Individual provider Active NPI

Thomas A Malvitz, MD

  • Orthopaedic Surgery Physician
  • Grand Rapids, MI
National Provider Identifier
1912995408
Registry record updated Apr 7, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Orthopaedic Surgery PhysicianTaxonomy code 207X00000X
License
4301050914 Issued in MI
Practice address
1111 Leffingwell Ave NE
Grand Rapids, MI 49525-6406
Phone
(616) 459-7101
NPI assigned
Oct 10, 2005
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 7, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Orthopaedic Surgery Physician 207X00000X 4301050914 MI Primary

Addresses

Primary practice location

1111 Leffingwell Ave NE
Grand Rapids, MI 49525-6406

Mailing address

1111 Leffingwell Ave NE
Grand Rapids, MI 49525-6406
Phone (616) 459-7101

Other identifiers 1

IdentifierTypeStateIssuer
4171024MedicaidMI

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
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20080409000674 MI Practitioner - Orthopedic Surgery 2062489834 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Orthopedic Surgery
Education
University of Michigan Medical School, 1982
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Orthopaedic Associates of Grand Rapids PCGroup PAC ID 9537136403, 86 clinicians
Center for Physical Rehabilitation IncGroup PAC ID 6901717768, 352 clinicians
Center for Physical Rehabilitation and Therapy LPGroup PAC ID 0941513303, 365 clinicians

Practice addresses (Care Compare)

1111 Leffingwell Ave NE
Grand Rapids, MI 49525-6406
Phone (616) 459-7101

1840 Wealthy St SE
Grand Rapids, MI 49506-2921
Phone (616) 774-7444

5060 Cascade Rd
Suite a
Grand Rapids, MI 49546-3808

5060 Cascade Rd SE
Suite a
Grand Rapids, MI 49546-3808

Hospital & facility affiliations

  • Porter Hills Home Health Care Home health agency, Grand Rapids, MI, CCN 237255
  • Spectrum Health Hospital, Grand Rapids, MI, CCN 230038
  • Spectrum Health United Hospital Hospital, Greenville, MI, CCN 230035
  • Corewell Health Big Rapids Hospital Hospital, Big Rapids, MI, CCN 230093
  • Corewell Health Gerber Hospital Hospital, Fremont, MI, CCN 231338

Merit-based Incentive Payment System (MIPS)

Final score
78.51 of 100Reported as group
Quality
49.04
Promoting interoperability
96
Improvement activities
40
Cost
82.67

Procedures performed for Medicare patients

ProcedureNumber of procedures
Hip replacement32
Knee replacement26
Lower limb (leg) arthroscopy (minimally invasive joint repair)1-10

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

Practice roles

OrganizationSpecialtyStatusNew patients
Orthopaedic Associates of Grand Rapids, PC Orthopaedic Surgery CurrentSince Jan 1, 2000 Accepting new patients
Orthopaedic Associates of Grand Rapids PC Orthopaedic Surgery CurrentSince Jan 1, 2000 Accepting new patients

Locations

100 Michigan St NE
Grand Rapids, MI 49503
Phone (616) 391-1680

555 Midtowne St NE
Ste 105
Grand Rapids, MI 49503

1111 Leffingwell Ave NE
Grand Rapids, MI 49525
Phone 61645971011381

1111 Leffingwell Ave NE
Ste 100
Grand Rapids, MI 49525
Phone 61645971011381

Interoperability endpoints

  • Direct secure messaging: thomas.malvitz.p1@direct.oam.nextgenshare.com

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.

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": "1128902400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1743984000000",
    "number": "1912995408",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1111 LEFFINGWELL AVE NE",
            "city": "GRAND RAPIDS",
            "state": "MI",
            "postal_code": "495256406",
            "telephone_number": "616-459-7101"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1111 LEFFINGWELL AVE NE",
            "city": "GRAND RAPIDS",
            "state": "MI",
            "postal_code": "495256406",
            "telephone_number": "616-459-7101"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MALVITZ",
        "first_name": "THOMAS",
        "middle_name": "A",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-10-10",
        "last_updated": "2025-04-07",
        "certification_date": "2025-04-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207X00000X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery",
            "state": "MI",
            "license": "4301050914",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "4171024",
            "state": "MI"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Grand Rapids, MI

Sources for this page

Verify at the official NPI Registry.