Active NPI
Mark H Greenberg, MD
- Rheumatology Physician
- Saint Joseph, MI
National Provider Identifier
1992757405
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Rheumatology Physician
- License
- 39092
- Practice address
- 3950 Hollywood Rd Ste 288
Saint Joseph, MI 49085-9159 - Phone
- (269) 408-0990
- Fax
- (269) 408-1602
- NPI assigned
- May 16, 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 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Rheumatology Physician | 207RR0500X | EMC0007457 | MI | |
| Rheumatology Physician | 207RR0500X | 39092 | SC | Primary |
Addresses
Primary practice location
3950 Hollywood Rd Ste 288
Saint Joseph, MI 49085-9159
Mailing address
3241 SW Bobalink Way
Palm City, FL 34990-2616
Phone (772) 349-8116
Other identifiers 2
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 39092 | Other | SC | SC MEDICAL LICENSE |
| 390927 | Medicaid | SC |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in SC, MI
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 2
Care Compare profile
Medicare Care Compare- Specialty
- Rheumatology
- Education
- Other, 1978
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
3950 Hollywood Rd
Suite 288
Saint Joseph, MI 49085-9159
Phone (269) 408-1600
Hospital & facility affiliations
- Lakeland Hospital, St Joseph
- Conway Medical Center
- Corewell Health Watervliet Hospital
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| EMC0007457 | MI | MD | Rheumatology Physician |
| 39092 | SC | MD | Rheumatology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Lakeland Medical Practices | Current | Accepting new patients | |
| Lakeland Medical Practices | Current | Accepting new patients | |
| St Lucie Medical Specialists LLC | Rheumatology | Past | Accepting new patients |
Locations
3950 Hollywood Rd
Ste 288
Saint Joseph, MI 49085
Phone (269) 408-0990
3950 Hollywood Rd
Ste 280
Saint Joseph, MI 49085
Phone (269) 408-0990
Organizations & group practices 3
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
- Saint Joseph, MI
- NPI 1538397120
-
- Internal Medicine Physician
- Bridgman, MI
- NPI 1568232247
-
- Family Medicine Physician
- Port St Lucie, FL
- NPI 1548447535
Rheumatology
Hospital & facility affiliations 15
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Watervliet, MI
- NPI 1700994845
-
- General Acute Care Hospital
- Saint Joseph, MI
- NPI 1134220031
-
- General Acute Care Hospital
- Conway, SC
- NPI 1134172000
-
- Rehabilitation Hospital Unit
- Conway, SC
- NPI 1154991487
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1147737600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1759795200000",
"number": "1992757405",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "3241 SW BOBALINK WAY",
"city": "PALM CITY",
"state": "FL",
"postal_code": "349902616",
"telephone_number": "772-349-8116"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "3950 HOLLYWOOD RD STE 288",
"city": "SAINT JOSEPH",
"state": "MI",
"postal_code": "490859159",
"telephone_number": "269-408-0990",
"fax_number": "269-408-1602"
}
],
"practiceLocations": [],
"basic": {
"last_name": "GREENBERG",
"first_name": "MARK",
"middle_name": "H",
"name_prefix": "Dr.",
"credential": "MD",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2006-05-16",
"last_updated": "2025-10-07",
"certification_date": "2025-10-07",
"status": "A"
},
"taxonomies": [
{
"code": "207RR0500X",
"taxonomy_group": "",
"desc": "Internal Medicine, Rheumatology",
"state": "MI",
"license": "EMC0007457",
"primary": false
},
{
"code": "207RR0500X",
"taxonomy_group": "",
"desc": "Internal Medicine, Rheumatology",
"state": "SC",
"license": "39092",
"primary": true
}
],
"identifiers": [
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "SC MEDICAL LICENSE",
"identifier": "39092",
"state": "SC"
},
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "390927",
"state": "SC"
}
],
"endpoints": [],
"other_names": []
}Other providers in Saint Joseph, MI
- Great Lakes Family Dental Group-St. Joseph
- Great Lakes Gastroenterology PLLC
- Great Lakes Heart & Vascular Institute, P.C.
- Great Lakes Sports Medicine and Concussion Clinic
- Great Lakes Surgery Center LLC
- Adrienne Greene, DPT
- Edward Glendon Greene, MPH, PT
- Samuel Z Gregor, CRNA
- Gregory E. Bauman, DDS, PLC
- Grace Elizabeth Greig, MD
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 7, 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.