Douglas A Zwemer, MD

Primary specialty

Surgery PhysicianTaxonomy code 208600000X

License

4301061383 Issued in MI

Practice address

1445 Sheldon Rd Ste 201
Grand Haven, MI 49417-2479

Phone

(616) 758-4720

Fax

(616) 758-4725

NPI assigned

Oct 13, 2006

Last updated

Aug 18, 2026By the provider in NPPES

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

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

Specialty

General Surgery

Education

Wayne State University School of Medicine, 1993

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Practice addresses (Care Compare)

Hospital & facility affiliations

• Trinity Health Muskegon Hospital Hospital, Muskegon, MI, CCN 230066
• Trinity Health Grand Haven Hospital Hospital, Grand Haven, MI, CCN 230174

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• FHIR API: https://fhir4.healow.com/fhir/r4/GAIJCA/Endpoint/GAIJCA

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Zwemer Surgical PLC

  • Surgery Physician
  • Muskegon, MI
  • NPI 1578987368
  Medicare reassignment NPD Authorized official
• Mercy Health Partners

  dba Mercy Health Muskegon

  • General Acute Care Hospital
  • Muskegon, MI
  • NPI 1831132133
  NPD (past)
• Mercy Health Partners Sub-Specialty Services

  dba Trinity Health Medical Group

  • Internal Medicine Physician
  • Muskegon, MI
  • NPI 1124042700

  Surgery

  NPD (past)

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

• Mercy Health Partners

  dba Mercy Health Muskegon

  • General Acute Care Hospital
  • Muskegon, MI
  • NPI 1831132133
  Care Compare affiliation
• Trinity Health Grand Haven Hospital

  • General Acute Care Hospital
  • Grand Haven, MI
  • NPI 1942379284
  Care Compare affiliation

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1160697600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787011200000",
    "number": "1386734184",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 776982",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606776982",
            "telephone_number": "800-494-5797"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1445 SHELDON RD STE 201",
            "city": "GRAND HAVEN",
            "state": "MI",
            "postal_code": "494172479",
            "telephone_number": "616-758-4720",
            "fax_number": "616-758-4725"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ZWEMER",
        "first_name": "DOUGLAS",
        "middle_name": "A",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-10-13",
        "last_updated": "2026-08-18",
        "certification_date": "2026-08-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "MI",
            "license": "4301061383",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Jennifer Zelenka-Rauch, DC
• Jennifer Marie Zerkle, FNP-C
• Chad M Zillich, DDS
• Keely Rae Zimmer
• Anne Marie Zuidema, GNP-C

• Surgery Physician in Grand Haven, MI
• Providers in Grand Haven, MI by specialty
• Surgery Physician in Michigan

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 18, 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.

Verify at the official NPI Registry.