Active NPI
Cheryl Mensah, M.D.
- Hematology & Oncology Physician
- New Haven, CT
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Hematology & Oncology Physician
- License
- 83051
- 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
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| 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, CT
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 3
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
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 -
- Phelps Hospital
- Northern Westchester Hospital
- Long Island Jewish Medical Center
- Yale-New Haven Hospital
Merit-based Incentive Payment System (MIPS)
- Final score
- 79.07 of 100
- 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
| License | State | Type | Specialty |
|---|---|---|---|
| 83051 | CT | MD | Hematology & Oncology Physician |
| 271959 | NY | MD | Hematology & Oncology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Weill Medical College of Cornell | Current | Accepting new patients | |
| Weill Medical College of Cornell | Current | Accepting new patients | |
| Greenwich Hospital | Current | Accepting new patients | |
| North Shore Health System Medical Faculty Group Practice Inc | Hematology & Oncology | Current | Accepting new patients |
| Greenwich Hospital | Current | Accepting new patients | |
| Yale University | Current | Accepting new patients | |
| Weill Medical College of Cornell | Current | Accepting new patients | |
| Yale University | Current | 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
- 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.
-
- Anesthesiology Physician
- New Haven, CT
- NPI 1205822236
-
- Hematology & Oncology Physician
- New Hyde Park, NY
- NPI 1003409061
-
- General Acute Care Hospital
- Greenwich, CT
- NPI 1609846088
-
- Internal Medicine Physician
- New York, NY
- NPI 1124170212
-
- Community Based Hospice Care Agency
- Stanford, CT
- NPI 1073637724
-
- Durable Medical Equipment & Medical Supplies
- Fairfield, CT
- NPI 1548066962
-
- Surgery Physician
- New York, NY
- NPI 1134422330
-
- Cardiovascular Disease Physician
- New York, NY
- NPI 1144729385
Hospital & facility affiliations 7
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Greenwich, CT
- NPI 1609846088
-
- General Acute Care Hospital
- New Haven, CT
- NPI 1336139500
-
- General Acute Care Hospital
- New Haven, CT
- NPI 1578778726
-
- General Acute Care Hospital
- New Hyde Park, NY
- NPI 1285641514
-
- Medicare Defined Swing Bed Hospital Unit
- Mount Kisco, NY
- NPI 1396178356
-
- General Acute Care Hospital
- Mount Kisco, NY
- NPI 1912992215
-
- General Acute Care Hospital
- Sleepy Hollow, NY
- NPI 1720185267
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
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 12, 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.