Gregory Howard Sprague, DDS, MSD
Endodontics · Topsham, ME
Gregory Howard Sprague, DDS, MSD is an endodontics with a practice address in Topsham, Maine, and NPI 1114052446, issued on Feb 23, 2007. Check the license (Maine DEN4050, as entered in NPPES) with the Maine board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Gregory Howard Sprague
- Credential
- DDS, MSD
- Primary taxonomy
- Endodontics 1223E0200X
- License number
- DEN4050 ME
Self-reported in NPPES; status is on the state search - Practice location
- 37 Foreside RD, Topsham, ME 04086
- Phone
- (207) 798-6700
- Enumerated
- Feb 23, 2007
- Record last updated
- Sep 20, 2017 (not updated in 9 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest endodontics records → All 17 in Maine → Look up another NPI →
Also registered at 37 Foreside RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Payton Heisler, DDSDentist1912890641
- Savannah Leblanc, DDSDentist1083391114
- Polly Nichols, DDSGeneral Practice Dentistry1407982747
- Erick Pickett, DDSDentist1821775057
Verify Gregory Howard Sprague in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maine board licenses this profession
Search for license DEN4050Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
39% fewer Medicare Part D claims than the average endodontics in 2024
74 Medicare Part D claims for 52 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.
Most prescribed
- Amoxicillin34 claims
- Methylprednisolone22 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.
Gregory Howard Sprague among 17 endodontics records in Maine
Gregory Howard Sprague, DDS, MSD is one of 17 endodontics records with a practice address in Maine. 59% 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 18% of them.
- NPI issued2007 · 18% of these records are older, 35% newer
- In a Medicare fileYes · 59% of these records are
- In the CMS Doctors and Clinicians fileNo · 0% of these records are
- Record last updated2017 · 82% 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 Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endodontics providers in Maine
There are 17 endodontics records in Maine.
All 17 in Maine → Every provider in Topsham → Endodontics nationwide →
The 8 endodontics records with the nearest ZIP codes
- Sadhana Prasad, DMDYarmouth, ME 040961437229390
- Howard Broisman, D.M.D.Scarborough, ME 040741699863985
- Samuel Coppola, DDSPortland, ME 041011457536567
- Sonja Evans, DMDPortland, ME 041011386084564
- Peter Mellin, DDSPortland, ME 041011427264886
- Todd Mellin, DMDPortland, ME 041011598971954
- Andrew ShurPortland, ME 041011770799132
- Faisal Almoghaisseeb, DDS, MSPortland, ME 041031558799148
Common questions
What is Gregory Howard Sprague, DDS, MSD's NPI number?
Gregory Howard Sprague, DDS, MSD's National Provider Identifier (NPI) is 1114052446, issued on Feb 23, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Howard Sprague, DDS, MSD located?
The NPPES record lists a practice address at 37 Foreside RD, Topsham, ME, 04086. Phone: (207) 798-6700. Providers update this record themselves, so call before visiting.
How can I verify Gregory Howard Sprague, DDS, MSD's license?
NPPES lists Maine license number DEN4050, as entered by the provider. Search the Maine board that licenses this profession; the NPPES record confirms identity only.
How much does Gregory Howard Sprague, DDS, MSD prescribe under Medicare Part D?
In 2024, Gregory Howard Sprague, DDS, MSD had 74 Medicare Part D claims for 52 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.