Gregory D. Carroll, D.M.D.
General Practice Dentistry · Topsfield, MA
Gregory D. Carroll, D.M.D. is a general practice dentistry with a practice address in Topsfield, Massachusetts, and NPI 1619150877, issued on Dec 11, 2007. Check the license (Massachusetts 21912, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Gregory D. Carroll
- Credential
- D.M.D.
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 21912 MA
Self-reported in NPPES; status is on the state search - Practice location
- 32 S Main St, Topsfield, MA 01983
- Phone
- (978) 887-2827
- Enumerated
- Dec 11, 2007
- Record last updated
- Dec 11, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 3,489 in Massachusetts → Look up another NPI →
Also registered at 32 S Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Meryl Atwood, D.M.D.General Practice Dentistry1093998247
- Shirley Brown, RD, LDN,Registered Dietitian1205257755
- Thomas Carroll, D.M.D.Dentist1588870653
Verify Gregory D. Carroll in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license 21912Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
47% fewer Medicare Part D claims than the average general practice dentistry in 2024
44 Medicare Part D claims for 38 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Amoxicillin37 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: $54.55
3 payments; by number, the most common kind was food and beverage; the largest payer was Align Technology, Inc. The 41,669 providers of this specialty with any payment received $597.01 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 D. Carroll among 3,489 general practice dentistry records in Massachusetts
Gregory D. Carroll, D.M.D. is one of 3,489 general practice dentistry records with a practice address in Massachusetts. 58% 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 37% of them.
- NPI issued2007 · 37% of these records are older, 41% newer
- In a Medicare fileYes · 58% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2007 · 77% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223G0001X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
5 general practice dentistry records list a practice address in Topsfield
They are 5 of the 78 NPPES records with a practice address in Topsfield, and 3,489 general practice dentistry records in Massachusetts.
All 3,489 in Massachusetts → Every provider in Topsfield → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Meryl Atwood, D.M.D.Topsfield, MA 019831093998247
- James Collins, DDSTopsfield, MA 019831215941752
- Edmund Lawton, DMDTopsfield, MA 019831316955727
- Peter McAllister, D.M.D.Topsfield, MA 019831043241359
- Andre Leblanc, DMDWenham, MA 019841194878397
- Lisa Murray, DMDSouth Hamilton, MA 019821689670499
- Charles Vorrias, D.M.DSouth Hamilton, MA 019821265528715
- Laura Vorrias, DMDSouth Hamilton, MA 019821154343028
Common questions
What is Gregory D. Carroll, D.M.D.'s NPI number?
Gregory D. Carroll, D.M.D.'s National Provider Identifier (NPI) is 1619150877, issued on Dec 11, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Gregory D. Carroll, D.M.D. located?
The NPPES record lists a practice address at 32 S Main St, Topsfield, MA, 01983. Phone: (978) 887-2827. Providers update this record themselves, so call before visiting.
How can I verify Gregory D. Carroll, D.M.D.'s license?
NPPES lists Massachusetts license number 21912, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Gregory D. Carroll, D.M.D. prescribe under Medicare Part D?
In 2024, Gregory D. Carroll, D.M.D. had 44 Medicare Part D claims for 38 beneficiaries; the average among general practice dentistry prescribers was 83. 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.