Nathan Kozlowski, CRNA

Primary specialty

Certified Registered Nurse AnesthetistTaxonomy code 367500000X

License

RN2351448 Issued in MA

Practice address

55 Fogg Rd
South Weymouth, MA 02190-2455

Phone

(781) 624-8000

NPI assigned

May 23, 2022

Sex

Male

Sole proprietor

No

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

Enrollment records 1

Specialty

Certified Registered Nurse Anesthetist (Crna)

Education

Other, 2023

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Coastal Medical AssociatesGroup PAC ID 7113029257, 443 clinicians

South Suburban Gastroenterology PCGroup PAC ID 9931194412, 50 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

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

Merit-based Incentive Payment System (MIPS)

Final score

86.65 of 100Reported as group

Quality

88.12

Promoting interoperability

71

Improvement activities

40

Cost

77.69

Medicare enrollment (NPD)

Enrolled

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.

• Coastal Medical Associates

  • Anesthesiology Physician
  • Weymouth, MA
  • NPI 1932175684

  Nurse Anesthetist, Certified Registered

  Medicare reassignment Care Compare group NPD
• South Suburban Gastroenterology, PC

  • Gastroenterology Physician
  • South Weymouth, MA
  • NPI 1114948478
  Medicare reassignment Care Compare group NPD
• New England Eye Surgical Assoc

  • Anesthesiology Physician
  • Weymouth, MA
  • NPI 1760449979
  Medicare reassignment NPD
• Weymouth Endoscopy, LLC

  • Endoscopy Clinic/Center
  • South Weymouth, MA
  • NPI 1033199906
  NPD (past)

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": "1653264000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1771804800000",
    "number": "1912645763",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "112 CARLI BLVD",
            "city": "COLCHESTER",
            "state": "CT",
            "postal_code": "064151875",
            "telephone_number": "860-908-2848"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "55 FOGG RD",
            "city": "SOUTH WEYMOUTH",
            "state": "MA",
            "postal_code": "021902455",
            "telephone_number": "781-624-8000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KOZLOWSKI",
        "first_name": "NATHAN",
        "credential": "CRNA",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2022-05-23",
        "last_updated": "2026-02-23",
        "certification_date": "2026-02-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "163WC0200X",
            "taxonomy_group": "",
            "desc": "Registered Nurse, Critical Care Medicine",
            "state": "MA",
            "license": "RN2351448",
            "primary": false
        },
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "MA",
            "license": "RN2351448",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Diane Penny King, NP
• Jacob Kogan, MD
• John Craig Konrad
• Sam Kontrakul, MD
• Andrea Kopasz, M.D.
• George Kroumpouzos, MD PHD
• Shinobu Kubota, CNM
• Paula Jeanne Kue, M.D.
• Lawrence M Kulla
• Edward M Kwasnik, MD

• Certified Registered Nurse Anesthetist in South Weymouth, MA
• Providers in South Weymouth, MA by specialty
• Certified Registered Nurse Anesthetist in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 23, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• 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.