Katherine Flanagan, MD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

1389477 Issued in CT

Practice address

100 Kenyon Ave
Wakefield, RI 02879-4216

Phone

(401) 788-1590

Fax

(401) 788-1593

NPI assigned

Sep 1, 2006

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 2

Medicare fee-for-service enrollment

Enrolled in RI, CT2 enrollments

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 2

Specialty

Internal Medicine

Education

Warren Alpert Medical School of Brown University, 1989

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Silver Spring Health Care Management IncGroup PAC ID 4688661127, 136 clinicians

Middlesex HospitalGroup PAC ID 5092611731, 231 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Middlesex Hospital Hospital, Middletown, CT, CCN 070020
• South County Hospital Inc Hospital, Wakefield, RI, CCN 410008

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: kflanagan60740@middlesexhealthprd.direct-ci.com

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.

• Silver Spring Health Care Management, Inc.

  • Internal Medicine Physician
  • Wakefield, RI
  • NPI 1861561193
  Medicare reassignment Care Compare group NPD
• Middlesex Hospital

  • Family Nurse Practitioner
  • Middletown, CT
  • NPI 1972563138
  Medicare reassignment Care Compare group
• Hospitalist Medicine Physicians of Connecticut, LLC

  • Internal Medicine Physician
  • Manchester, CT
  • NPI 1558696153
  Medicare reassignment NPD
• The William W Backus Hospital

  • General Acute Care Hospital
  • Norwich, CT
  • NPI 1467517235
  Medicare reassignment NPD
• Windham Community Memorial Hospital, Inc.

  • General Acute Care Hospital
  • Willimantic, CT
  • NPI 1023191467

  Hospitalist

  Medicare reassignment NPD
• Silver Spring Health Care Management, Inc.

  • Pediatrics Physician
  • Wakefield, RI
  • NPI 1992224497
  NPD
• The William W Backus Hospital

  • General Acute Care Hospital
  • Norwich, CT
  • NPI 1639135718

  Internal Medicine

  NPD
• William W Backus Hospital

  • Psychiatric Hospital Unit
  • Norwich, CT
  • NPI 1730243536
  NPD

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

• South County Hospital Healthcare System

  • General Acute Care Hospital
  • Wakefield, RI
  • NPI 1952366106
  Care Compare affiliation
• Middlesex Hospital

  • General Acute Care Hospital
  • Middletown, CT
  • NPI 1760454334
  Care Compare affiliation

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

{
    "created_epoch": "1157068800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787788800000",
    "number": "1407968639",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 229",
            "city": "WAKEFIELD",
            "state": "RI",
            "postal_code": "028800229",
            "telephone_number": "401-788-3929",
            "fax_number": "401-788-3939"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "100 KENYON AVE",
            "city": "WAKEFIELD",
            "state": "RI",
            "postal_code": "028794216",
            "telephone_number": "401-788-1590",
            "fax_number": "401-788-1593"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "326 Washington St",
            "address_2": "William W Backus Hospital",
            "address_purpose": "LOCATION",
            "city": "Norwich",
            "state": "CT",
            "postal_code": "06360",
            "country_code": "US",
            "telephone_number": "860-889-8331",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "FLANAGAN",
        "first_name": "KATHERINE",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-09-01",
        "last_updated": "2026-08-27",
        "certification_date": "2026-08-27",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "CT",
            "license": "38947",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CT",
            "license": "1389477",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "HEALTHNET",
            "identifier": "2V7782",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "ANTHEM BCBS",
            "identifier": "010038947CT01",
            "state": null
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Alexandra Filippo
• Christine Lenore Finelli, APRN, FNP-C
• First Track Primary Care LLC
• Katherine Fischer, ATC
• Kathleen O Fisher, RPH, MBA
• Aino Linn Floderus, NP-C
• Jane Anne Flood, SLP
• Elizabeth Fortin, MSW
• Ashley A. Foster
• J Riley Fowler Jr., APRN CNP

• Internal Medicine Physician in Wakefield, RI
• Providers in Wakefield, RI by specialty
• Internal Medicine Physician in Rhode Island

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 27, 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.