Kai-Yin Hsu

Primary specialty

Gerontology Nurse PractitionerTaxonomy code 363LG0600X

License

RN2277656 Issued in MA

Practice address

800 Washington St
Boston, MA 02111-1552

Phone

(617) 636-5400

NPI assigned

Jul 21, 2009

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Enrolled in MA

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, 2016

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Pratt Medical Group IncGroup PAC ID 3375515661, 282 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Tufts Medical Center Hospital, Boston, MA, CCN 220116

Medicare enrollment (NPD)

Enrolled

Credentials

Certified Nurse Practitioner, Nurse Practitioner

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: khsu32120@tuftsmedicine.direct-ci.com

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.

• Pratt Medical Group, Inc

  • Internal Medicine Physician
  • Boston, MA
  • NPI 1275570319

  Multi-Specialty

  Medicare reassignment Care Compare group NPD
• First Psychiatric Planners, Inc

  • Psychiatric Hospital
  • Brookline, MA
  • NPI 1093714412

  Multi-Specialty

  Medicare reassignment NPD
• Bournewood Clinical Associates

  • Nurse Practitioner
  • Brookline, MA
  • NPI 1891780144

  Multi-Specialty

  NPD
• Pratt Medical Group, Inc

  • Internal Medicine Physician
  • Boston, MA
  • NPI 1336460476

  Multi-Specialty

  NPD
• Pratt Medical Group, Inc

  • Pulmonary Disease Physician
  • Boston, MA
  • NPI 1508187642

  Multi-Specialty

  NPD
• Pratt Medical Group, Inc

  • Orthopaedic Surgery Physician
  • Boston, MA
  • NPI 1184661225
  NPD (past)

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

• Tufts Medical Center, Inc.

  • General Acute Care Hospital
  • Boston, MA
  • NPI 1730132515
  Care Compare affiliation

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

{
    "created_epoch": "1248134400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1762473600000",
    "number": "1962632208",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "15 EDGECLIFF RD",
            "city": "WATERTOWN",
            "state": "MA",
            "postal_code": "024723544"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "800 WASHINGTON ST",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021111552",
            "telephone_number": "617-636-5400"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HSU",
        "first_name": "KAI-YIN",
        "name_prefix": "Ms.",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2009-07-21",
        "last_updated": "2025-11-07",
        "certification_date": "2025-11-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LG0600X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Nurse Practitioner, Gerontology",
            "state": "MA",
            "license": "RN2277656",
            "primary": true
        },
        {
            "code": "171100000X",
            "taxonomy_group": "",
            "desc": "Acupuncturist",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Joanne Ino Hsu, MD, PHD
• Joey Kun Hsu
• Jui Hsu
• Julia Hsu, M.D.
• Justina Hsu, OTR/L
• Katherine K Hsu, MD, MPH
• Kelly Cherng Huan Hsu
• Lee K Hsu, MD, FRC PSYCH
• Liangge Hsu, MD
• Michael Hsu

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

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 7, 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.