Theodore Peter Wasik, MD
Psychiatry Physician · Lexington, MA
Theodore Peter Wasik, MD is a psychiatry physician with a practice address in Lexington, Massachusetts, and NPI 1003025776, issued on May 21, 2007. Check the license (Massachusetts 243789, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Theodore Peter Wasik
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 243789 MA
Self-reported in NPPES; status is on the state search - Practice location
- 1632 Massachusetts Ave, Lexington, MA 02420
- Phone
- (617) 470-1805
- Enumerated
- May 21, 2007
- Record last updated
- Apr 24, 2025
- Fax
- (781) 496-1042
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 2,736 in Massachusetts → Look up another NPI →
Verify Theodore Peter Wasik in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 243789Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average psychiatry physician in 2024
79 Medicare Part D claims, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Gabapentin20 claims
- Bupropion Xl12 claims
- Clonazepam12 claims
- Quetiapine Fumarate12 claims
- Zolpidem Tartrate Er12 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Theodore Peter Wasik among 2,736 psychiatry physician records in Massachusetts
Theodore Peter Wasik, MD is one of 2,736 psychiatry physician records with a practice address in Massachusetts. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 49% of them.
- NPI issued2007 · 49% of these records are older, 37% newer
- In a Medicare fileYes · 65% of these records are
- In the CMS Doctors and Clinicians fileNo · 45% of these records are
- Record last updated2025 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
29 psychiatry physician records list a practice address in Lexington
They are 29 of the 1,467 NPPES records with a practice address in Lexington, and 2,736 psychiatry physician records in Massachusetts.
All 2,736 in Massachusetts → Every provider in Lexington → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Karen Adler, MDLexington, MA 024201508029182
- Loren Aguiar, M.D.Lexington, MA 024201366509812
- Can Bulucu, M.D.Lexington, MA 024201942309869
- Paolo Cassano, MD, PHDLexington, MA 024201700912136
- Jodi Eipper-Mains, M.D./PH.D.Lexington, MA 024201720320401
- Anne Fenton, M.D.Lexington, MA 024201720067366
- Ilan Goldberg, M.D.Lexington, MA 024201356463434
- Ellen Hilsinger, M.D.Lexington, MA 024201548209638
Common questions
What is Theodore Peter Wasik, MD's NPI number?
Theodore Peter Wasik, MD's National Provider Identifier (NPI) is 1003025776, issued on May 21, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Theodore Peter Wasik, MD located?
The NPPES record lists a practice address at 1632 Massachusetts Ave, Lexington, MA, 02420. Phone: (617) 470-1805. Providers update this record themselves, so call before visiting.
How can I verify Theodore Peter Wasik, MD's license?
NPPES lists Massachusetts license number 243789, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Theodore Peter Wasik, MD prescribe under Medicare Part D?
In 2024, Theodore Peter Wasik, MD had 79 Medicare Part D claims; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.