Katelyn Sullivan, D.O.

Primary specialty

Emergency Medicine PhysicianTaxonomy code 207P00000X

License

274956 Issued in MA

Practice address

Baystate Medical Ctr
759 Chestnut Steet
Springfield, MA 01199-0001

Phone

(413) 794-0000

NPI assigned

Mar 23, 2015

Sex

Female

Sole proprietor

Yes

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: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Emergency Medicine

Education

Other, 2015

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

South Shore Health Express IncGroup PAC ID 6406108836, 30 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Tufts Medical Center Hospital, Boston, MA, CCN 220116
• South Shore Hospital Hospital, South Weymouth, MA, CCN 220100

Merit-based Incentive Payment System (MIPS)

Final score

92.4 of 100Reported as group

Quality

82.53

Improvement activities

40

Cost

73.37

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

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.

• South Shore Health Express, Inc

  • Urgent Care Clinic/Center
  • Weymouth, MA
  • NPI 1477044212
  Medicare reassignment Care Compare group NPD
• Brockton Hospital, Inc.

  • General Acute Care Hospital
  • Brockton, MA
  • NPI 1063431286
  Medicare reassignment NPD
• Coastal Medical Associates

  • Anesthesiology Physician
  • Weymouth, MA
  • NPI 1932175684
  Medicare reassignment NPD
• Steward Emergency Physicians, Inc

  • Emergency Medicine Physician
  • Ayer, MA
  • NPI 1780971275
  Medicare reassignment NPD
• Tufts Medical Center Ep LLC

  • Emergency Medicine Physician
  • Boston, MA
  • NPI 1609015262
  Medicare reassignment NPD
• Brockton Hospital, Inc.

  • Community/Retail Pharmacy
  • East Bridgewater, MA
  • NPI 1033084462
  NPD
• South Shore Health Express, Inc

  • Urgent Care Clinic/Center
  • Braintree, MA
  • NPI 1487203246
  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
• 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": "1427068800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1205220720",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "BAYSTATE MEDICAL CTR",
            "address_2": "759 CHESTNUT STEET",
            "city": "SPRINGFIELD",
            "state": "MA",
            "postal_code": "011990001",
            "telephone_number": "413-794-0000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "BAYSTATE MEDICAL CTR",
            "address_2": "759 CHESTNUT STEET",
            "city": "SPRINGFIELD",
            "state": "MA",
            "postal_code": "011990001",
            "telephone_number": "413-794-0000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SULLIVAN",
        "first_name": "KATELYN",
        "name_prefix": "Dr.",
        "credential": "D.O.",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2015-03-23",
        "last_updated": "2025-09-11",
        "certification_date": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "MA",
            "license": "274956",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Neilesh Prem Sud, DO
• Stanquinto Marquqle Sudduth
• Julia Rose Sugrue
• Brenna Sullivan
• Jocelynn Sullivan, MSW
• Laurie Sullivan, LICSW
• Michele Sullivan, RN
• Mollie Moriarty Sullivan, M.ED, LMHC
• Piyali Summer, RN
• Tiffany Summers

• Emergency Medicine Physician in Springfield, MA
• Providers in Springfield, MA by specialty
• Emergency Medicine Physician in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 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.