Cost
- 79.38
Merit-based Incentive Payment System (MIPS)
- Final score
- 87.91 of 100
- Quality
- 83.03
- Promoting interoperability
- 100
- Improvement activities
- 40
- Cost
- 76.65
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Physician Assistant
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 1924561 | MI | MD | Physician Assistant |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Bronson Methodist Hospital | Physician Assistant | Current | Accepting new patients |
| Patholgy Services of Kalamazoo, PC | Current | Accepting new patients | |
| Diagnostic Pathology Services of Southwest Michigan PC | Current | Accepting new patients | |
| Bronson Battle Creek Hospital | Physician Assistant | Current | Accepting new patients |
Locations
363 Fremont St
Ste 101
Battle Creek, MI 49017
Phone (269) 245-8350
300 North Ave
Fl 2
Battle Creek, MI 49017
Phone (269) 245-5862
125 S Kalamazoo Mall
Ste 204
Kalamazoo, MI 49007
Phone (269) 343-3900
601 John St
Ste M-124
Kalamazoo, MI 49007
Phone (269) 341-7500
601 John St
Ste M-460
Kalamazoo, MI 49007
Phone (269) 341-7333
601 John St
Kalamazoo, MI 49007
Phone (269) 341-7100
408 Hazen St
Paw Paw, MI 49079
Phone (269) 341-8481
Interoperability endpoints
- abays5582@direct.bronsonhg.org
Organizations & group practices 5
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 1093119638
Physician Assistant
-
- Emergency Medical Services (Emergency Medicine) Physician
- Kalamazoo, MI
- NPI 1013021310
-
- Anatomic Pathology & Clinical Pathology Physician
- Kalamazoo, MI
- NPI 1912241597
-
- Anatomic Pathology & Clinical Pathology Physician
- Kalamazoo, MI
- NPI 1548243595
Hospital & facility affiliations 4
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Battle Creek, MI
- NPI 1083644579
-
- Critical Access Hospital
- Paw Paw, MI
- NPI 1962508259
-
- General Acute Care Hospital
- Kalamazoo, MI
- NPI 1831116441
-
- General Acute Care Hospital
- South Haven, MI
- NPI 1346275856
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1218672000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1782864000000",
"number": "1770739302",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "601 JOHN ST STE M-460",
"city": "KALAMAZOO",
"state": "MI",
"postal_code": "490075355",
"telephone_number": "269-341-7333",
"fax_number": "269-341-7371"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "601 JOHN ST STE M-460",
"city": "KALAMAZOO",
"state": "MI",
"postal_code": "490075355",
"telephone_number": "269-341-7333"
}
],
"practiceLocations": [
{
"address_1": "363 Fremont St Ste 101",
"address_purpose": "LOCATION",
"city": "Battle Creek",
"state": "MI",
"postal_code": "490173395",
"country_code": "US",
"telephone_number": "269-245-8350",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "125 S Kalamazoo Mall",
"address_2": "SUITE 204",
"address_purpose": "LOCATION",
"city": "Kalamazoo",
"state": "MI",
"postal_code": "490074832",
"country_code": "US",
"telephone_number": "269-343-3900 x228",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "BAYS",
"first_name": "ASHLEY",
"middle_name": "M",
"credential": "PA",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2008-08-14",
"last_updated": "2026-07-01",
"certification_date": "2026-07-01",
"status": "A"
},
"taxonomies": [
{
"code": "363A00000X",
"taxonomy_group": "",
"desc": "Physician Assistant",
"state": "MI",
"license": "5601005364",
"primary": true
}
],
"identifiers": [],
"endpoints": [
{
"endpointType": "DIRECT",
"endpointTypeDescription": "Direct Messaging Address",
"endpoint": "direct@direct.bronsonhg.org",
"affiliation": "Y",
"endpointDescription": "Bronson Healthcare Group Direct address",
"affiliationName": "Bronson Healthcare Group",
"use": "DIRECT",
"useDescription": "Direct",
"contentType": "OTHER",
"contentTypeDescription": "Other",
"contentOtherDescription": "Continuity of Care Document",
"address_1": "601 John St",
"city": "Kalamazoo",
"state": "MI",
"country_code": "US",
"postal_code": "490075232",
"country_name": "United States",
"address_type": "DOM"
}
],
"other_names": []
}
Other providers in Kalamazoo, MI
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 1, 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.
- 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.