NPPES file of Aug 9, 2026

Gary L. Grilli, DDS

Dentist · South Windsor, CT

Gary L. Grilli, DDS is a dentist with a practice address in South Windsor, Connecticut, and NPI 1336243948, issued on Sep 12, 2006. Check the license (Connecticut 4251, as entered in NPPES) with the Connecticut board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1336243948
Name
Gary L. Grilli
Credential
DDS
Primary taxonomy
Dentist 122300000X
License number
4251 CT
Self-reported in NPPES; status is on the state search
Practice location
435 Buckland RD, South Windsor, CT 06074
Phone
(860) 644-1509
Enumerated
Sep 12, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(860) 644-1500
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 435 Buckland RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Benedicta Anyabine, RNPsychiatric/Mental Health Registered Nurse1184443863
  2. Rebecca DewaldProfessional Counselor1285438846
  3. Barbara Emery, APRNPhysician Assistant1154527299
  4. Helen Fisher, M.S.Marriage & Family Therapist1952603490
  5. Maureen Francis-Dunn, LCSWClinical Social Worker1114294022
  6. Andrea Grant, LCSWClinical Social Worker1740565241

Verify Gary L. Grilli in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
    Search for license 4251
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Connecticut license search

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57% fewer Medicare Part D claims than the average dentist in 2024

37 Medicare Part D claims for 28 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D.

  1. Gary Grilli37
  2. Specialty average86

Most prescribed

  1. Amoxicillin18 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.

6 dentist records list a practice address in South Windsor

They are 6 of the 436 NPPES records with a practice address in South Windsor, and 862 dentist records in Connecticut.

Other dentist records in Connecticut

  1. Lauren Aber, DMDMeriden, CT1083264998
  2. Cailyn Abramson, D.M.D.Burlington, CT1437303831
  3. Laura Acuna- Vinluan, DDSStamford, CT1336775501
  4. Theodore Adamidis, DMDNewington, CT1396877981
  5. Tatiana Agababaeva, DMDBridgeport, CT1730530577
  6. Ashfaq Ahmad, DMDRidgefield, CT1164734372
  7. Bobby Ahmadi, DMDDarien, CT1598334724
  8. Ahmad Alabbadi, DMDWindsor, CT1356788871
  9. Dina Albano, D.M.D.Waterbury, CT1235264920
  10. Lindsay Albino, DMDNorth Haven, CT1871154476

Common questions

What is Gary L. Grilli, DDS's NPI number?

Gary L. Grilli, DDS's National Provider Identifier (NPI) is 1336243948, issued on Sep 12, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Gary L. Grilli, DDS located?

The NPPES record lists a practice address at 435 Buckland RD, South Windsor, CT, 06074. Phone: (860) 644-1509. Providers update this record themselves, so call before visiting.

How can I verify Gary L. Grilli, DDS's license?

NPPES lists Connecticut license number 4251, as entered by the provider. Search the Connecticut board that licenses this profession; the NPPES record confirms identity only.

How much does Gary L. Grilli, DDS prescribe under Medicare Part D?

In 2024, Gary L. Grilli, DDS had 37 Medicare Part D claims for 28 beneficiaries; 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.