Active NPI
Marc Gregory Webb, MD
- Surgery Physician
- Southfield, MI
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Surgery Physician
- License
- 4301051199
- Practice address
- 21701 W 11 Mile Rd
Southfield, MI 48076-3713 - Phone
- (248) 355-1100
- Fax
- (248) 355-2717
- NPI assigned
- May 2, 2006
- 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 |
|---|---|---|---|---|
| Surgery Physician | 208600000X | 4301051199 | MI | Primary |
Addresses
Primary practice location
21701 W 11 Mile Rd
Southfield, MI 48076-3713
Mailing address
PO Box 18898
Belfast, ME 04915-4083
Phone (469) 803-3000
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: Yes
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- General Surgery
- Education
- Michigan State University College of Human Medicine, 1987
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
311 Mack Ave
Suite 64100
Detroit, MI 48201-2466
Phone (313) 832-0303
Hospital & facility affiliations
- Harper University Hospital
Merit-based Incentive Payment System (MIPS)
- Final score
- 95.27 of 100
- Quality
- 86.36
- Promoting interoperability
- 98
- Improvement activities
- 40
- Cost
- 66.2
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Access and Vascular Care | Vascular Surgery | Current | Accepting new patients |
| VHS Physicians of Michigan | Current | Accepting new patients | |
| Michigan Vascular Access, PC | Vascular Surgery | Current | Accepting new patients |
| Michigan Kidney Consultants, P.C. | Vascular Surgery | Current | Accepting new patients |
Locations
4201 Saint Antoine St
Detroit, MI 48201
Phone (313) 745-3615
311 Mack Ave
Ste 64100
Detroit, MI 48201
Phone (313) 832-0303
2799 W Grand Blvd
Detroit, MI 48202
Phone (313) 876-2062
3901 Beaubien St
Detroit, MI 48201
Phone (313) 745-5227
10861 W 10 Mile Rd
Oak Park, MI 48237
Phone (248) 268-1135
3455 Starr Rd
Royal Oak, MI 48073
Phone (248) 288-9340
3475 Starr Rd
Royal Oak, MI 48073
Phone (248) 288-9340
24623 Greenfield Rd
Southfield, MI 48075
Phone (248) 557-3655
21701 W 11 Mile Rd
Ste 4
Southfield, MI 48076
Phone (248) 355-1100
21701 W 11 Mile Rd
Southfield, MI 48076
Phone (248) 353-6688
4600 Investment Dr
Ste 29
Troy, MI 48098
Phone (248) 267-5010
Interoperability endpoints
- https://fhir4.healow.com/fhir/r4/DCAHCA
- https://fhir4.healow.com/fhir/r4/DCAHCA/Endpoint/DCAHCA
- mwebb1157181@direct.hfhs.org
- mwebb@direct.dmc.org
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
- Southfield, MI
- NPI 1073827101
-
- Nephrology Physician
- Sterling Heights, MI
- NPI 1831130723
Vascular Surgery
-
- Vascular Surgery Physician
- Southfield, MI
- NPI 1609077783
Hospital & facility affiliations 1
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Detroit, MI
- NPI 1427360700
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1146528000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1753315200000",
"number": "1083672968",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "PO BOX 18898",
"city": "BELFAST",
"state": "ME",
"postal_code": "049154083",
"telephone_number": "469-803-3000"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "21701 W 11 MILE RD",
"city": "SOUTHFIELD",
"state": "MI",
"postal_code": "480763713",
"telephone_number": "248-355-1100",
"fax_number": "248-355-2717"
}
],
"practiceLocations": [],
"basic": {
"last_name": "WEBB",
"first_name": "MARC",
"middle_name": "GREGORY",
"credential": "MD",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2006-05-02",
"last_updated": "2025-07-24",
"certification_date": "2025-07-24",
"status": "A"
},
"taxonomies": [
{
"code": "208600000X",
"taxonomy_group": "",
"desc": "Surgery",
"state": "MI",
"license": "4301051199",
"primary": true
}
],
"identifiers": [],
"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 24, 2025; 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.