Active NPI
Mark Weiss, MD
- Vascular & Interventional Radiology Physician
- Flint, MI
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Vascular & Interventional Radiology Physician
- License
- 4301050600
- Practice address
- G3239 Beecher Rd
Suite F
Flint, MI 48532-3616 - Phone
- (810) 733-6780
- Fax
- (810) 733-6939
- NPI assigned
- May 3, 2006
- 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 |
|---|---|---|---|---|
| Vascular & Interventional Radiology Physician | 2085R0204X | 4301050600 | MI | Primary |
Addresses
Primary practice location
G3239 Beecher Rd
Suite F
Flint, MI 48532-3616
Mailing address
1141 Springborrow Dr
Flint, MI 48532-2141
Phone (810) 230-8353
Other identifiers 16
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 1020941 | Other | MI | MHP FENTON |
| 1608119 | Other | MI | FIRST HEALTH |
| 230141 | Other | MI | HAP/HEALTH ALLIANCE PLAN |
| 4822494100 | Medicaid | MI | |
| 300B511530 | Other | MI | BLUE CHOICE |
| 4822485100 | Medicaid | MI | |
| 4020942 | Other | MA | MCLAREN |
| 4822449100 | Medicaid | MI | |
| 300B511530 | Other | MI | TRADITIONAL BLUE CROSS |
| 300B563870 | Other | MI | BCBS OF MI |
| 4891787 | Medicaid | MI | |
| RA820073 | Other | MI | MCARE |
| 0990536 | Other | MI | HEALTH PLUS |
| 1020941 | Other | MI | MCLAREN HEALTH PLAN |
| 300B560780 | Other | MI | BCBS OF MI |
| 4891811 | Medicaid | MI |
Electronic endpoints 1
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| Direct Messaging Address | mweiss265762@upmc.direct-ci.com |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in PA
- 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
- Diagnostic Radiology
- Education
- Michigan State University College of Human Medicine, 1985
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
1400 9TH Ave
Altoona, PA 16602-2415
Phone (814) 941-8811
1414 9TH Ave
Blair Medical Assocs
Altoona, PA 16602-2415
Phone (814) 946-1655
620 Howard Ave
Altoona, PA 16601-4804
Phone (814) 889-6157
Hospital & facility affiliations
- Upmc Altoona
- Upmc Bedford Memorial
Merit-based Incentive Payment System (MIPS)
- Final score
- 79.88 of 100
- Quality
- 62.63
- Promoting interoperability
- 100
- Improvement activities
- 40
- Cost
- 70.3
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 4301050600 | MI | MD | Vascular & Interventional Radiology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Upmc Altoona Regional Health Services, Inc | Current | Accepting new patients | |
| Upmc Altoona Regional Health Services, Inc | Current | Accepting new patients | |
| Fawcett Imaging Port Charlotte PA | Past | Accepting new patients | |
| Ballenger Road Scanner LLC | Vascular & Interventional Radiology | Past | Accepting new patients |
| Associated Radiologists of Flint PC | Vascular & Interventional Radiology | Past | Accepting new patients |
| Diagnostic Radiology Associates of Flint PC | Past | Accepting new patients | |
| Lifetest Michigan LLC | Past | Accepting new patients | |
| Associated Radiologists of Inverness PA | Past | Accepting new patients | |
| Successful Adults in Transition PLLC | Past | Accepting new patients | |
| Genesee Medical Imaging PC | Past | Accepting new patients | |
| Greater Flint Imaging Center | Vascular & Interventional Radiology | Past | Accepting new patients |
Locations
1414 9th Ave
Altoona, PA 16602
Phone (814) 949-7621
620 Howard Ave
Fl 7
Altoona, PA 16601
Phone (814) 943-5901
620 Howard Ave
Altoona, PA 16601
Phone (814) 889-2011
Interoperability endpoints
- mark.weiss@upmcdirect.com
- mweiss265762@upmc.direct-ci.com
Organizations & group practices 11
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.
-
- Family Medicine Physician
- Altoona, PA
- NPI 1396724217
-
- Internal Medicine Physician
- Altoona, PA
- NPI 1639158488
-
- Diagnostic Radiology Physician
- Flint, MI
- NPI 1336156249
Vascular & Interventional Radiology
-
- Diagnostic Radiology Physician
- Flint, MI
- NPI 1083621981
Vascular & Interventional Radiology
-
- Diagnostic Radiology Physician
- Flint, MI
- NPI 1790750966
-
- Diagnostic Radiology Physician
- Grand Blanc, MI
- NPI 1184869349
-
- Diagnostic Radiology Physician
- Lapeer, MI
- NPI 1558378455
Vascular & Interventional Radiology
-
- Diagnostic Radiology Physician
- Southfield, MI
- NPI 1336114503
-
- Mental Health Counselor
- Flint, MI
- NPI 1265146260
-
- Diagnostic Radiology Physician
- Inverness, FL
- NPI 1093913543
-
- Diagnostic Radiology Physician
- Port Charlotte, FL
- NPI 1710215728
Hospital & facility affiliations 6
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Altoona, PA
- NPI 1649278730
-
- Psychiatric Hospital Unit
- Altoona, PA
- NPI 1699773465
-
- General Acute Care Hospital
- Everett, PA
- NPI 1295724193
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1146614400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1788912000000",
"number": "1609834019",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1141 SPRINGBORROW DR",
"city": "FLINT",
"state": "MI",
"postal_code": "485322141",
"telephone_number": "810-230-8353"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "G3239 BEECHER RD",
"address_2": "SUITE F",
"city": "FLINT",
"state": "MI",
"postal_code": "485323616",
"telephone_number": "810-733-6780",
"fax_number": "810-733-6939"
}
],
"practiceLocations": [],
"basic": {
"last_name": "WEISS",
"first_name": "MARK",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-05-03",
"last_updated": "2026-09-09",
"status": "A"
},
"taxonomies": [
{
"code": "2085R0204X",
"taxonomy_group": "",
"desc": "Radiology, Vascular & Interventional Radiology",
"state": "MI",
"license": "4301050600",
"primary": true
}
],
"identifiers": [
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "MHP FENTON",
"identifier": "1020941",
"state": "MI"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "FIRST HEALTH",
"identifier": "1608119",
"state": "MI"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "HAP/HEALTH ALLIANCE PLAN",
"identifier": "230141",
"state": "MI"
},
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "4822494100",
"state": "MI"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "BLUE CHOICE",
"identifier": "300B511530",
"state": "MI"
},
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "4822485100",
"state": "MI"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "MCLAREN",
"identifier": "4020942",
"state": "MA"
},
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "4822449100",
"state": "MI"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "TRADITIONAL BLUE CROSS",
"identifier": "300B511530",
"state": "MI"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "BCBS OF MI",
"identifier": "300B563870",
"state": "MI"
},
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "4891787",
"state": "MI"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "MCARE",
"identifier": "RA820073",
"state": "MI"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "HEALTH PLUS",
"identifier": "0990536",
"state": "MI"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "MCLAREN HEALTH PLAN",
"identifier": "1020941",
"state": "MI"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "BCBS OF MI",
"identifier": "300B560780",
"state": "MI"
},
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "4891811",
"state": "MI"
}
],
"endpoints": [
{
"endpointType": "DIRECT",
"endpointTypeDescription": "Direct Messaging Address",
"endpoint": "mweiss265762@upmc.direct-ci.com",
"affiliation": "N",
"address_1": "600 Grant St",
"address_2": "Floor 58",
"city": "Pittsburgh",
"state": "PA",
"country_code": "US",
"postal_code": "152192702",
"country_name": "United States",
"address_type": "DOM"
}
],
"other_names": []
}
Other providers in Flint, MI
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 9, 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.