Caitlin Grahn, PA-C

Primary specialty

Physician AssistantTaxonomy code 363A00000X

License

PA101358 Issued in MA

Practice address

2 Pond Park Rd Ste 102
Hingham, MA 02043-4354

Phone

(781) 337-5555

NPI assigned

Jun 10, 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 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

Physician Assistant

Education

Other, 2024

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Northeast Orthopaedic Alliance PLLCGroup PAC ID 5991149809, 288 clinicians

South Shore Orthopedics LLCGroup PAC ID 7517057284, 37 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• South Shore Hospital Hospital, South Weymouth, MA, CCN 220100

Medicare enrollment (NPD)

Enrolled

Credentials

Physician Assistant

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.

• Northeast Orthopaedic Alliance PLLC

  • Orthopaedic Surgery Physician
  • Waltham, MA
  • NPI 1417724170
  Medicare reassignment Care Compare group NPD (past)
• South Shore Orthopedics LLC

  • Orthopaedic Surgery Physician
  • Hingham, MA
  • NPI 1720285018
  Medicare reassignment Care Compare group
• Coastal Medical Associates

  • Anesthesiology Physician
  • Weymouth, MA
  • NPI 1932175684
  Medicare reassignment
• South Shore Medical Center, Inc.

  • Internal Medicine Physician
  • Norwell, MA
  • NPI 1669411856
  Medicare reassignment
• South Shore Orthopedics, LLC

  • Orthopaedic Surgery Physician
  • Abington, MA
  • NPI 1629793591
  NPD

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

• South Shore Hospital Inc.

  • General Acute Care Hospital
  • South Weymouth, MA
  • NPI 1134227606
  Care Compare affiliation

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

{
    "created_epoch": "1717977600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1775779200000",
    "number": "1912749201",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "71 BORDER RD STE 300",
            "city": "WALTHAM",
            "state": "MA",
            "postal_code": "024511044"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2 POND PARK RD STE 102",
            "city": "HINGHAM",
            "state": "MA",
            "postal_code": "020434354",
            "telephone_number": "781-337-5555"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "55 Fogg Rd",
            "address_purpose": "LOCATION",
            "city": "Weymouth",
            "state": "MA",
            "postal_code": "021902432",
            "country_code": "US",
            "telephone_number": "781-624-8000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "GRAHN",
        "first_name": "CAITLIN",
        "credential": "PA-C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2024-06-10",
        "last_updated": "2026-04-10",
        "certification_date": "2026-04-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "MA",
            "license": "PA101358",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Colleen Erin Gorman, FNP-BC
• Elizabeth Mary Gosnell
• Pamela Amparo Gotay, BCBA
• Grace Niklas
• Maryellen Graham, RN
• Granite Health and Wellness PLLC
• Stephanie D Grant-Whitney, PMHNP - BC, CNP
• Greater Boston ABA Associates
• Tammy Anne Greeley-Garvin, D.C.
• Barbara Green, PHD

• Physician Assistant in Hingham, MA
• Providers in Hingham, MA by specialty
• Physician Assistant in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 10, 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.