Individual provider Active NPI

Ryosuke Misawa, MD

  • Transplant Surgery Physician
  • New Haven, CT
National Provider Identifier
1124387907
Registry record updated Mar 12, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Transplant Surgery PhysicianTaxonomy code 204F00000X
License
83631 Issued in CT
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

Updated by the provider on Mar 12, 2026

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
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, CT2 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
I20210421001924 NY Practitioner - General Surgery 2567788466 Reassigns benefits to 1 organization
I20260602003973 CT Practitioner - General SurgeryPractitioner - Other (Physician) 2567788466 Reassigns benefits to 1 organization

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
Westchester Medical Center Advanced Physician Services PCGroup PAC ID 3173660776, 879 clinicians
Yale UniversityGroup PAC ID 9436061736, 2,632 clinicians

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 Hospital, Valhalla, NY, CCN 330234
  • Yale-New Haven Hospital Hospital, New Haven, CT, CCN 070022

Merit-based Incentive Payment System (MIPS)

Final score
75 of 100Reported as group

Procedures performed for Medicare patients

ProcedureNumber of procedures
Removal of tissue1-10

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
83631CTMDTransplant Surgery Physician
308337NYMDSurgery Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Westchester Medical Center Advanced Physician Services, PC Surgery CurrentSince Jun 1, 2021 Accepting new patients
Westchester Medical Center Advanced Physician Services PC CurrentSince Jun 1, 2021 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.

Hospital & facility affiliations 3

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": "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

Verify at the official NPI Registry.