Individual provider Active NPI

Mark W Niedfeldt, MD

  • Family Medicine Physician
  • Mequon, WI
National Provider Identifier
1205887775
Registry record updated Sep 24, 2024
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Medicine PhysicianTaxonomy code 207Q00000X
License
35201 Issued in WI
Practice address
10325 N Port Washington Rd Ste 150
Mequon, WI 53092-5768
Phone
(262) 643-4720
Fax
(262) 643-4721
NPI assigned
May 12, 2006
Last updated
Sep 24, 2024By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 24, 2024

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 35201 WI Primary

Addresses

Primary practice location

10325 N Port Washington Rd Ste 150
Mequon, WI 53092-5768

Mailing address

10556 North Port Washington Road
Suite 101
Mequon, WI 53092-5586
Phone (262) 643-4720

Other identifiers 2

IdentifierTypeStateIssuer
32113600MedicaidWI
002000187COtherHUMANA

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in WI
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
I20040820000961 WI Practitioner - Family Practice 7618941113 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Family Practice
Education
Medical College of Wisconsin, 1988
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Colab Physicians, SCGroup PAC ID 1052853561, 2 clinicians

Practice addresses (Care Compare)

10325 N Port Washington Rd
Suite 150
Mequon, WI 53092-5768
Phone (262) 643-4720

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Removal of tissue1-10

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
35201WIMDFamily Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Colab Physicians, SC Family Medicine CurrentSince Jul 27, 2023 Accepting new patients
Mark W Niedfeldt, MD, LLC Family Medicine Past Accepting new patients

Locations

6400 Industrial Loop
Greendale, WI 53129
Phone (414) 423-4100

10325 N Port Washington Rd
Ste 150
Mequon, WI 53092
Phone (262) 241-1701

Interoperability endpoints

  • Direct secure messaging: mark.niedfeldt.1@18732.direct.athenahealth.com
  • Direct secure messaging: mark.niedfeldt@101378185428996.direct.elationemr.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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

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": "1147392000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1727136000000",
    "number": "1205887775",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "10556 NORTH PORT WASHINGTON ROAD",
            "address_2": "SUITE 101",
            "city": "MEQUON",
            "state": "WI",
            "postal_code": "530925586",
            "telephone_number": "262-643-4720",
            "fax_number": "262-643-4721"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "10325 N PORT WASHINGTON RD STE 150",
            "city": "MEQUON",
            "state": "WI",
            "postal_code": "530925768",
            "telephone_number": "262-643-4720",
            "fax_number": "262-643-4721"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "NIEDFELDT",
        "first_name": "MARK",
        "middle_name": "W",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-05-12",
        "last_updated": "2024-09-24",
        "certification_date": "2024-09-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "WI",
            "license": "35201",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "32113600",
            "state": "WI"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "HUMANA",
            "identifier": "002000187C",
            "state": null
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Mequon, WI

Sources for this page

Verify at the official NPI Registry.