James Yankowskas, D.D.S.
General Practice Dentistry · Tyngsboro, MA
James Yankowskas, D.D.S. is a general practice dentistry with a practice address in Tyngsboro, Massachusetts, and NPI 1649396425, issued on Mar 22, 2007. Check the license (Massachusetts 15880, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- James Yankowskas
- Credential
- D.D.S.
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 15880 MA
Self-reported in NPPES; status is on the state search - Practice location
- 15 Pondview PL, Tyngsboro, MA 01879
- Phone
- (978) 649-7773
- Enumerated
- Mar 22, 2007
- Entity
- Type 1 · individual
Also registered at 15 Pondview PL
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Andrea Kapsou, D.M.D.Dentist1295983773
- VI Ngo, D.M.DGeneral Practice Dentistry1770838096
Verify James Yankowskas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license 15880Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
2.5 times the Medicare Part D claims of the average general practice dentistry in 2024
210 Medicare Part D claims for 96 beneficiaries, against an average of 84 among the 68,591 providers of this specialty who prescribed in Part D. 18 claims were for opioids.
Most prescribed
- Amoxicillin87 claims
- Amoxicillin-Clavulanate Potass32 claims
- Clindamycin Hcl25 claims
- Hydrocodone-Acetaminophen16 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.
Industry payments in 2024: $155.26
4 payments, mostly food and beverage; the largest payer was Dentsply Sirona Inc. The 40,968 providers of this specialty with any payment received $593.28 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
5 general practice dentistry records list a Tyngsboro practice address
They are 5 of the 80 NPPES records with a Tyngsboro practice address, and 3,351 general practice dentistry records in Massachusetts.
All 5 in Tyngsboro → All 3,351 in Massachusetts → Every provider in Tyngsboro →
Other general practice dentistry records in Massachusetts
- Mark Aaron, DMDGreat Barrington, MA1902020902
- Jamil Abbasy, DMDSouthampton, MA1992988026
- Muhannad AbdulghaniBrockton, MA1326806654
- Asma AbdullahShrewsbury, MA1225301237
- Sabahat Abernethy, DMD, CAGSAbington, MA1518089903
- Rana Abood, DMDBoston, MA1376660936
- Rachelle Abou-Ezzi, D.M.DNorth Andover, MA1164579389
- Alaa AbougamraHaverhill, MA1730862418
- Mario Aboujaoude, DDSFitchburg, MA1962597237
- Sevak Abrahamian, DDSWilmington, MA1629096599
Common questions
What is James Yankowskas, D.D.S.'s NPI number?
James Yankowskas, D.D.S.'s National Provider Identifier (NPI) is 1649396425, issued on Mar 22, 2007. An NPI identifies a provider in billing; it is not a license.
Where is James Yankowskas, D.D.S. located?
The NPPES record lists a practice address at 15 Pondview PL, Tyngsboro, MA, 01879. Phone: (978) 649-7773. Providers update this record themselves, so call before visiting.
How can I verify James Yankowskas, D.D.S.'s license?
NPPES lists Massachusetts license number 15880, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does James Yankowskas, D.D.S. prescribe under Medicare Part D?
In 2024, James Yankowskas, D.D.S. had 210 Medicare Part D claims for 96 beneficiaries; the average among general practice dentistry prescribers was 84. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.