NPIMap

Individual provider Active NPI

David V Maruska, MD

  • Family Medicine Physician
  • Oshkosh, WI
National Provider Identifier
1508848847
Registry record updated Jun 8, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Medicine PhysicianTaxonomy code 207Q00000X
License
28554 Issued in WI
Practice address
250 W 6TH Ave
Oshkosh, WI 54902-5910
Phone
(920) 237-5000
Fax
(920) 237-5011
NPI assigned
Nov 14, 2005
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 8, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Family Medicine Physician 207Q00000X 28554 WI Primary

Addresses

Primary practice location

250 W 6TH Ave
Oshkosh, WI 54902-5910

Mailing address

3 Neenah Ctr
Neenah, WI 54956-3070
Phone (920) 830-5900

Other identifiers 2

IdentifierTypeStateIssuer
010053846OtherWIRAILROAD MEDICARE
31478700MedicaidWI

Electronic endpoints 2

TypeEndpointUseAffiliation
Direct Messaging Address dmaruska330611@direct-ehr-ssmhc.com Direct
FHIR URL https://fhir.ssmhc.com/fhir/api/FHIR/DSTU2/ Other

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in WI
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20051026000954 WI Practitioner - Family Practice 3779500012 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Family Practice
Education
Other, 1986
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Thedacare, IncorporatedGroup PAC ID 1759294887, 654 clinicians

Practice addresses (Care Compare)

600 N Westhaven Dr
Oshkosh, WI 54904-6926
Phone (920) 237-5000

Hospital & facility affiliations

  • Thedacare Regional Medical Center - Appleton Inc Hospital, Appleton, WI, CCN 520160
  • Thedacare Regional Med Ctr - Neenah Hospital, Neenah, WI, CCN 520045

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
28554WIMDFamily Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Thedacare, Incorporated Family Medicine CurrentSince Oct 31, 2025 Accepting new patients
Thedacare Medical Center - Berlin, Inc. Past Accepting new patients

Locations

4480 W Spencer St
Appleton, WI 54914
Phone (920) 738-4800

225 Memorial Dr
Berlin, WI 54923
Phone (920) 361-1313

3 Neenah Ctr
Neenah, WI 54956
Phone (920) 454-4229

600 N Westhaven Dr
Oshkosh, WI 54904
Phone (920) 237-5000

250 W 6th Ave
Oshkosh, WI 54902
Phone (920) 237-5000

Interoperability endpoints

  • Direct secure messaging: dmaruska330611@direct-ehr-ssmhc.com

Organizations & group practices 2

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 12

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": "1131926400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1780876800000",
    "number": "1508848847",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3 NEENAH CTR",
            "city": "NEENAH",
            "state": "WI",
            "postal_code": "549563070",
            "telephone_number": "920-830-5900",
            "fax_number": "920-830-5910"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "250 W 6TH AVE",
            "city": "OSHKOSH",
            "state": "WI",
            "postal_code": "549025910",
            "telephone_number": "920-237-5000",
            "fax_number": "920-237-5011"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MARUSKA",
        "first_name": "DAVID",
        "middle_name": "V",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-11-14",
        "last_updated": "2026-06-08",
        "certification_date": "2026-06-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "WI",
            "license": "28554",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "RAILROAD MEDICARE",
            "identifier": "010053846",
            "state": "WI"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "31478700",
            "state": "WI"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "dmaruska330611@direct-ehr-ssmhc.com",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "dmaruska330611@direct-ehr-ssmhc.com",
            "address_1": "420 E Division St",
            "city": "Fond Du Lac",
            "state": "WI",
            "country_code": "US",
            "postal_code": "549354560",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://fhir.ssmhc.com/fhir/api/FHIR/DSTU2/",
            "affiliation": "N",
            "use": "OTHER",
            "useDescription": "Other",
            "useOtherDescription": "FHIR API",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "CCD",
            "address_1": "420 E Division St",
            "city": "Fond Du Lac",
            "state": "WI",
            "country_code": "US",
            "postal_code": "549354560",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Oshkosh, WI

Sources for this page

Verify at the official NPI Registry.