Krysten Anne Marie Fritz North, M.D., M.P.H.

Primary specialty

Neonatal-Perinatal Medicine PhysicianTaxonomy code 2080N0001X

License

288223 Issued in MA

Practice address

75 Francis St
Boston, MA 02115-6106

Phone

(617) 732-7739

NPI assigned

Jun 8, 2013

Sex

Female

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Other identifiers 1

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

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: north.krysten.bwh@direct.partners.masshiway.net

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.

• Brigham & Womens Physicians Organization Inc

  • Internal Medicine Physician
  • Boston, MA
  • NPI 1033535497

  Neonatal-Perinatal Medicine

  Medicare reassignment NPD
• Mass General Brigham Medical Group Suburban Massachusetts Inc

  • Family Medicine Physician
  • Newton, MA
  • NPI 1538191218
  Medicare reassignment NPD
• Brigham and Women'S Hospital

  • General Acute Care Hospital
  • Boston, MA
  • NPI 1093885816
  NPD
• Brigham & Womens Hospital, Inc.

  • General Acute Care Hospital
  • Boston, MA
  • NPI 1790717650
  NPD (past)

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

{
    "created_epoch": "1370649600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1767571200000",
    "number": "1952749269",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "101 MANNING DR RM N4051N",
            "city": "CHAPEL HILL",
            "state": "NC",
            "postal_code": "275144220",
            "telephone_number": "984-974-5063"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "75 FRANCIS ST",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021156106",
            "telephone_number": "617-732-7739"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "4800 Sand Point Way NE",
            "address_purpose": "LOCATION",
            "city": "Seattle",
            "state": "WA",
            "postal_code": "981053901",
            "country_code": "US",
            "telephone_number": "206-987-2000",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "3401 Civic Center Blvd",
            "address_2": "9NW63",
            "address_purpose": "LOCATION",
            "city": "Philadelphia",
            "state": "PA",
            "postal_code": "191044319",
            "country_code": "US",
            "telephone_number": "215-590-1220",
            "fax_number": "215-590-2768",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "101 Manning Dr Rm N4051N",
            "address_purpose": "LOCATION",
            "city": "Chapel Hill",
            "state": "NC",
            "postal_code": "27514",
            "country_code": "US",
            "telephone_number": "984-974-5063",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "NORTH",
        "first_name": "KRYSTEN",
        "middle_name": "ANNE MARIE FRITZ",
        "name_prefix": "Dr.",
        "credential": "M.D., M.P.H.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2013-06-08",
        "last_updated": "2026-01-05",
        "certification_date": "2026-01-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2080N0001X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Neonatal-Perinatal Medicine",
            "state": "MA",
            "license": "288223",
            "primary": true
        },
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "NC",
            "license": "2018-00599",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1952749269",
            "state": "WA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• North End Community Health Committee Inc
• North End Community Health Committee Inc
• North End Dental Associates
• North South Physical Therapy, Inc.
• Crystal M North, M.D.
• Victoria North, MD
• Weston Northam, M.D.
• Northeast Imaging Medical PC
• Northeastern University
• Northeastern University

• Neonatal-Perinatal Medicine Physician in Boston, MA
• Providers in Boston, MA by specialty
• Neonatal-Perinatal Medicine Physician in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 5, 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.