Karen Pak, NP

Primary specialty

Nurse PractitionerTaxonomy code 363L00000X

License

11676 Issued in MN

Practice address

450 Brookline Ave
Boston, MA 02215-5450

Phone

(617) 632-2140

NPI assigned

Apr 15, 2024

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, MA2 enrollments

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 2

Specialty

Nurse Practitioner

Education

Other, 2024

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Mayo ClinicGroup PAC ID 6507778255, 4,829 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Mayo Clinic Hospital Rochester Hospital, Rochester, MN, CCN 240010
• Mayo Clinic Health System in Red Wing Hospital, Red Wing, MN, CCN 240018
• Mayo Clinic Health System - Mankato Hospital, Mankato, MN, CCN 240093
• Mayo Clinic Health System - Lake City Hospital, Lake City, MN, CCN 241338

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

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.

• Mayo Clinic

  • Multi-Specialty Clinic/Center
  • Rochester, MN
  • NPI 1922074434
  Medicare reassignment Care Compare group NPD
• Dana-Farber Cancer Institute, Inc.

  • General Acute Care Hospital
  • Boston, MA
  • NPI 1851333686
  Medicare reassignment
• Mayo Clinic

  • Clinical Medical Laboratory
  • Rochester, MN
  • NPI 1083249577
  NPD

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

• Mayo Clinic Health System-Southeast Minnesota Region

  • General Acute Care Hospital
  • Red Wing, MN
  • NPI 1164400024
  Care Compare affiliation Name & address match
• Mayo Clinic Health System-Lake City

  • Critical Access Hospital
  • Lake City, MN
  • NPI 1538113022
  Care Compare affiliation
• Mayo Clinic Health System-Southwest Minnesota Region

  • General Acute Care Hospital
  • Mankato, MN
  • NPI 1154302487
  Care Compare affiliation
• Mayo Clinic Hospital-Rochester

  • General Acute Care Hospital
  • Rochester, MN
  • NPI 1841266194
  Care Compare affiliation

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

{
    "created_epoch": "1713139200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1785283200000",
    "number": "1508610676",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "450 BROOKLINE AVE",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "022155450",
            "telephone_number": "617-632-2140",
            "fax_number": "617-632-6624"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "450 BROOKLINE AVE",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "022155450",
            "telephone_number": "617-632-2140"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "PAK",
        "first_name": "KAREN",
        "credential": "NP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2024-04-15",
        "last_updated": "2026-07-29",
        "certification_date": "2026-07-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "MN",
            "license": "11676",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Kalaila Louise Pais, MD
• Kyah Gorin Paiva, PSY.D
• Sarah Woods Paiva, DNP, RN, FNP
• Elizabeth L Pajares
• Jonathan Pak
• Luke C Pak Jr., M.D.
• Svitlana Pak
• Claire Pakenham
• Pankaj Pal
• Kevser Pala

• Nurse Practitioner in Boston, MA
• Providers in Boston, MA by specialty
• Nurse Practitioner in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 29, 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.