Gregory S. Theberge, DDS
Periodontics · Johnston, RI
Gregory S. Theberge, DDS is a periodontics with a practice address in Johnston, Rhode Island, and NPI 1851434070, issued on Feb 15, 2007. Check the license (Rhode Island DENO2364, as entered in NPPES) with the Rhode Island board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Gregory S. Theberge
- Credential
- DDS
- Primary taxonomy
- Periodontics 1223P0300X
- License number
- DENO2364 RI
Self-reported in NPPES; status is on the state search - Practice location
- 1740 Atwood Ave, Johnston, RI 02919
- Phone
- (401) 233-9800
- Enumerated
- Feb 15, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (401) 233-9898
- Entity
- Type 1 · individual
8 nearest periodontics records → All 27 in Rhode Island → Look up another NPI →
Also registered at 1740 Atwood Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Edward Katz, DDSPeriodontics1578606786
- Charles Pham, D.M.D.Periodontics1699124982
Verify Gregory S. Theberge in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Rhode Island board licenses this profession
Search for license DENO2364Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
31% more Medicare Part D claims than the average periodontics in 2024
364 Medicare Part D claims for 197 beneficiaries, against an average of 277 among the 4,191 providers of this specialty who prescribed in Part D. 42 claims were for opioids.
Most prescribed
- Amoxicillin164 claims
- Ibuprofen73 claims
- Azithromycin28 claims
- Oxycodone-Acetaminophen26 claims
- Hydrocodone-Acetaminophen13 claims
- Chlorhexidine Gluconate12 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: $430.09
13 payments; by number, the most common kind was food and beverage; the largest payer was Zimvie 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 S. Theberge among 27 periodontics records in Rhode Island
Gregory S. Theberge, DDS is one of 27 periodontics records with a practice address in Rhode Island. 63% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 41% of them.
- NPI issued2007 · 41% of these records are older, 19% newer
- In a Medicare fileYes · 63% of these records are
- In the CMS Doctors and Clinicians fileNo · 0% of these records are
- Record last updated2007 · 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 1223P0300X and a Rhode Island practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Periodontics providers in Rhode Island
There are 27 periodontics records in Rhode Island.
All 27 in Rhode Island → Every provider in Johnston → Periodontics nationwide →
The 8 periodontics records with the nearest ZIP codes
- Daniel Decesare, D.D.S.Johnston, RI 029191124231253
- Edward Katz, DDSJohnston, RI 029191578606786
- Charles Pham, D.M.D.Johnston, RI 029191699124982
- Richard Glick, DDSCranston, RI 029201528044773
- Arthur Georgeu, D.M.D.Rumford, RI 029161457463838
- David Pezzullo, DMDProvidence, RI 029071831101989
- John Broderick, DMDProvidence, RI 029061841403953
- Scott Fertik, DDSProvidence, RI 029061982810214
Common questions
What is Gregory S. Theberge, DDS's NPI number?
Gregory S. Theberge, DDS's National Provider Identifier (NPI) is 1851434070, issued on Feb 15, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Gregory S. Theberge, DDS located?
The NPPES record lists a practice address at 1740 Atwood Ave, Johnston, RI, 02919. Phone: (401) 233-9800. Providers update this record themselves, so call before visiting.
How can I verify Gregory S. Theberge, DDS's license?
NPPES lists Rhode Island license number DENO2364, as entered by the provider. Search the Rhode Island board that licenses this profession; the NPPES record confirms identity only.
How much does Gregory S. Theberge, DDS prescribe under Medicare Part D?
In 2024, Gregory S. Theberge, DDS had 364 Medicare Part D claims for 197 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.