Individual provider Active NPI

Sean Thomas Lynch, MD

  • Psychiatry Physician
  • New York, NY
National Provider Identifier
1437735925
Registry record updated Feb 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Psychiatry PhysicianTaxonomy code 2084P0800X
License
327055 Issued in NY
Practice address
55 E 34TH St
New York, NY 10016-4337
Phone
(631) 935-2602
NPI assigned
Mar 23, 2021
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Feb 13, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Psychiatry Physician 2084P0800X 327055 NY Primary
Student in an Organized Health Care Education/Training Program 390200000X

Addresses

Primary practice location

55 E 34TH St
New York, NY 10016-4337

Mailing address

55 E 34TH St
New York, NY 10016-4337

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file
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.

Care Compare profile

Medicare Care Compare
Specialty
Psychiatry
Education
New York Medical College, 2021
Medicare assignment
May accept Medicare assignment

Practice addresses (Care Compare)

150 E 42ND St
New York, NY 10017-5639

55 E 34TH St
New York, NY 10016-4337

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
327055NYMDPsychiatry Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Dr. Paul Poulakos DO, PLLC Psychiatry Past Accepting new patients

Interoperability endpoints

  • Direct secure messaging: kbc9007@direct.nyp.org

Organizations & group practices 1

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.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1616457600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1770940800000",
    "number": "1437735925",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "55 E 34TH ST",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100164337"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "55 E 34TH ST",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100164337",
            "telephone_number": "631-935-2602"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LYNCH",
        "first_name": "SEAN",
        "middle_name": "THOMAS",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2021-03-23",
        "last_updated": "2026-02-13",
        "certification_date": "2026-02-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "NY",
            "license": "327055",
            "primary": true
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in New York, NY

Sources for this page

Verify at the official NPI Registry.