Individual provider Active NPI

Theodore Peter Wasik, MD

  • Psychiatry Physician
  • Lexington, MA
National Provider Identifier
1003025776
Registry record updated Apr 24, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Psychiatry PhysicianTaxonomy code 2084P0800X
License
243789 Issued in MA
Practice address
1632 Massachusetts Ave
Lexington, MA 02420-3802
Phone
(617) 470-1805
Fax
(781) 496-1042
NPI assigned
May 21, 2007
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Apr 24, 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 243789 MA Primary

Addresses

Primary practice location

1632 Massachusetts Ave
Lexington, MA 02420-3802

Mailing address

8 Ayer Rd
Harvard, MA 01451-1408
Phone (617) 470-1805

Medicare participation

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

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled
HHS exclusion list flag
Flagged The directory lists this NPI on an HHS exclusion list. The OIG exclusions file (LEIE) holds no record for this NPI, and the directory does not say which list the flag comes from. How exclusions are shown Confirm with the OIG exclusions search.
Credentials
Doctor of Medicine

Practice roles

OrganizationSpecialtyStatusNew patients
Health Access Network Past Accepting new patients
Nova Psychiatric Service Past Accepting new patients
Nova Psychiatric Services, PC PastSince Apr 14, 2018 Accepting new patients

Organizations & group practices 3

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": "1179705600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1745452800000",
    "number": "1003025776",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "8 AYER RD",
            "city": "HARVARD",
            "state": "MA",
            "postal_code": "014511408",
            "telephone_number": "617-470-1805",
            "fax_number": "781-496-1042"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1632 MASSACHUSETTS AVE",
            "city": "LEXINGTON",
            "state": "MA",
            "postal_code": "024203802",
            "telephone_number": "617-470-1805",
            "fax_number": "781-496-1042"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WASIK",
        "first_name": "THEODORE",
        "middle_name": "PETER",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2007-05-21",
        "last_updated": "2025-04-24",
        "certification_date": "2025-04-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "MA",
            "license": "243789",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Lexington, MA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 24, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.