Katherine Magness Claesson, APRN

Primary specialty

Acute Care Nurse PractitionerTaxonomy code 363LA2100X

License

115395-23 Issued in NH

Practice address

246 Pleasant St Ste 205
Concord, NH 03301-7546

Phone

(603) 224-0584

Fax

(603) 227-7560

NPI assigned

Apr 26, 2025

Sex

Female

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in NH

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

Specialty

Nurse Practitioner

Education

Other, 2025

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Concord Hospital IncGroup PAC ID 6103721790, 572 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Concord Hospital Hospital, Concord, NH, CCN 300001

Medicare enrollment (NPD)

Enrolled

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.

• Concord Hospital, Inc.

  • Emergency Medicine Physician
  • Concord, NH
  • NPI 1194778571
  Medicare reassignment Care Compare group NPD
• Concord Hospital, Inc.

  • Psychiatric Hospital Unit
  • Concord, NH
  • NPI 1124070966
  NPD
• Concord Hospital, Inc.

  • General Practice Physician
  • Concord, NH
  • NPI 1801840764
  NPD

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

• Concord Hospital, Inc.

  • General Acute Care Hospital
  • Concord, NH
  • NPI 1215988530
  Care Compare affiliation

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

{
    "created_epoch": "1745625600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757030400000",
    "number": "1063200574",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "250 PLEASANT ST",
            "city": "CONCORD",
            "state": "NH",
            "postal_code": "033012598",
            "telephone_number": "603-227-7000",
            "fax_number": "603-227-7827"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "246 PLEASANT ST STE 205",
            "city": "CONCORD",
            "state": "NH",
            "postal_code": "033017546",
            "telephone_number": "603-224-0584",
            "fax_number": "603-227-7560"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CLAESSON",
        "first_name": "KATHERINE",
        "middle_name": "MAGNESS",
        "credential": "APRN",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2025-04-26",
        "last_updated": "2025-09-05",
        "certification_date": "2025-09-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LA2100X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Acute Care",
            "state": "NH",
            "license": "115395-23",
            "primary": true
        },
        {
            "code": "163W00000X",
            "taxonomy_group": "",
            "desc": "Registered Nurse",
            "state": "ME",
            "license": "RN57028",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "kclaesson@crhc.cernerdirect.com",
            "affiliation": "N",
            "endpointDescription": "Concord Hospital direct email address",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "CCDA",
            "address_1": "246 Pleasant St Ste 205",
            "city": "Concord",
            "state": "NH",
            "country_code": "US",
            "postal_code": "033017546",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Ralph Joseph Cimon III, D.M.D.
• Mark John Ciocca, PH.D.
• Carli Cioppa
• Caitlin Cirame, MSN, APRN, PMHNP-BC
• City of Concord
• Audrey Clairmont, MSW, LICSW, MLADC
• Patricia E Clancy, MD
• Elizabeth Clardy, MD
• Shaira Clarissa, NON EMERGENCY TRANSP
• Allison Clark, LICSW

• Acute Care Nurse Practitioner in Concord, NH
• Providers in Concord, NH by specialty
• Acute Care Nurse Practitioner in New Hampshire

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 5, 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.
• 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.