Jennifer Lynn Sittambalam, PA

Primary specialty

Physician AssistantTaxonomy code 363A00000X

Practice address

26 Thomson PL
Boston, MA 02210-1212

Phone

(888) 663-6331

Fax

(415) 252-7176

NPI assigned

May 2, 2023

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, 2023

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Mass General Brigham Community Physicians IncGroup PAC ID 1759273436, 430 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Physician Assistant

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.

• Mass General Brigham Community Physicians Inc.

  • Internal Medicine Physician
  • Haverhill, MA
  • NPI 1891112637
  Medicare reassignment Care Compare group
• Mass General Brigham Community Physicians Inc.

  • Family Medicine Physician
  • Boston, MA
  • NPI 1265094122
  NPD
• Mass General Brigham Community Physicians Inc.

  • Internal Medicine Physician
  • Concord, MA
  • NPI 1174545875
  NPD (past)

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

{
    "created_epoch": "1682985600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1770681600000",
    "number": "1922797349",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "422 EAST ST",
            "city": "BROCKTON",
            "state": "MA",
            "postal_code": "023024134",
            "telephone_number": "860-751-4339"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "26 THOMSON PL",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "022101212",
            "telephone_number": "888-663-6331",
            "fax_number": "415-252-7176"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "300 Needham St Ste 1B",
            "address_purpose": "LOCATION",
            "city": "Newton",
            "state": "MA",
            "postal_code": "024641572",
            "country_code": "US",
            "telephone_number": "860-751-4339",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "SITTAMBALAM",
        "first_name": "JENNIFER",
        "middle_name": "LYNN",
        "credential": "PA",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2023-05-02",
        "last_updated": "2026-02-10",
        "certification_date": "2026-02-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Nataly Sisquiarco
• Rebecca Sistad
• Nathaniel Douglas Sisterson
• Aditya Sistla
• Jessica Sitko, MD
• Kristen Situ
• Emily Siu
• Jessica Siu
• Myron Siu, M.D.
• Sajana Sivagnanam

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

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