Piotr Karwowski, D.M.D.
Dentist · Worcester, MA
Piotr Karwowski, D.M.D. is a dentist with a practice address in Worcester, Massachusetts, and NPI 1124409164, issued on Jun 16, 2015. Check the license (Massachusetts DN1856924, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Piotr Karwowski
- Credential
- D.M.D.
- Primary taxonomy
- Dentist 122300000X
- License number
- DN1856924 MA
Self-reported in NPPES; status is on the state search - Practice location
- 309 Belmont St, Worcester, MA 01604
- Phone
- (847) 727-7661
- Enumerated
- Jun 16, 2015
- Record last updated
- Jul 31, 2024
- Entity
- Type 1 · individual
8 nearest dentist records → All 2,934 in Massachusetts → Look up another NPI →
Also registered at 309 Belmont St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Margaret AkintanPsychiatric/Mental Health Nurse Practitioner1639829880
- Regina Amorello, LICSWClinical Social Worker1154803153
- Ellen Annor, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1568339919
- Natalie Anumba, PH.D.Clinical Psychologist1497243133
- Jacqueline Barth, PA-CPhysician Assistant1750096202
- Jennifer Benger, PSY.D.Clinical Child & Adolescent Psychologist1346729514
Verify Piotr Karwowski in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license DN1856924Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
84% fewer Medicare Part D claims than the average dentist in 2024
14 Medicare Part D claims, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
Piotr Karwowski among 2,934 dentist records in Massachusetts
Piotr Karwowski, D.M.D. is one of 2,934 dentist records with a practice address in Massachusetts. 58% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 49% of them.
- NPI issued2015 · 49% of these records are older, 48% newer
- In a Medicare fileYes · 58% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2024 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 122300000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Dentist providers in Massachusetts
There are 2,934 dentist records in Massachusetts.
All 2,934 in Massachusetts → Every provider in Worcester → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Yazan Abou ZakhemWorcester, MA 016041841807104
- Raheelf Farooqui, DMDWorcester, MA 016041790358349
- Susan Fiorillo, GENERAL DENTISTRYWorcester, MA 016041437160702
- Jhon Giraldo, DMDWorcester, MA 016041972756211
- Sabrina Nguyen, D.M.DWorcester, MA 016041932553864
- Nicholas Rodgers, DMDWorcester, MA 016041609679125
- Yanqiu WengWorcester, MA 016041689308793
- Yoon Seon YangWorcester, MA 016041306336201
Common questions
What is Piotr Karwowski, D.M.D.'s NPI number?
Piotr Karwowski, D.M.D.'s National Provider Identifier (NPI) is 1124409164, issued on Jun 16, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Piotr Karwowski, D.M.D. located?
The NPPES record lists a practice address at 309 Belmont St, Worcester, MA, 01604. Phone: (847) 727-7661. Providers update this record themselves, so call before visiting.
How can I verify Piotr Karwowski, D.M.D.'s license?
NPPES lists Massachusetts license number DN1856924, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Piotr Karwowski, D.M.D. prescribe under Medicare Part D?
In 2024, Piotr Karwowski, D.M.D. had 14 Medicare Part D claims; the average among dentist prescribers was 86. 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.