Benjamin Krantz, MD/MBA

Primary specialty

Hematology & Oncology PhysicianTaxonomy code 207RH0003X

License

261473 Issued in NY

Practice address

550 1St Ave
New York, NY 10016

Phone

(212) 263-5506

NPI assigned

Apr 20, 2009

Sex

Male

Sole proprietor

No

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

Specialties & licenses 4

Addresses

Medicare fee-for-service enrollment

Enrolled in NY

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

Specialty

Hematology/Oncology

Education

Tufts University School of Medicine, 2009

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Mary Imogene Bassett HospitalGroup PAC ID 3779488325, 780 clinicians

Westchester Medical Center Advanced Physician Services PCGroup PAC ID 3173660776, 879 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Bassett Healthcare Hospital, Cooperstown, NY, CCN 330136
• Bellevue Hospital Center Hospital, New York, NY, CCN 330204
• Aurelia Osborn Fox Memorial Hospital Hospital, Oneonta, NY, CCN 330085
• O'Connor Hospital Hospital, Delhi, NY, CCN 331305
• Cobleskill Regional Hospital Hospital, Cobleskill, NY, CCN 331320

Medicare enrollment (NPD)

Enrolled

Credentials

Master of Business Administration, Doctor of Medicine

State licenses

Practice roles

Locations

Networks

• Healthfirst Medicare Network H5989
• Healthfirst Medicare Network H3359
• Healthfirst Medicare Network H1722
• Healthfirst Medicare Network H9678

Interoperability endpoints

• FHIR API: https://api.platform.athenahealth.com/23390/brand/1/csg/1/fhir/r4
• FHIR API: https://epicproxy-pub.et1089.epichosted.com/FHIRProxy/api/FHIR/R4/
• FHIR API: https://fhir-myrecord.cerner.com/r4/0e5efebe-b60c-458e-971a-ee39e08a2178/
• Direct secure messaging: bkrantz677947@nychhc.direct-ci.com
• FHIR API: https://epicproxy-pub.et1089.epichosted.com/FHIRProxy/api/FHIR/DSTU2/
• Direct secure messaging: bkrantz570564@bassett.direct-ci.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.

• Mary Imogene Bassett Hospital

  • Multi-Specialty Clinic/Center
  • Cooperstown, NY
  • NPI 1083664221
  Medicare reassignment Care Compare group NPD
• Westchester Medical Center Advanced Physician Services, PC

  • Surgery Physician
  • Valhalla, NY
  • NPI 1912131392
  Medicare reassignment Care Compare group
• Memorial Medical Consultation Group

  • Internal Medicine Physician
  • New York, NY
  • NPI 1053382523
  Medicare reassignment NPD
• Symphony Medical PC

  • Hospitalist Physician
  • Dobbs Ferry, NY
  • NPI 1659787653
  Medicare reassignment NPD
• Trustees of Columbia University in the City of New York

  • Internal Medicine Physician
  • New York, NY
  • NPI 1437176047
  Medicare reassignment NPD
• Trustees of Columbia University in the City of New York

  • Internal Medicine Physician
  • Fort Lee, NJ
  • NPI 1982993184

  NY

  Medicare reassignment NPD
• Mary Imogene Bassett Hospital

  • Specialty Pharmacy
  • Oneonta, NY
  • NPI 1174419196
  NPD
• Symphony Medical PC

  • Orthopaedic Surgery Physician
  • Dobbs Ferry, NY
  • NPI 1023600327
  NPD
• Symphony Medical PC

  • Surgery Physician
  • Yonkers, NY
  • NPI 1538543350
  NPD
• Trustees of Columbia University in the City of New York

  • Internal Medicine Physician
  • New York, NY
  • NPI 1699289488
  NPD
• Westchester Medical Center Advanced Physician Services PC

  • Anesthesiology Physician
  • Valhalla, NY
  • NPI 1740687458
  NPD
• New York City Health and Hospitals Corporation

  • General Acute Care Hospital
  • New York, NY
  • NPI 1073535027

  Internal Medicine

  NPD (past)

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

• Aurelia Osborn Fox Memorial Hospital Society

  • General Acute Care Hospital
  • Oneonta, NY
  • NPI 1578529954
  Care Compare affiliation
• Bassett Hospital of Schoharie County

  • Critical Access Hospital
  • Cobleskill, NY
  • NPI 1689741985
  Care Compare affiliation
• Bassett Hospital of Schoharie County

  • Critical Access Hospital
  • Cobleskill, NY
  • NPI 1891862579
  Care Compare affiliation
• Mary Imogene Bassett Hospital

  • Rural Acute Care Hospital
  • Cooperstown, NY
  • NPI 1780600577
  Care Compare affiliation
• New York City Health and Hospitals Corporation

  • General Acute Care Hospital
  • New York, NY
  • NPI 1073535027
  Care Compare affiliation
• O'Connor Hospital

  • Critical Access Hospital
  • Delhi, NY
  • NPI 1891728192
  Care Compare affiliation

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

{
    "created_epoch": "1240185600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1761264000000",
    "number": "1154564243",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "550 1ST AVE",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100166402",
            "telephone_number": "212-263-5506"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "550 1ST AVE",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "10016",
            "telephone_number": "212-263-5506"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1 Atwell Rd",
            "address_purpose": "LOCATION",
            "city": "Cooperstown",
            "state": "NY",
            "postal_code": "13326",
            "country_code": "US",
            "telephone_number": "607-547-3456",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "KRANTZ",
        "first_name": "BENJAMIN",
        "credential": "MD/MBA",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2009-04-20",
        "last_updated": "2025-10-24",
        "certification_date": "2025-10-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "NY",
            "license": "261473",
            "primary": false
        },
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "NY",
            "license": "261473",
            "primary": true
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": "NY",
            "license": "261473",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NY",
            "license": "261473",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Leah Kramnick, LCSW
• Melissa Kramps, NP
• Patricia Ann Kramps, DPT
• Vladimir N Kramskiy, M.D.
• Sandra Kraniak
• Jeffrey Krantz, DDS
• Jessica Michele Krantz
• Veronica Paige Krantz, LCSW
• Carsyn Elizabeth Kranz, MD
• Eric Matthew Kranz, RN

• Hematology & Oncology Physician in New York, NY
• Providers in New York, NY by specialty
• Hematology & Oncology Physician in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 24, 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.