Timothy R. Gresla, D.D.S.
Endodontics · Winchester, MA
Timothy R. Gresla, D.D.S. is an endodontics with a practice address in Winchester, Massachusetts, and NPI 1548428253, issued on May 29, 2008. Check the license (Massachusetts 19631, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Timothy R. Gresla
- Credential
- D.D.S.
- Primary taxonomy
- Endodontics 1223E0200X
- License number
- 19631 MA
Self-reported in NPPES; status is on the state search - Practice location
- 47 Shore RD, Winchester, MA 01890
- Phone
- (781) 729-6622
- Enumerated
- May 29, 2008
- Record last updated
- May 29, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (781) 729-0183
- Entity
- Type 1 · individual
8 nearest endodontics records → All 276 in Massachusetts → Look up another NPI →
Also registered at 47 Shore RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Richard Bush, D.D.S.Endodontics1942468681
- Steven Forgione, D.M.D.Endodontics1538327259
- Ralph Lauretano, DMDGeneral Practice Dentistry1639190432
- Ralph Lauretano, D.M.D.Dentist1376756015
- William Reed, DMDEndodontics1265691539
Verify Timothy R. Gresla in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license 19631Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average endodontics in 2024
16 Medicare Part D claims for 11 beneficiaries, against an average of 121 among the 4,119 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.
Industry payments in 2024: $17.48
1 payment: education; the largest payer was Colgate Oral Pharmaceuticals, Inc. The 2,057 providers of this specialty with any payment received $49,739.86 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.
Timothy R. Gresla among 276 endodontics records in Massachusetts
Timothy R. Gresla, D.D.S. is one of 276 endodontics records with a practice address in Massachusetts. 61% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 61% of them.
- NPI issued2008 · 61% of these records are older, 34% newer
- In a Medicare fileYes · 61% of these records are
- In the CMS Doctors and Clinicians fileNo · 0% of these records are
- Record last updated2008 · 78% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223E0200X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endodontics providers in Massachusetts
There are 276 endodontics records in Massachusetts.
All 276 in Massachusetts → Every provider in Winchester → Endodontics nationwide →
The 8 endodontics records with the nearest ZIP codes
- Richard Bush, D.D.S.Winchester, MA 018901942468681
- Hannah Cohen, DDSWinchester, MA 018901972025328
- Steven Forgione, D.M.D.Winchester, MA 018901538327259
- William Reed, DMDWinchester, MA 018901265691539
- Mona El-Sheikh, D.M.D.Wakefield, MA 018801225150048
- Howard Yoon, DMDReading, MA 018671578086708
- Timothy Carter, DDSNorth Chelmsford, MA 018631225152358
- Jack Gilad, DMDNorth Chelmsford, MA 018631952319956
Common questions
What is Timothy R. Gresla, D.D.S.'s NPI number?
Timothy R. Gresla, D.D.S.'s National Provider Identifier (NPI) is 1548428253, issued on May 29, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Timothy R. Gresla, D.D.S. located?
The NPPES record lists a practice address at 47 Shore RD, Winchester, MA, 01890. Phone: (781) 729-6622. Providers update this record themselves, so call before visiting.
How can I verify Timothy R. Gresla, D.D.S.'s license?
NPPES lists Massachusetts license number 19631, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Timothy R. Gresla, D.D.S. prescribe under Medicare Part D?
In 2024, Timothy R. Gresla, D.D.S. had 16 Medicare Part D claims for 11 beneficiaries; the average among endodontics prescribers was 121. 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.