Active NPI
Gregory Paul Karris, MD
- Gastroenterology Physician
- Southfield, MI
National Provider Identifier
1164401188
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Gastroenterology Physician
- License
- 4301029338
- Practice address
- 22250 Providence Dr
Suite 604
Southfield, MI 48075-4825 - Phone
- (248) 569-1770
- Fax
- (248) 443-2439
- NPI assigned
- Jan 10, 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 |
|---|---|---|---|---|
| Gastroenterology Physician | 207RG0100X | 4301029338 | MI | Primary |
Addresses
Primary practice location
22250 Providence Dr
Suite 604
Southfield, MI 48075-4825
Mailing address
22250 Providence Dr
Suite 604
Southfield, MI 48075-4825
Phone (248) 569-1770
Other identifiers 16
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 2105039 | Other | COMMUNITY HEALTH | |
| 2105039 | Medicaid | MI | |
| B44389 | Other | MI | HAP |
| P40562 | Other | BLUE CARE NETWORK | |
| 102322 | Other | PREFERRED CHOICES PPO | |
| C3265 | Other | MCARE | |
| 1006300331 | Other | MI | BCBS |
| 1006300331 | Other | EMPIRE BLUE CROSS | |
| 1006300331 | Other | BLUE PREFERRED PLUS PPO | |
| B44389 | Other | ALLIANCE HEALTH | |
| 06300339 | Other | MEDICARE RAILROAD | |
| 1006300331 | Other | BLUE TRUST | |
| 102322 | Other | CARE CHOICES | |
| 193696 | Other | GREAT WEST | |
| 5469078 | Other | AETNA | |
| C3265 | Other | PARTNERSHIP HEALTH |
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 |
|---|---|---|---|
| 4301029338 | MI | MD | Gastroenterology Physician |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1136851200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1164401188",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "22250 PROVIDENCE DR",
"address_2": "SUITE 604",
"city": "SOUTHFIELD",
"state": "MI",
"postal_code": "480754825",
"telephone_number": "248-569-1770",
"fax_number": "248-443-2439"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "22250 PROVIDENCE DR",
"address_2": "SUITE 604",
"city": "SOUTHFIELD",
"state": "MI",
"postal_code": "480754825",
"telephone_number": "248-569-1770",
"fax_number": "248-443-2439"
}
],
"practiceLocations": [],
"basic": {
"last_name": "KARRIS",
"first_name": "GREGORY",
"middle_name": "PAUL",
"name_prefix": "Dr.",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-01-10",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "207RG0100X",
"taxonomy_group": "",
"desc": "Internal Medicine, Gastroenterology",
"state": "MI",
"license": "4301029338",
"primary": true
}
],
"identifiers": [
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "COMMUNITY HEALTH",
"identifier": "2105039",
"state": null
},
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "2105039",
"state": "MI"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "HAP",
"identifier": "B44389",
"state": "MI"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "BLUE CARE NETWORK",
"identifier": "P40562",
"state": null
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "PREFERRED CHOICES PPO",
"identifier": "102322",
"state": null
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "MCARE",
"identifier": "C3265",
"state": null
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "BCBS",
"identifier": "1006300331",
"state": "MI"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "EMPIRE BLUE CROSS",
"identifier": "1006300331",
"state": null
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "BLUE PREFERRED PLUS PPO",
"identifier": "1006300331",
"state": null
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "ALLIANCE HEALTH",
"identifier": "B44389",
"state": null
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "MEDICARE RAILROAD",
"identifier": "06300339",
"state": null
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "BLUE TRUST",
"identifier": "1006300331",
"state": null
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "CARE CHOICES",
"identifier": "102322",
"state": null
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "GREAT WEST",
"identifier": "193696",
"state": null
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "AETNA",
"identifier": "5469078",
"state": null
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "PARTNERSHIP HEALTH",
"identifier": "C3265",
"state": null
}
],
"endpoints": [],
"other_names": []
}Other providers in Southfield, 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.