Active NPI
Ryosuke Misawa, MD
- Transplant Surgery Physician
- New Haven, CT
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Transplant Surgery Physician
- License
- 83631
- Practice address
- 20 York St
New Haven, CT 06510-3220 - Phone
- (203) 688-4242
- NPI assigned
- May 14, 2012
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 3
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Surgery Physician | 208600000X | 308337 | NY | |
| Transplant Surgery Physician | 204F00000X | 308337 | NY | |
| Transplant Surgery Physician | 204F00000X | 83631 | CT | Primary |
Addresses
Primary practice location
20 York St
New Haven, CT 06510-3220
Mailing address
19 Bradhurst Ave Ste 3100N
Hawthorne, NY 10532-2140
Phone (914) 909-9018
Other practice location 1
450 Clarkson Ave
Brooklyn, NY 11203
Phone (718) 270-3302
Other practice location 2
450 Clarkson Ave
Brooklyn, NY 11203
Phone (718) 270-3302
Other practice location 3
100 Woods Rd Fl Acp3
Valhalla, NY 10595-1530
Phone (914) 493-8916
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 2
Care Compare profile
Medicare Care Compare- Specialty
- General Surgery
- Education
- Other, 1998
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
100 Woods Rd
Valhalla, NY 10595-1530
800 Howard Ave
New Haven, CT 06519-1369
Phone (203) 785-2140
95 Grasslands Rd
Valhalla, NY 10595-1652
Phone (914) 493-6940
Hospital & facility affiliations
- Westchester Medical Center
- Yale-New Haven Hospital
Merit-based Incentive Payment System (MIPS)
- Final score
- 75 of 100
Procedures performed for Medicare patients
| Procedure | Number of procedures |
|---|---|
| Removal of tissue | 1-10 |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 83631 | CT | MD | Transplant Surgery Physician |
| 308337 | NY | MD | Surgery Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Westchester Medical Center Advanced Physician Services, PC | Surgery | Current | Accepting new patients |
| Westchester Medical Center Advanced Physician Services PC | Current | Accepting new patients | |
| Westchester County Health Care Corporation | Past | Accepting new patients |
Locations
19 Bradhurst Ave
Ste 3100N
Hawthorne, NY 10532
Phone (914) 231-8373
100 Woods Rd
Fl ACP3
Valhalla, NY 10595
Phone (914) 493-1892
95 Grasslands Rd
Valhalla, NY 10595
Phone (914) 493-2961
Networks
- Healthfirst Medicare Network H5989
- Healthfirst Medicare Network H3359
- Healthfirst Medicare Network H1722
- Healthfirst Medicare Network H9678
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.
-
- Surgery Physician
- Valhalla, NY
- NPI 1912131392
-
- Anesthesiology Physician
- New Haven, CT
- NPI 1205822236
-
- Anesthesiology Physician
- Valhalla, NY
- NPI 1740687458
-
- General Acute Care Hospital
- Valhalla, NY
- NPI 1932280666
Hospital & facility affiliations 3
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- New Haven, CT
- NPI 1336139500
-
- General Acute Care Hospital
- New Haven, CT
- NPI 1578778726
-
- General Acute Care Hospital
- Valhalla, NY
- NPI 1932280666
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1336953600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1773273600000",
"number": "1124387907",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "19 BRADHURST AVE STE 3100N",
"city": "HAWTHORNE",
"state": "NY",
"postal_code": "105322140",
"telephone_number": "914-909-9018"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "20 YORK ST",
"city": "NEW HAVEN",
"state": "CT",
"postal_code": "065103220",
"telephone_number": "203-688-4242"
}
],
"practiceLocations": [
{
"address_1": "450 Clarkson Ave",
"address_purpose": "LOCATION",
"city": "Brooklyn",
"state": "NY",
"postal_code": "11203",
"country_code": "US",
"telephone_number": "718-270-3302",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "450 Clarkson Ave",
"address_purpose": "LOCATION",
"city": "Brooklyn",
"state": "NY",
"postal_code": "11203",
"country_code": "US",
"telephone_number": "718-270-3302",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "100 Woods Rd Fl Acp3",
"address_purpose": "LOCATION",
"city": "Valhalla",
"state": "NY",
"postal_code": "105951530",
"country_code": "US",
"telephone_number": "914-493-8916",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "MISAWA",
"first_name": "RYOSUKE",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2012-05-14",
"last_updated": "2026-03-12",
"certification_date": "2026-03-12",
"status": "A"
},
"taxonomies": [
{
"code": "208600000X",
"taxonomy_group": "",
"desc": "Surgery",
"state": "NY",
"license": "308337",
"primary": false
},
{
"code": "204F00000X",
"taxonomy_group": "",
"desc": "Transplant Surgery",
"state": "NY",
"license": "308337",
"primary": false
},
{
"code": "204F00000X",
"taxonomy_group": "",
"desc": "Transplant Surgery",
"state": "CT",
"license": "83631",
"primary": true
}
],
"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 Mar 12, 2026; 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.