Janet B Lefkowitz, DO

Primary specialty

Obstetrics & Gynecology PhysicianTaxonomy code 207V00000X

License

72040 Issued in CT

Practice address

101 Dudley St
Providence, RI 02905-2401

Phone

(401) 274-1122

NPI assigned

Aug 8, 2006

Sex

Female

Sole proprietor

No

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

Specialties & licenses 3

Addresses

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

Obstetrics/Gynecology

Education

University of New England, College of Osteo Medicine, 2001

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Affinity Physicians LLC.Group PAC ID 0244413391, 723 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Women & Infants Hospital of Rhode Island Hospital, Providence, RI, CCN 410010

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy, Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: jlefkowitz7350@direct.carene.org

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.

• Affinity Physicians LLC.

  • Internal Medicine Physician
  • Warwick, RI
  • NPI 1184944662

  Obstetrics & Gynecology

  Medicare reassignment Care Compare group NPD
• Planned Parenthood of Southern New England, Inc.

  • Ambulatory Family Planning Facility
  • New Haven, CT
  • NPI 1174633143

  RI

  Medicare reassignment NPD
• Affinity Physicians LLC

  • Anesthesiology Physician
  • Providence, RI
  • NPI 1053038471
  NPD
• Women & Infants Hospital of Rhode Island

  • General Acute Care Hospital
  • Providence, RI
  • NPI 1447233788
  NPD (past)

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

• Women & Infants Hospital of Rhode Island

  • General Acute Care Hospital
  • Providence, RI
  • NPI 1447233788
  Care Compare affiliation

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

{
    "created_epoch": "1154995200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1786406400000",
    "number": "1235149865",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "34 SENECA RD",
            "city": "WEST HARTFORD",
            "state": "CT",
            "postal_code": "061172245",
            "telephone_number": "401-739-2000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "101 DUDLEY ST",
            "city": "PROVIDENCE",
            "state": "RI",
            "postal_code": "029052401",
            "telephone_number": "401-274-1122"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "345 Whitney Ave",
            "address_purpose": "LOCATION",
            "city": "New Haven",
            "state": "CT",
            "postal_code": "065112348",
            "country_code": "US",
            "telephone_number": "513-587-5095",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "175 Broad St",
            "address_purpose": "LOCATION",
            "city": "Providence",
            "state": "RI",
            "postal_code": "029034026",
            "country_code": "US",
            "telephone_number": "401-421-9620",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "34 Seneca Rd",
            "address_purpose": "LOCATION",
            "city": "West Hartford",
            "state": "CT",
            "postal_code": "061172245",
            "country_code": "US",
            "telephone_number": "401-739-2000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "LEFKOWITZ",
        "first_name": "JANET",
        "middle_name": "B",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-08-08",
        "last_updated": "2026-08-11",
        "certification_date": "2026-08-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "RI",
            "license": "DO00607",
            "primary": false
        },
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "CT",
            "license": "72040",
            "primary": true
        },
        {
            "code": "207VG0400X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology, Gynecology",
            "state": "RI",
            "license": "DO00607",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Haley Leesley, M.D.
• Matthew Lefebvre, PHARMD, MBA
• Michelle Julene Lefebvre, M.D.
• John T Leffers, O.D.
• Daniel Robert Lefkowitz, PHARM D
• Robert Legare, MD
• Rachel Legend, LCSW
• Helen Legendre, NP
• Sandy J Leger, RN
• Jason Thomas Legere, PT

• Obstetrics & Gynecology Physician in Providence, RI
• Providers in Providence, RI by specialty
• Obstetrics & Gynecology Physician in Rhode Island

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