Active NPI
Kevin Sellery Gregg
- Infectious Disease Physician
- Madison, WI
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Infectious Disease Physician
- License
- 4301098017
- Practice address
- 600 Highland Ave
Madison, WI 53792-0001 - Phone
- (608) 263-0946
- NPI assigned
- Oct 12, 2007
- 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 3
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Internal Medicine Physician | 207R00000X | 036.117546 | IL | |
| Infectious Disease Physician | 207RI0200X | 4301098017 | MI | Primary |
| Internal Medicine Physician | 207R00000X | 4301098017 | MI |
Addresses
Primary practice location
600 Highland Ave
Madison, WI 53792-0001
Mailing address
7974 Uw Health CT
Middleton, WI 53562-5531
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in MI, WI
- 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 |
|---|---|---|---|---|
| I20110725000019 | MI | Practitioner - Infectious Disease | 1759459266 | Reassigns benefits to 1 organization |
| I20260602002567 | WI | Practitioner - Internal Medicine | 1759459266 |
Care Compare profile
Medicare Care Compare- Specialty
- Infectious Disease
- Education
- Other, 2004
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Telehealth
- Offers telehealth services
- Group practices
- Regents of the University of Michigan
Practice addresses (Care Compare)
1051 N Canton CNTR Rd
University of Michigan Med Peds Association
Ann Arbor, MI 48187-5097
Phone (734) 844-5400
1051 N Canton Ctr
Canton, MI 48187-5097
Phone (734) 844-5390
1051 N Canton Ctr Rd
Canton, MI 48187-5097
1500 E Medical Ctr Dr
Ann Arbor, MI 48109-5000
1500 E Medical Ctr Dr 1St FL
Taubman Ctr Rec D
Ann Arbor, MI 48109-5000
Phone (734) 936-4185
1500 E Medical Ctr Dr 1St FL Rec D
Taubman Center
Ann Arbor, MI 48109-5000
Phone (734) 764-5175
1500 E Medical Ctr Dr 1St FL Rec F
Mott Hospital
Ann Arbor, MI 48109-5000
Phone (734) 764-5176
1500 E Medical Ctr Dr 3Rd FL Taubma
Ann Arbor, MI 48109-5000
Phone (734) 647-7321
Hospital & facility affiliations
- University of Michigan Health System
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 036.117546 | IL | MD | Internal Medicine Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Regents of the University of Michigan | Current | Accepting new patients | |
| Regents of the University of Michigan | Internal Medicine | Current | Accepting new patients |
| Regents of the University of Michigan | Internal Medicine | Current | Accepting new patients |
| Regents of the University of Michigan | Past | Accepting new patients |
Locations
1500 E Medical Center Dr
Ann Arbor, MI 48109
Phone (734) 936-4280
1500 E Medical Center Dr
Fl 3
Ann Arbor, MI 48109
Phone (734) 647-5944
3621 S State St
#700
Ann Arbor, MI 48108
1051 N Canton Center Rd
#R
Canton, MI 48187
Phone (734) 647-5899
Interoperability endpoints
- kgregg26757@direct.med.umich.edu
Organizations & group practices 4
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
- Ann Arbor, MI
- NPI 1205868353
Internal Medicine, MI
-
- Infectious Disease Physician
- Ann Arbor, MI
- NPI 1104858232
Internal Medicine
-
- Specialty Pharmacy
- Dexter, MI
- NPI 1952181919
-
- General Acute Care Hospital
- Ann Arbor, MI
- NPI 1003878539
Hospital & facility affiliations 1
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Ann Arbor, MI
- NPI 1003878539
Hospital
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1192147200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1779926400000",
"number": "1013105220",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "7974 UW HEALTH CT",
"city": "MIDDLETON",
"state": "WI",
"postal_code": "535625531"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "600 HIGHLAND AVE",
"city": "MADISON",
"state": "WI",
"postal_code": "537920001",
"telephone_number": "608-263-0946"
}
],
"practiceLocations": [],
"basic": {
"last_name": "GREGG",
"first_name": "KEVIN",
"middle_name": "SELLERY",
"name_prefix": "Dr.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2007-10-12",
"last_updated": "2026-05-28",
"certification_date": "2026-05-28",
"status": "A"
},
"taxonomies": [
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "IL",
"license": "036.117546",
"primary": false
},
{
"code": "207RI0200X",
"taxonomy_group": "",
"desc": "Internal Medicine, Infectious Disease",
"state": "MI",
"license": "4301098017",
"primary": true
},
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "MI",
"license": "4301098017",
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Madison, WI
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 28, 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.