Individual provider Active NPI

Mary Louise Keohan, MD

  • Medical Oncology Physician
  • New York, NY
National Provider Identifier
1184695124
Registry record updated Feb 24, 2015
On this page

Key facts

NPPES NPI Registry
Primary specialty
Medical Oncology PhysicianTaxonomy code 207RX0202X
License
202980 Issued in NY
Practice address
1275 York Ave
New York, NY 10021-6007
Phone
(212) 639-2000
NPI assigned
Jan 29, 2006
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Feb 24, 2015

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Medical Oncology Physician 207RX0202X 202980 NY Primary

Addresses

Primary practice location

1275 York Ave
New York, NY 10021-6007

Mailing address

633 3Rd Ave
633 Third Ave
New York, NY 10017-6706

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NY, NJ2 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

Enrollment IDStateProvider typePAC IDDetails
I20041227000318 NY Practitioner - Hematology/OncologyPractitioner - Internal Medicine 0143288902 Reassigns benefits to 1 organization
I20260304003396 NJ Practitioner - Hematology/Oncology 0143288902 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Hematology/OncologyAlso: Internal Medicine
Education
Other, 1991
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Memorial Solid Tumor GroupGroup PAC ID 4082503354, 233 clinicians

Practice addresses (Care Compare)

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

160 E 53Rd St
New York, NY 10022-5243
Phone (212) 639-2000

Hospital & facility affiliations

  • Memorial Hospital for Cancer and Allied Diseases Hospital, New York, NY, CCN 330154

Merit-based Incentive Payment System (MIPS)

Final score
75.5 of 100Reported as group
Quality
60.62
Improvement activities
40
Cost
73.87

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Memorial Solid Tumor Group Medical Oncology CurrentSince Sep 1, 2004 Accepting new patients
Memorial Sloan Kettering Cancer Center at Basking Ridge New Jersey Medical Oncology CurrentSince Jan 12, 2026 Accepting new patients

Locations

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

633 3rd Ave
New York, NY 10017

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

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

Networks

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

Interoperability endpoints

  • Direct secure messaging: mkeohan35729@mskcc.direct-ci.com

Organizations & group practices 2

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 5

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": "1138492800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1424736000000",
    "number": "1184695124",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "633 3RD AVE",
            "address_2": "633 THIRD AVE",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100176706"
        },
        {
            "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": "100216007",
            "telephone_number": "212-639-2000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KEOHAN",
        "first_name": "MARY",
        "middle_name": "LOUISE",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-01-29",
        "last_updated": "2015-02-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RX0202X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Medical Oncology",
            "state": "NY",
            "license": "202980",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in New York, NY

Sources for this page

Verify at the official NPI Registry.