Susan Mihwa Townsend Haffner, APRN, CNP, PMHNP-BC

Primary specialty

Psychiatric/Mental Health Nurse PractitionerTaxonomy code 363LP0808X

License

7990 Issued in MN

Practice address

621 W Lake St Ste 350
Minneapolis, MN 55408-2952

Phone

(612) 979-2276

Fax

(651) 925-0427

NPI assigned

Jan 26, 2021

Sex

Female

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 MN

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

Medicare enrollment (NPD)

Enrolled

Credentials

Certified Nurse Practitioner, Certified Nurse Specialist

State licenses

Practice roles

Locations

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.

• Lyn-Lake Psychotherapy and Wellness LTD.

  • Clinical Psychologist
  • Minneapolis, MN
  • NPI 1609355163
  Medicare reassignment NPD
• Nystrom & Associates, LTD

  • Clinical Social Worker
  • New Brighton, MN
  • NPI 1396750188
  Medicare reassignment NPD

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

{
    "created_epoch": "1611619200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1765324800000",
    "number": "1659961498",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "621 W LAKE ST STE 350",
            "city": "MINNEAPOLIS",
            "state": "MN",
            "postal_code": "554082952",
            "telephone_number": "612-979-2276",
            "fax_number": "651-925-0427"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "621 W LAKE ST STE 350",
            "city": "MINNEAPOLIS",
            "state": "MN",
            "postal_code": "554082952",
            "telephone_number": "612-979-2276",
            "fax_number": "651-925-0427"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HAFFNER",
        "first_name": "SUSAN MIHWA",
        "middle_name": "TOWNSEND",
        "name_prefix": "Dr.",
        "credential": "APRN, CNP, PMHNP-BC",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2021-01-26",
        "last_updated": "2025-12-10",
        "certification_date": "2025-12-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LP0808X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Psychiatric/Mental Health",
            "state": "MN",
            "license": "7990",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Mahan Jason Hadjian, DO
• Nicole Haecherl
• James W Haefemeyer, MD
• Danielle Haese, PT
• Brooke Haesemeyer
• Lian Hagage, M.D.
• Jennifer D Hagan, MA LADC LPCC
• Elnora Michelle Hagans, N.P.
• Gavin Alexander Hage
• Hildi Hagedorn, PHD

• Psychiatric/Mental Health Nurse Practitioner in Minneapolis, MN
• Providers in Minneapolis, MN by specialty
• Psychiatric/Mental Health Nurse Practitioner in Minnesota

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 10, 2025; 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.