Individual provider Active NPI

Cheryl Mensah, M.D.

  • Hematology & Oncology Physician
  • New Haven, CT
National Provider Identifier
1730454232
Registry record updated Dec 12, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hematology & Oncology PhysicianTaxonomy code 207RH0003X
License
83051 Issued in CT
Practice address
333 Cedar St # 205
New Haven, CT 06510-3206
Phone
(203) 785-4095
Fax
(203) 785-4116
NPI assigned
Mar 15, 2012
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Dec 12, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Hematology & Oncology Physician 207RH0003X 83051 CT Primary
Hematology & Oncology Physician 207RH0003X 271959 NY

Addresses

Primary practice location

333 Cedar St # 205
New Haven, CT 06510-3206

Mailing address

333 Cedar St # 205
New Haven, CT 06510-3206
Phone (203) 785-4095

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NY, CT3 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 3

Enrollment IDStateProvider typePAC IDDetails
I20171127001104 NY Practitioner - Hematology/OncologyPractitioner - Internal MedicinePractitioner - HematologyPractitioner - Medical Oncology 6406113620 Reassigns benefits to 2 organizations
I20260127004319 CT Practitioner - Hematology/Oncology 6406113620 Reassigns benefits to 1 organization
I20260213000037 CT Practitioner - HematologyPractitioner - Medical Oncology 6406113620 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Hematology/Oncology
Education
Wayne State University School of Medicine, 2011
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Yale UniversityGroup PAC ID 9436061736, 2,632 clinicians

Practice addresses (Care Compare)

400 E Main St
Mount Kisco, NY 10549-3417
Phone (914) 666-1005

450 Lakeville Rd
New Hyde Park, NY 11042-1118
Phone (516) 734-8900

5 Perryridge Rd
Greenwich, CT 06830-4608
Phone (203) 863-3000

701 N Broadway
Sleepy Hollow, NY 10591-1020
Phone (914) 366-1625

777 N Broadway
Sleepy Hollow, NY 10591-1000
Phone (914) 366-1625

800 Howard Ave
New Haven, CT 06519-1369
Phone (203) 785-2140

Hospital & facility affiliations

  • Greenwich Hospital Association - Hospital, Greenwich, CT, CCN 070018
  • Phelps Hospital Hospital, Sleepy Hollow, NY, CCN 330261
  • Northern Westchester Hospital Hospital, Mount Kisco, NY, CCN 330162
  • Long Island Jewish Medical Center Hospital, New Hyde Park, NY, CCN 330195
  • Yale-New Haven Hospital Hospital, New Haven, CT, CCN 070022

Merit-based Incentive Payment System (MIPS)

Final score
79.07 of 100Reported as group
Quality
57.91
Promoting interoperability
77
Improvement activities
40
Cost
80.36

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
83051CTMDHematology & Oncology Physician
271959NYMDHematology & Oncology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Weill Medical College of Cornell Current Accepting new patients
Weill Medical College of Cornell CurrentSince Sep 1, 2018 Accepting new patients
Greenwich Hospital CurrentSince Nov 21, 2025 Accepting new patients
North Shore Health System Medical Faculty Group Practice Inc Hematology & Oncology CurrentSince Apr 28, 2024 Accepting new patients
Greenwich Hospital CurrentSince Nov 21, 2025 Accepting new patients
Yale University CurrentSince Jan 8, 2026 Accepting new patients
Weill Medical College of Cornell CurrentSince Sep 1, 2018 Accepting new patients
Yale University CurrentSince Jan 8, 2026 Accepting new patients

Locations

77 Lafayette Pl
Greenwich, CT 06830
Phone (203) 863-3737

5 Perryridge Rd
Greenwich, CT 06830
Phone (203) 661-5330

800 Howard Ave
New Haven, CT 06519
Phone (203) 785-2140

333 Cedar St
#205
New Haven, CT 06510
Phone (203) 785-4095

789 Howard Ave
North Haven, CT 06519
Phone (203) 688-2471

1111 Marcus Ave
Ste M04
New Hyde Park, NY 11042
Phone (585) 736-3650

428 E 72nd St
Ofc 300
New York, NY 10021
Phone (212) 746-2083

520 E 70th St
New York, NY 10021
Phone (212) 746-0838

525 E 68th St
New York, NY 10065
Phone (212) 746-2846

450 Lakeville Rd
North New Hyde Park, NY 11042
Phone (516) 321-3000

300 Community Dr
Plandome, NY 11030

Interoperability endpoints

  • Direct secure messaging: cmensah65873@northwell.direct-ci.com

Organizations & group practices 8

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 7

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": "1331769600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1765497600000",
    "number": "1730454232",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "333 CEDAR ST # 205",
            "city": "NEW HAVEN",
            "state": "CT",
            "postal_code": "065103206",
            "telephone_number": "203-785-4095",
            "fax_number": "203-785-4116"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "333 CEDAR ST # 205",
            "city": "NEW HAVEN",
            "state": "CT",
            "postal_code": "065103206",
            "telephone_number": "203-785-4095",
            "fax_number": "203-785-4116"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MENSAH",
        "first_name": "CHERYL",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2012-03-15",
        "last_updated": "2025-12-12",
        "certification_date": "2025-12-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "CT",
            "license": "83051",
            "primary": true
        },
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "NY",
            "license": "271959",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in New Haven, CT

Sources for this page

Verify at the official NPI Registry.