Individual provider Active NPI

Megan Desai, DO

  • Psychiatry Physician
  • Stony Brook, NY
National Provider Identifier
1861955338
Registry record updated May 15, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Psychiatry PhysicianTaxonomy code 2084P0800X
License
325042 Issued in NY
Practice address
101 Nicolls Rd RM 20
Stony Brook, NY 11794-0001
Phone
(646) 444-3005
Fax
(631) 444-7534
NPI assigned
Apr 10, 2019
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on May 15, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Psychiatry Physician 2084P0800X 325042 NY Primary

Addresses

Primary practice location

101 Nicolls Rd RM 20
Stony Brook, NY 11794-0001

Mailing address

101 Nicolls Rd RM 20
Stony Brook, NY 11794-8101
Phone (631) 444-3005

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NY
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 1

Enrollment IDStateProvider typePAC IDDetails
I20231212002881 NY Practitioner - Psychiatry 8628307626 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Psychiatry
Education
Other, 2019
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
John T Mather Memorial HospitalGroup PAC ID 1254237753, shared by 6 NPIs, 176 clinicians
North Shore-Lij Medical PCGroup PAC ID 3375701568, 6,374 clinicians

Practice addresses (Care Compare)

125 Oakland Ave
Suite 303
Port Jefferson, NY 11777-2130
Phone (631) 928-3122

2171 Jericho Tpke
Suite 345
Commack, NY 11725-2900
Phone (516) 321-5779

75 N Country Rd
Port Jefferson, NY 11777-2119
Phone (631) 473-1320

Hospital & facility affiliations

  • John T Mather Memorial Hospital of Port Jefferson Hospital, Port Jefferson, NY, CCN 330185

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
325042NYMDPsychiatry Physician

Practice roles

OrganizationSpecialtyStatusNew patients
John T. Mather Memorial Hospital Psychiatry Current Accepting new patients
John T. Mather Memorial Hospital CurrentSince Mar 9, 2025 Accepting new patients
North Shore-Lij Medical PC CurrentSince Mar 9, 2025 Accepting new patients
John T. Mather Memorial Hospital CurrentSince Mar 9, 2025 Accepting new patients

Locations

2171 Jericho Tpke
Ste 345
Commack, NY 11725
Phone (631) 486-5140

1111 Marcus Ave
Ste M04
New Hyde Park, NY 11042
Phone (585) 736-3650

300 Community Dr
Plandome, NY 11030

125 Oakland Ave
Ste 303
Port Jefferson, NY 11777
Phone (631) 729-2140

75 N Country Rd
Prt Jefferson, NY 11777
Phone (631) 463-1320

Networks

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

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 1

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": "1554854400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1747267200000",
    "number": "1861955338",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "101 NICOLLS RD RM 20",
            "city": "STONY BROOK",
            "state": "NY",
            "postal_code": "117948101",
            "telephone_number": "631-444-3005",
            "fax_number": "631-444-7534"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "101 NICOLLS RD RM 20",
            "city": "STONY BROOK",
            "state": "NY",
            "postal_code": "117940001",
            "telephone_number": "646-444-3005",
            "fax_number": "631-444-7534"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DESAI",
        "first_name": "MEGAN",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2019-04-10",
        "last_updated": "2025-05-15",
        "certification_date": "2025-05-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "NY",
            "license": "325042",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Stony Brook, NY

Sources for this page

Verify at the official NPI Registry.