Individual provider Active NPI

Mark Weiss, MD

  • Vascular & Interventional Radiology Physician
  • Flint, MI
National Provider Identifier
1609834019
Registry record updated Sep 9, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Vascular & Interventional Radiology PhysicianTaxonomy code 2085R0204X
License
4301050600 Issued in MI
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

Updated by the provider on Sep 9, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
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

IdentifierTypeStateIssuer
1020941OtherMIMHP FENTON
1608119OtherMIFIRST HEALTH
230141OtherMIHAP/HEALTH ALLIANCE PLAN
4822494100MedicaidMI
300B511530OtherMIBLUE CHOICE
4822485100MedicaidMI
4020942OtherMAMCLAREN
4822449100MedicaidMI
300B511530OtherMITRADITIONAL BLUE CROSS
300B563870OtherMIBCBS OF MI
4891787MedicaidMI
RA820073OtherMIMCARE
0990536OtherMIHEALTH PLUS
1020941OtherMIMCLAREN HEALTH PLAN
300B560780OtherMIBCBS OF MI
4891811MedicaidMI

Electronic endpoints 1

TypeEndpointUseAffiliation
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
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20110221000749 PA Practitioner - Diagnostic Radiology 7719883073 Reassigns benefits to 1 organization

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 Hospital, Altoona, PA, CCN 390073
  • Upmc Bedford Memorial Hospital, Everett, PA, CCN 390117

Merit-based Incentive Payment System (MIPS)

Final score
79.88 of 100Reported as group
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

LicenseStateTypeSpecialty
4301050600MIMDVascular & Interventional Radiology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Upmc Altoona Regional Health Services, Inc CurrentSince Jan 1, 2015 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 PastSince Oct 29, 2022 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

  • Direct secure messaging: mark.weiss@upmcdirect.com
  • Direct secure messaging: 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.

Hospital & facility affiliations 6

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

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

Verify at the official NPI Registry.