Data from the NPPES registry. May not reflect recent changes — verify at nppes.cms.hhs.gov.
DR. JOHN WILLIAM KOTARSKI, D.D.S.
Active Sole ProprietorDR. JOHN WILLIAM KOTARSKI, D.D.S. is a Dentist healthcare provider located in SPRINGFIELD, Massachusetts. NPI 1215159413 is currently active in the NPPES registry. Verify at CMS.
Dentist · SPRINGFIELD, MA
Registration Details
- NPI Number
- 1215159413
- Provider Type
- Individual
- Gender
- Male
- NPI Issued
- May 3, 2007 (19.100995018874 yrs)
- Last Updated
- Feb 15, 2026
- License
-
9094 (MA)
- Sole Proprietor
- Yes
Practice Information
- Address
-
125 LIBERTY STSUITE 306SPRINGFIELD, MA, 011031114Browse MA providers · Browse ZIP 01103
- Phone
- 4137336611
- Primary Specialty
-
Dentist
122300000X
Other Dentist Providers in SPRINGFIELD, MA
| Name | Credential | NPI |
|---|---|---|
| DR. ANTHONY E BREGLIO SR. | DMD | 1366427148 |
| LESLIE ZIDE | DMD | 1154306934 |
| LAURA GRAMSE | — | 1184795908 |
| ROBERT LOUIS KIRSTEIN | DMD | 1427115062 |
| DR. MATTHEW KATZ | D.M.D. | 1083738413 |
| MR. ROBERT BISKOP | DMD | 1710190459 |
Data sourced from the NPPES National Provider Identifier registry. This information is for informational purposes only and is not a substitute for verifying credentials with the appropriate licensing authority. For official verification, use the NPPES NPI Registry or the relevant state medical board.