Philip Simkowitz, M.D.
Psychiatry Physician · Tewksbury, MA
Philip Simkowitz, M.D. is a psychiatry physician with a practice address in Tewksbury, Massachusetts, and NPI 1821056466, issued on May 3, 2006. Check the license (Massachusetts 152536, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Philip Simkowitz
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 152536 MA
Self-reported in NPPES; status is on the state search - Practice location
- 365 East St, Tewksbury, MA 01876
- Phone
- (978) 851-7321
- Enumerated
- May 3, 2006
- Record last updated
- Dec 7, 2011 (not updated in 15 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20120316000406); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 2,736 in Massachusetts → Look up another NPI →
Also registered at 365 East St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Maame Alert, RNRegistered Nurse1538940564
- Wellington AmparoPeer Specialist1801788492
- Brenda AngelCase Manager/Care Coordinator1114417870
- Diana Arena, D.O.Internal Medicine Physician1609986074
- Sherin Aygun, BAAddiction (Substance Use Disorder) Counselor1114498227
- Shannon BarrettAddiction (Substance Use Disorder) Counselor1417451378
Verify Philip Simkowitz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 152536Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
27% more Medicare Part D claims than the average psychiatry physician in 2024
1,268 Medicare Part D claims for 124 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims.
Most prescribed
- Bupropion Xl192 claims
- Sertraline Hcl129 claims
- Dextroamphetamine-Amphetamine104 claims
- Trazodone Hcl79 claims
- Dextroamphetamine-Amphet Er62 claims
- Clozapine59 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.
Bills Medicare through one group practice
- Child And Family Psychological Services PLLCArlington, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Philip Simkowitz among 2,736 psychiatry physician records in Massachusetts
Philip Simkowitz, M.D. 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 2006, is newer than 10% of them.
- NPI issued2006 · 10% of these records are older, 51% newer
- In a Medicare fileYes · 65% of these records are
- In the CMS Doctors and Clinicians fileYes · 45% of these records are
- Graduated1985 · median 2005 among the 1,219 with a school on file
- Record last updated2011 · 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).
9 psychiatry physician records list a practice address in Tewksbury
They are 9 of the 423 NPPES records with a practice address in Tewksbury, and 2,736 psychiatry physician records in Massachusetts.
All 2,736 in Massachusetts → Every provider in Tewksbury → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Ruby Boyd, MDTewksbury, MA 018761467612861
- Kathleen Brady, M.D.Tewksbury, MA 018761891732533
- Daniel Breslin, M.D.Tewksbury, MA 018761053536391
- Sarah Spratt, M.D.Tewksbury, MA 018761033156609
- Anthony Vagnucci, M.D.Tewksbury, MA 018761184755027
- Allison Wehr, M.D.Tewksbury, MA 018761356389662
- Janet Weisenberger, M.D.Tewksbury, MA 018761508920604
- Peter Whitney Wolff, M.D.Tewksbury, MA 018761598790511
Common questions
What is Philip Simkowitz, M.D.'s NPI number?
Philip Simkowitz, M.D.'s National Provider Identifier (NPI) is 1821056466, issued on May 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Philip Simkowitz, M.D. located?
The NPPES record lists a practice address at 365 East St, Tewksbury, MA, 01876. Phone: (978) 851-7321. Providers update this record themselves, so call before visiting.
How can I verify Philip Simkowitz, M.D.'s license?
NPPES lists Massachusetts license number 152536, 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 Philip Simkowitz, M.D. prescribe under Medicare Part D?
In 2024, Philip Simkowitz, M.D. had 1,268 Medicare Part D claims for 124 beneficiaries; 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.