Individual provider Active NPI

Zachary Myslinski, MD

  • Psychiatry Physician
  • Concord, MA
National Provider Identifier
1104403930
Registry record updated Aug 26, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Psychiatry PhysicianTaxonomy code 2084P0800X
License
1021411 Issued in MA
Practice address
300 Baker Avenue
Suite 300 (Private Office 349)
Concord, MA 01742-2124
Phone
(833) 351-8255
NPI assigned
Mar 26, 2021
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 26, 2025

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Psychiatry Physician 2084P0800X 336379-01 NY
Psychiatry Physician 2084P0800X 80714 CT
Psychiatry Physician 2084P0800X 1021411 MA Primary

Addresses

Primary practice location

300 Baker Avenue
Suite 300 (Private Office 349)
Concord, MA 01742-2124

Mailing address

109 W 27TH St RM 5S
New York, NY 10001-6208
Phone (833) 351-8255

Other practice location 1

1000 Lafayette Blvd
Suite 110 (Private Office 1146)
Bridgeport, CT 06604
Phone (833) 351-8255

Other practice location 2

109 W 27th St Rm 5S
New York, NY 10001-6208
Phone (833) 351-8255

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MA
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
I20251114002930 MA Practitioner - Psychiatry 8426549676 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Psychiatry
Education
Other, 2021
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
MCCD FL Psychiatry Services PAGroup PAC ID 4880064070, 751 clinicians

Practice addresses (Care Compare)

265 Franklin St
Suite 1702
Boston, MA 02110-3144
Phone (833) 351-8255

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
1021411MAMDClinical Social Worker
80714CTMDPsychiatry Physician
336379-01NYMDPsychiatry Physician
336379NYMDFamily Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
MCCD FL Psychiatry Services PA Psychiatry CurrentSince Sep 6, 2025 Accepting new patients

Locations

265 Franklin St
Ste 1702
Boston, MA 02110
Phone (203) 721-6500

300 Baker Ave
Ste 300
Concord, MA 01742
Phone (864) 336-2731

109 W 27th St
Rm 5S
New York, NY 10001
Phone (332) 230-4572

Interoperability endpoints

  • Direct secure messaging: zmyslinski252158@direct.bilh.masshiway.net

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": "1616716800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1756166400000",
    "number": "1104403930",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "109 W 27TH ST RM 5S",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100016208",
            "telephone_number": "833-351-8255",
            "fax_number": "631-363-1830"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "300 BAKER AVENUE",
            "address_2": "SUITE 300 (PRIVATE OFFICE 349)",
            "city": "CONCORD",
            "state": "MA",
            "postal_code": "017422124",
            "telephone_number": "833-351-8255"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1000 Lafayette Blvd",
            "address_2": "Suite 110 (Private Office 1146)",
            "address_purpose": "LOCATION",
            "city": "Bridgeport",
            "state": "CT",
            "postal_code": "06604",
            "country_code": "US",
            "telephone_number": "833-351-8255",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "109 W 27th St Rm 5S",
            "address_purpose": "LOCATION",
            "city": "New York",
            "state": "NY",
            "postal_code": "100016208",
            "country_code": "US",
            "telephone_number": "833-351-8255",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MYSLINSKI",
        "first_name": "ZACHARY",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2021-03-26",
        "last_updated": "2025-08-26",
        "certification_date": "2025-08-26",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "NY",
            "license": "336379-01",
            "primary": false
        },
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "CT",
            "license": "80714",
            "primary": false
        },
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "MA",
            "license": "1021411",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Concord, MA

Sources for this page

Verify at the official NPI Registry.