Active NPI
Theodore Peter Wasik, MD
- Psychiatry Physician
- Lexington, MA
National Provider Identifier
1003025776
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Psychiatry Physician
- License
- 243789
- 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
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| 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.
- Credentials
- Doctor of Medicine
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Health Access Network | Past | Accepting new patients | |
| Nova Psychiatric Service | Past | Accepting new patients | |
| Nova Psychiatric Services, PC | Past | 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.
-
- Psychologist
- Quincy, MA
- NPI 1598838781
-
- Community/Behavioral Health Agency
- Quincy, MA
- NPI 1881782522
-
- Physical Medicine & Rehabilitation Physician
- Chester, PA
- NPI 1356460380
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.