Ryuma Tanaka, M.D.

Primary specialty

Pediatric Hematology & Oncology PhysicianTaxonomy code 2080P0207X

License

35.151700 Issued in OH

Practice address

700 Childrens Dr
Columbus, OH 43205-2664

Phone

(614) 722-2000

NPI assigned

Jul 11, 2011

Last updated

Feb 20, 2026By the provider in NPPES

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

Other identifiers 2

Medicare fee-for-service enrollment

Enrolled in WI, OH2 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

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Nationwide Children's Hospital

  • Multi-Specialty Clinic/Center
  • Columbus, OH
  • NPI 1851179873

  Pediatrics

  Medicare reassignment NPD
• Pediatric Academic Association, Inc.

  • Pediatrics Physician
  • Columbus, OH
  • NPI 1063419943
  Medicare reassignment NPD
• The Medical College of Wisconsin, Inc.

  • Internal Medicine Physician
  • Milwaukee, WI
  • NPI 1699720086
  Medicare reassignment NPD
• Nationwide Children's Hospital

  dba Nationwide Children's Hospital Pharmacy

  • Durable Medical Equipment & Medical Supplies
  • Columbus, OH
  • NPI 1447061262
  NPD
• Nationwide Children's Hospital

  • General Acute Care Hospital
  • Columbus, OH
  • NPI 1134152986
  NPD (past)

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

{
    "created_epoch": "1310342400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1771545600000",
    "number": "1184912230",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "700 CHILDRENS DR",
            "city": "COLUMBUS",
            "state": "OH",
            "postal_code": "432052664",
            "telephone_number": "614-722-2000",
            "fax_number": "614-355-4497"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "700 CHILDRENS DR",
            "city": "COLUMBUS",
            "state": "OH",
            "postal_code": "432052664",
            "telephone_number": "614-722-2000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "6435 E Broad St",
            "address_purpose": "LOCATION",
            "city": "Columbus",
            "state": "OH",
            "postal_code": "432131507",
            "country_code": "US",
            "telephone_number": "614-722-2000",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "740 Adair Ave",
            "address_purpose": "LOCATION",
            "city": "Zanesville",
            "state": "OH",
            "postal_code": "437012838",
            "country_code": "US",
            "telephone_number": "614-722-2000",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "536 S Trimble Rd",
            "address_purpose": "LOCATION",
            "city": "Mansfield",
            "state": "OH",
            "postal_code": "449063418",
            "country_code": "US",
            "telephone_number": "614-722-2555",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "7853 Pacer Dr",
            "address_purpose": "LOCATION",
            "city": "Delaware",
            "state": "OH",
            "postal_code": "430157571",
            "country_code": "US",
            "telephone_number": "614-722-6200",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "5665 Venture Dr",
            "address_purpose": "LOCATION",
            "city": "Dublin",
            "state": "OH",
            "postal_code": "430172159",
            "country_code": "US",
            "telephone_number": "614-722-2000",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "4439 State Route 159",
            "address_purpose": "LOCATION",
            "city": "Chillicothe",
            "state": "OH",
            "postal_code": "456018207",
            "country_code": "US",
            "telephone_number": "614-722-2000",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "536 S Trimble Rd",
            "address_purpose": "LOCATION",
            "city": "Mansfield",
            "state": "OH",
            "postal_code": "449063418",
            "country_code": "US",
            "telephone_number": "614-722-2000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "TANAKA",
        "first_name": "RYUMA",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2011-07-11",
        "last_updated": "2026-02-20",
        "certification_date": "2026-02-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "OH",
            "license": "35.151700",
            "primary": false
        },
        {
            "code": "2080P0207X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Pediatric Hematology-Oncology",
            "state": "OH",
            "license": "35.151700",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MEDICARE",
            "identifier": "H0026530",
            "state": "OH"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "0072054",
            "state": "OH"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Sean Tams, PHD
• Evan Kyo Tamura, MD
• Tan Thai Inc (L.T. Medical Pharmacy)
• Alice Tan
• Zheng Hong Tan
• Kim Tandanpolie, RN
• Tandem Columbus, LLC
• Isaac Yaw Tandoh
• Amit Tandon, MD
• Braidy Nicole Tandon

• Pediatric Hematology & Oncology Physician in Columbus, OH
• Providers in Columbus, OH by specialty
• Pediatric Hematology & Oncology Physician in Ohio

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 20, 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.