Individual provider Active NPI

Theodore J. Vanderkooi, M.D.

  • Surgery Physician
  • Muskegon, MI
National Provider Identifier
1801849120
Registry record updated Sep 9, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Surgery PhysicianTaxonomy code 208600000X
License
065627 Issued in MI
Practice address
1316 Mercy Dr
Muskegon, MI 49444-1835
Phone
(231) 739-9461
Fax
(231) 739-1984
NPI assigned
May 18, 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
Surgery Physician 208600000X 065627 MI Primary

Addresses

Primary practice location

1316 Mercy Dr
Muskegon, MI 49444-1835

Mailing address

1316 Mercy Dr
Muskegon, MI 49444-1835
Phone (231) 739-9461

Other practice location 1

230 W Oak St
Suite 201
Fremont, MI 49412-1575
Phone (231) 924-4200

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
I20101011000648 MI Practitioner - General Surgery 2365431038 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
General Surgery
Education
University of Michigan Medical School, 1995
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Muskegon Surgical Associates PCGroup PAC ID 0941262877, 27 clinicians

Practice addresses (Care Compare)

1316 Mercy Dr
Muskegon, MI 49444-1835
Phone (231) 739-9461

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Colonoscopy13
Hernia repair (minimally invasive)1-10
Upper gastrointestinal (GI) endoscopy for acid reflux1-10
Removal of tissue1-10

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
065627MIMDSurgery Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Muskegon Surgical Associates PC Surgery CurrentSince Oct 1, 2017 Accepting new patients
Muskegon Surgical Associates Surgicenter, PLC Surgery CurrentSince Jan 24, 2025 Accepting new patients
Pine Medical Group PC Surgery PastSince Jan 1, 2002 Accepting new patients
Mercy Health Partners Past Accepting new patients
Christian Healthcare Specialists, Inc. Past Accepting new patients

Locations

1672 Patriot Dr
Muskegon, MI 49444
Phone (231) 739-2470

1316 Mercy Dr
Muskegon, MI 49444
Phone (231) 739-9461

1500 E Sherman Blvd
Muskegon, MI 49444
Phone (231) 672-3027

Organizations & group practices 5

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 1

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": "1147910400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1788912000000",
    "number": "1801849120",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1316 MERCY DR",
            "city": "MUSKEGON",
            "state": "MI",
            "postal_code": "494441835",
            "telephone_number": "231-739-9461",
            "fax_number": "231-739-1981"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1316 MERCY DR",
            "city": "MUSKEGON",
            "state": "MI",
            "postal_code": "494441835",
            "telephone_number": "231-739-9461",
            "fax_number": "231-739-1984"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "230 W Oak St",
            "address_2": "Suite 201",
            "address_purpose": "LOCATION",
            "city": "Fremont",
            "state": "MI",
            "postal_code": "494121575",
            "country_code": "US",
            "telephone_number": "231-924-4200",
            "fax_number": "616-267-9046",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "VANDERKOOI",
        "first_name": "THEODORE",
        "middle_name": "J.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-05-18",
        "last_updated": "2026-09-09",
        "certification_date": "2026-09-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "MI",
            "license": "065627",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Muskegon, MI

Sources for this page

Verify at the official NPI Registry.