NPIMap

Individual provider Active NPI

Chenhan Mike Tsai, DO

  • Family Medicine Physician
  • Middletown, NY
National Provider Identifier
1952982985
Registry record updated Mar 25, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Medicine PhysicianTaxonomy code 207Q00000X
License
327141 Issued in NY
Practice address
707 E Main St
Middletown, NY 10940-2650
Phone
(845) 333-7373
Fax
(843) 333-7342
NPI assigned
Apr 20, 2021
Last updated
Mar 25, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Mar 25, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Family Medicine Physician 207Q00000X 327141 NY Primary

Addresses

Primary practice location

707 E Main St
Middletown, NY 10940-2650

Mailing address

2649 Strang Blvd Ste 304
Yorktown Heights, NY 10598-2938

Other practice location 1

1756 Route 9D Fl 2
Cold Spring, NY 10516-2619
Phone (845) 809-5661

Electronic endpoints 3

TypeEndpointUseAffiliation
FHIR URL https://epicproxy-pub.et1089.epichosted.com/FHIRProxy/api/FHIR/R4/ Health Information Exchange (HIE)
Direct Messaging Address JUH9115@direct.nyp.org Direct
FHIR URL https://epicproxy-pub.et1089.epichosted.com/FHIRProxy/api/FHIR/DSTU2/ Health Information Exchange (HIE)

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NY
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20240816000762 NY Practitioner - Family Practice 3375081771 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Family Practice
Education
Arizona College of Osteopathic Medicine Mid Western University, 2021
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
NYU Langone HospitalsGroup PAC ID 4981515699, 245 clinicians

Practice addresses (Care Compare)

1756 Route 9D
FL 2
Cold Spring, NY 10516-2619
Phone (914) 739-1219

301 E 17TH St
New York, NY 10003-3804
Phone (212) 598-2454

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
327141NYMDFamily Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
NYU Langone Hospitals CurrentSince Sep 9, 2024 Accepting new patients
NYU Langone Hospitals CurrentSince Sep 9, 2024 Accepting new patients
NYU Langone Hospitals Past Accepting new patients
The Westchester Medical Practice, PC PastSince May 20, 2026 Accepting new patients

Locations

700 Hicksville Rd
Ste 205
Bethpage, NY 11714
Phone (646) 501-3325

301 E 17th St
New York, NY 10003
Phone (212) 460-0125

Networks

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

Interoperability endpoints

  • Direct secure messaging: ctsai666202@nyumc.direct-ci.com
  • Direct secure messaging: juh9115@direct.nyp.org

Organizations & group practices 5

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

Hospital & facility affiliations 8

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": "1618876800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1774396800000",
    "number": "1952982985",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2649 STRANG BLVD STE 304",
            "city": "YORKTOWN HEIGHTS",
            "state": "NY",
            "postal_code": "105982938"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "707 E MAIN ST",
            "city": "MIDDLETOWN",
            "state": "NY",
            "postal_code": "109402650",
            "telephone_number": "845-333-7373",
            "fax_number": "843-333-7342"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1756 Route 9D Fl 2",
            "address_purpose": "LOCATION",
            "city": "Cold Spring",
            "state": "NY",
            "postal_code": "105162619",
            "country_code": "US",
            "telephone_number": "845-809-5661",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "TSAI",
        "first_name": "CHENHAN",
        "middle_name": "MIKE",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2021-04-20",
        "last_updated": "2026-03-25",
        "certification_date": "2026-03-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "NY",
            "license": "327141",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://epicproxy-pub.et1089.epichosted.com/FHIRProxy/api/FHIR/R4/",
            "affiliation": "N",
            "endpointDescription": "FHIR",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "FHIR",
            "address_1": "1756 Route 9D Fl 2",
            "city": "Cold Spring",
            "state": "NY",
            "country_code": "US",
            "postal_code": "105162619",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "JUH9115@direct.nyp.org",
            "affiliation": "N",
            "endpointDescription": "Direct Address",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "Direct Address",
            "address_1": "1756 Route 9D Fl 2",
            "city": "Cold Spring",
            "state": "NY",
            "country_code": "US",
            "postal_code": "105162619",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://epicproxy-pub.et1089.epichosted.com/FHIRProxy/api/FHIR/DSTU2/",
            "affiliation": "N",
            "endpointDescription": "FHIR",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "FHIR",
            "address_1": "1756 Route 9D Fl 2",
            "city": "Cold Spring",
            "state": "NY",
            "country_code": "US",
            "postal_code": "105162619",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Middletown, NY

Sources for this page

Verify at the official NPI Registry.