NPIMap

Individual provider Active NPI

Mark Blaine Geyer, MD

  • Hematology & Oncology Physician
  • New York, NY
National Provider Identifier
1831482561
Registry record updated May 8, 2020
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hematology & Oncology PhysicianTaxonomy code 207RH0003X
License
274263 Issued in NY
Practice address
1275 York Ave
New York, NY 10065-6007
Phone
(212) 639-2000
NPI assigned
May 27, 2011
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on May 8, 2020

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Hematology & Oncology Physician 207RH0003X 274263 NY Primary

Addresses

Primary practice location

1275 York Ave
New York, NY 10065-6007

Mailing address

450 East 63Rd Street
#11-I
New York, NY 10065
Phone (774) 217-1737

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NY, NJ2 enrollments
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20170918003052 NY Practitioner - Hematology/OncologyPractitioner - Internal Medicine 0244490175 Reassigns benefits to 1 organization
I20181204002071 NJ Practitioner - Hematology/OncologyPractitioner - Internal Medicine 0244490175 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Hematology/OncologyAlso: Internal Medicine
Education
Columbia University College of Physicians and Surgeons, 2011
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices

Practice addresses (Care Compare)

1275 York Ave
New York, NY 10065-6007
Phone (212) 639-2000

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
79.57 of 100Reported as group
Quality
70.48
Improvement activities
40
Cost
69.36

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
274263NYMDHematology & Oncology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
MSK Monmouth CurrentSince Jun 4, 2020 Accepting new patients
Memorial Hematology Lymphoma Group CurrentSince Jul 1, 2017 Accepting new patients
Memorial Sloan Kettering Cancer Center at Basking Ridge New Jersey CurrentSince Oct 14, 2018 Accepting new patients
Memorial Hematology Lymphoma Group Hematology & Oncology Current Accepting new patients

Locations

136 Mountainview Blvd
Basking Ridge, NJ 07920
Phone (908) 542-3000

480 Red Hill Rd
Middletown, NJ 07748
Phone (908) 542-3007

633 3rd Ave
Lbby 3
New York, NY 10017
Phone (848) 225-6000

633 3rd Ave
New York, NY 10017

1275 York Ave
New York, NY 10065
Phone (212) 639-3813

Networks

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

Interoperability endpoints

  • Direct secure messaging: mgeyer35617@mskcc.direct-ci.com

Organizations & group practices 4

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.

Hospital & facility affiliations 6

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

NPI Registry JSON

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

{
    "created_epoch": "1306454400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1588896000000",
    "number": "1831482561",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "450 EAST 63RD STREET",
            "address_2": "#11-I",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "10065",
            "telephone_number": "774-217-1737"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1275 YORK AVE",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100656007",
            "telephone_number": "212-639-2000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GEYER",
        "first_name": "MARK",
        "middle_name": "BLAINE",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2011-05-27",
        "last_updated": "2020-05-08",
        "certification_date": "2020-05-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "NY",
            "license": "274263",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in New York, NY

Sources for this page

Verify at the official NPI Registry.