Kumiko E Tanaka, MD

Primary specialty

Obstetrics & Gynecology PhysicianTaxonomy code 207V00000X

License

286473 Issued in MA

Practice address

30 Washington St
Wellesley, MA 02481-1929

Phone

(781) 263-9110

Fax

(781) 263-9125

NPI assigned

Apr 15, 2014

Last updated

Jul 7, 2025By the provider in NPPES

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

Medicare fee-for-service enrollment

Enrolled in RI, MA2 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 Southern California Keck School of Medicine, 2014

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

About Women by Women a Professional CorporationGroup PAC ID 0749170306, 9 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Newton-Wellesley Hospital Hospital, Newton, MA, CCN 220101

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: kumiko.tanaka@direct.signature.masshiway.net

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• About Women by Women a Professional Corporation

  • Obstetrics & Gynecology Physician
  • Wellesley, MA
  • NPI 1609881564
  Medicare reassignment Care Compare group NPD
• Baystate Medical Practices, Inc

  • Emergency Medical Services (Emergency Medicine) Physician
  • Springfield, MA
  • NPI 1548205909

  Obstetrics & Gynecology

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

  • Family Medicine Physician
  • Newton, MA
  • NPI 1538191218
  Medicare reassignment NPD
• Obhg Massachusetts - Direct, P.C.

  • Obstetrics Physician
  • Brockton, MA
  • NPI 1487229035
  Medicare reassignment NPD
• Signature Healthcare Medical Group Inc

  dba Signature Medical

  • Internal Medicine Physician
  • Brockton, MA
  • NPI 1508804949

  Obstetrics & Gynecology

  Medicare reassignment NPD
• Steward Medical Group, Inc

  • Specialist
  • Watertown, MA
  • NPI 1629398219
  Medicare reassignment NPD
• Lifespan Physician Group, Inc.

  dba Brown Health Medical Group

  • General Practice Physician
  • Providence, RI
  • NPI 1407116643

  Obstetrics & Gynecology

  Medicare reassignment NPD
• Steward Medical Group, Inc

  • Specialist
  • Brighton, MA
  • NPI 1356654495
  NPD
• Lifespan Physician Group, Inc.

  dba Brown Health Medical Group

  • Emergency Medicine Physician
  • Providence, RI
  • NPI 1568325678
  NPD
• Baystate Medical Center Inc

  dba Baystate Medical Center

  • General Acute Care Hospital
  • Springfield, MA
  • NPI 1487655064
  NPD (past)
• Obhg Massachusetts PC

  • Obstetrics & Gynecology Physician
  • Lawrence, MA
  • NPI 1740844083
  NPD (past)

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

• Newton-Wellesley Hospital

  • General Acute Care Hospital
  • Newton, MA
  • NPI 1992737761
  Care Compare affiliation

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

{
    "created_epoch": "1397520000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1751846400000",
    "number": "1619396900",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "30 WASHINGTON ST",
            "city": "WELLESLEY",
            "state": "MA",
            "postal_code": "024811929",
            "telephone_number": "781-263-9110",
            "fax_number": "781-263-9125"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "30 WASHINGTON ST",
            "city": "WELLESLEY",
            "state": "MA",
            "postal_code": "024811929",
            "telephone_number": "781-263-9110",
            "fax_number": "781-263-9125"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "3300 Main Street",
            "address_2": "4th Fl, Suite D",
            "address_purpose": "LOCATION",
            "city": "Springfield",
            "state": "MA",
            "postal_code": "011071112",
            "country_code": "US",
            "telephone_number": "413-794-7045",
            "fax_number": "413-794-7345",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "680 Centre St",
            "address_purpose": "LOCATION",
            "city": "Brockton",
            "state": "MA",
            "postal_code": "023023308",
            "country_code": "US",
            "telephone_number": "508-941-7000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "TANAKA",
        "first_name": "KUMIKO",
        "middle_name": "E",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2014-04-15",
        "last_updated": "2025-07-07",
        "certification_date": "2025-07-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "RI",
            "license": "MD16361",
            "primary": false
        },
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "MA",
            "license": "286473",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Susan E. Ruskin, MD,PC
• Walter Sussman, D.O.
• Julie P Sutherland
• Esther Hanyu Tan, NP
• Jason Tan, DPT
• Ekta Taneja, M.D.
• Naila Tariq, NP
• Lloyd D Tarlin, M.D.
• Debra Richards Tatnall, C.S.
• Anne R Tavel, PH.D.

• Obstetrics & Gynecology Physician in Wellesley, MA
• Providers in Wellesley, MA by specialty
• Obstetrics & Gynecology Physician in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 7, 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.