Diana K Cohen, M.D.

Primary specialty

Dermatology PhysicianTaxonomy code 207N00000X

License

925-320 Issued in WI

Practice address

1610 Maxwell Dr Ste 210
Hudson, WI 54016-4004

Phone

(715) 386-5278

Fax

(715) 386-5508

NPI assigned

Apr 21, 2013

Last updated

May 28, 2026By the provider in NPPES

Sex

Female

Sole proprietor

No

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

Specialties & licenses 6

Addresses

Other names 1

• Diana M Kost Former name

Electronic endpoints 4

Medicare fee-for-service enrollment

Enrolled in MN, WI2 enrollments

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 2

Specialty

Dermatology

Education

Northwestern University Feinberg Medical School, 2013

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Forefront Dermatology SCGroup PAC ID 3779471701, shared by 26 NPIs, 650 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Hudson Hospital Hospital, Hudson, WI, CCN 521335

Merit-based Incentive Payment System (MIPS)

Final score

97.45 of 100Reported as group

Promoting interoperability

97

Improvement activities

40

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: diana.cohen@forefrontdermatology.emadirect.md

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.

• Forefront Dermatology, S.C.

  • Dermatology Physician
  • Appleton, WI
  • NPI 1083768253
  Medicare reassignment NPD
• Forefront Dermatology, S.C.

  • Dermatology Physician
  • Lakeville, MN
  • NPI 1659747731
  Medicare reassignment NPD
• Forefront Dermatology, S.C.

  • Dermatology Physician
  • Mequon, WI
  • NPI 1225473713
  NPD
• Forefront Dermatology, S.C.

  • Dermatology Physician
  • Columbus, OH
  • NPI 1063365385
  NPD
• Forefront Dermatology, S.C.

  • Dermatology Physician
  • Woodbury, MN
  • NPI 1164898250
  NPD
• Forefront Dermatology, S.C.

  • Dermatology Physician
  • Hudson, WI
  • NPI 1285972836
  NPD (past)
• Forefront Dermatology, S.C.

  • Dermatology Physician
  • Manitowoc, WI
  • NPI 1578515904
  NPD (past)
• Forefront Dermatology, S.C.

  • Dermatology Physician
  • Rogers, MN
  • NPI 1114393295
  NPD (past)

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

• Hudson Hospital, Inc.

  dba Hudson Hospital & Clinics

  • Critical Access Hospital
  • Hudson, WI
  • NPI 1396849303
  Care Compare affiliation

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

{
    "created_epoch": "1366502400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1779926400000",
    "number": "1467896498",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "801 YORK ST",
            "city": "MANITOWOC",
            "state": "WI",
            "postal_code": "542204630",
            "telephone_number": "920-663-9008",
            "fax_number": "920-684-1439"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1610 MAXWELL DR STE 210",
            "city": "HUDSON",
            "state": "WI",
            "postal_code": "540164004",
            "telephone_number": "715-386-5278",
            "fax_number": "715-386-5508"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1656 Dorset Ln Ste 400",
            "address_purpose": "LOCATION",
            "city": "New Richmond",
            "state": "WI",
            "postal_code": "540172449",
            "country_code": "US",
            "telephone_number": "715-246-4624",
            "fax_number": "715-386-5508",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "21410 136th Ave Ste 105A",
            "address_purpose": "LOCATION",
            "city": "Rogers",
            "state": "MN",
            "postal_code": "553744921",
            "country_code": "US",
            "telephone_number": "763-515-6200",
            "fax_number": "763-515-6202",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "4825 Olson Memorial Hwy Ste 200",
            "address_purpose": "LOCATION",
            "city": "Minneapolis",
            "state": "MN",
            "postal_code": "554225141",
            "country_code": "US",
            "telephone_number": "763-545-0443",
            "fax_number": "763-545-2784",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "COHEN",
        "first_name": "DIANA",
        "middle_name": "K",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2013-04-21",
        "last_updated": "2026-05-28",
        "certification_date": "2026-05-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207N00000X",
            "taxonomy_group": "",
            "desc": "Dermatology",
            "state": "MN",
            "license": "58913",
            "primary": false
        },
        {
            "code": "207N00000X",
            "taxonomy_group": "",
            "desc": "Dermatology",
            "state": "WI",
            "license": "925-320",
            "primary": true
        },
        {
            "code": "207ND0101X",
            "taxonomy_group": "",
            "desc": "Dermatology, MOHS-Micrographic Surgery",
            "state": "MN",
            "license": "58913",
            "primary": false
        },
        {
            "code": "207ND0101X",
            "taxonomy_group": "",
            "desc": "Dermatology, MOHS-Micrographic Surgery",
            "state": "WI",
            "license": "925-320",
            "primary": false
        },
        {
            "code": "207NS0135X",
            "taxonomy_group": "",
            "desc": "Dermatology, Procedural Dermatology",
            "state": "MN",
            "license": "58913",
            "primary": false
        },
        {
            "code": "207NS0135X",
            "taxonomy_group": "",
            "desc": "Dermatology, Procedural Dermatology",
            "state": "WI",
            "license": "925-320",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "Diana.Cohen@forefrontdermatology.emadirect.md",
            "affiliation": "N",
            "address_1": "21410 136th Ave Ste 105A",
            "city": "Rogers",
            "state": "MN",
            "country_code": "US",
            "postal_code": "553744921",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "Diana.Cohen@forefrontdermatology.emadirect.md",
            "affiliation": "N",
            "address_1": "1610 Maxwell Dr Ste 210",
            "city": "Hudson",
            "state": "WI",
            "country_code": "US",
            "postal_code": "540164004",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "Diana.Cohen@forefrontdermatology.emadirect.md",
            "affiliation": "N",
            "address_1": "4825 Olson Memorial Hwy Ste 200",
            "city": "Minneapolis",
            "state": "MN",
            "country_code": "US",
            "postal_code": "554225141",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "Diana.Cohen@forefrontdermatology.emadirect.md",
            "affiliation": "N",
            "address_1": "1656 Dorset Ln Ste 400",
            "city": "New Richmond",
            "state": "WI",
            "country_code": "US",
            "postal_code": "540172449",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": [
        {
            "first_name": "DIANA",
            "last_name": "KOST",
            "middle_name": "M",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

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• Consumer Direct for Minnesota, LLC
• Consumer Direct for Wisconsin, LLC (Consumer Direct)
• Cook and Henriksen Chiropractic LLC

• Dermatology Physician in Hudson, WI
• Providers in Hudson, WI by specialty
• Dermatology Physician in Wisconsin

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 28, 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.