Gregory A. Toback, D.M.D.,M.S.
Periodontics · New London, CT
Gregory A. Toback, D.M.D.,M.S. is a periodontics with a practice address in New London, Connecticut, and NPI 1275590150, issued on Apr 26, 2006. Check the license (Connecticut 8455, as entered in NPPES) with the Connecticut board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Gregory A. Toback
- Credential
- D.M.D.,M.S.
- Primary taxonomy
- Periodontics 1223P0300X
- License numbers
- 8455 CT
2628 RI
Self-reported in NPPES; status is on the state search - Practice location
- 190 Hempstead St, New London, CT 06320
- Phone
- (860) 443-5298
- Enumerated
- Apr 26, 2006
- Record last updated
- Jul 13, 2026
- Fax
- (860) 443-6704
- Entity
- Type 1 · individual
8 nearest periodontics records → All 117 in Connecticut → Look up another NPI →
Also registered at 190 Hempstead St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Garrett Brennan, DDSPediatric Dentistry1255320784
- Christopher Clark, D.M.D.Pediatric Dentistry1093704207
- Aravind Menon, D.M.D.Pediatric Dentistry1083603435
- Amy Napierala, DDSPediatric Dentistry1821089368
- Keila Norman, DMDPeriodontics1790872588
- Ellen Pearce, DMDPeriodontics1629640933
Verify Gregory A. Toback in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
Search for license 8455Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
70% more Medicare Part D claims than the average periodontics in 2024
471 Medicare Part D claims for 241 beneficiaries, against an average of 277 among the 4,191 providers of this specialty who prescribed in Part D. 39 claims were for opioids.
Most prescribed
- Amoxicillin218 claims
- Ibuprofen56 claims
- Azithromycin44 claims
- Hydrocodone-Acetaminophen32 claims
- Diazepam22 claims
- Sodium Fluoride 5000 Plus15 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: $479.07
8 payments; by number, the most common kind was food and beverage; the largest payer was Keystone Dental Inc. The 2,966 providers of this specialty with any payment received $1,338.41 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.
Gregory A. Toback among 117 periodontics records in Connecticut
Gregory A. Toback, D.M.D.,M.S. is one of 117 periodontics records with a practice address in Connecticut. 55% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 3% of them.
- NPI issued2006 · 3% of these records are older, 64% newer
- In a Medicare fileYes · 55% of these records are
- In the CMS Doctors and Clinicians fileNo · 0% of these records are
- Record last updated2026 · 85% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223P0300X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Periodontics providers in Connecticut
There are 117 periodontics records in Connecticut.
All 117 in Connecticut → Every provider in New London → Periodontics nationwide →
The 8 periodontics records with the nearest ZIP codes
- Robert Carnevale, D.M.D.New London, CT 063201811954795
- Keila Norman, DMDNew London, CT 063201790872588
- Ellen Pearce, DMDNew London, CT 063201629640933
- Lavanya Rajendran, DMDNew London, CT 063201831692425
- Daniel Rolotti, DMDNew London, CT 063201578995056
- Arthur Dean, DMDGroton, CT 063401851562466
- Matthew Miller, DDSGroton, CT 063491043207004
- Christopher Ortiz, D.M.D.Groton, CT 063491871843755
Common questions
What is Gregory A. Toback, D.M.D.,M.S.'s NPI number?
Gregory A. Toback, D.M.D.,M.S.'s National Provider Identifier (NPI) is 1275590150, issued on Apr 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gregory A. Toback, D.M.D.,M.S. located?
The NPPES record lists a practice address at 190 Hempstead St, New London, CT, 06320. Phone: (860) 443-5298. Providers update this record themselves, so call before visiting.
How can I verify Gregory A. Toback, D.M.D.,M.S.'s license?
NPPES lists Connecticut license number 8455, as entered by the provider. Search the Connecticut board that licenses this profession; the NPPES record confirms identity only.
How much does Gregory A. Toback, D.M.D.,M.S. prescribe under Medicare Part D?
In 2024, Gregory A. Toback, D.M.D.,M.S. had 471 Medicare Part D claims for 241 beneficiaries; the average among periodontics prescribers was 277. 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.