Gregory Caldwell, DMD, MD
Oral and Maxillofacial Surgery (Dentist) · Lexington, MA
Gregory Caldwell, DMD, MD is an oral and maxillofacial surgery (dentist) with a practice address in Lexington, Massachusetts, and NPI 1992795926, issued on Oct 21, 2005. Check the license (Massachusetts 19992, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Gregory Caldwell
- Credential
- DMD, MD
- Primary taxonomy
- Oral and Maxillofacial Surgery (Dentist) 1223S0112X
- License number
- 19992 MA
Self-reported in NPPES; status is on the state search - Practice location
- 35 Bedford St, Lexington, MA 02420
- Phone
- (781) 861-8855
- Enumerated
- Oct 21, 2005
- Entity
- Type 1 · individual
Also registered at 35 Bedford St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Charles Alperin, LICSWClinical Social Worker1356482277
- Wayne Brown, M.D., M.SC., M.P.H.Internal Medicine Physician1831136555
- Jennifer Coplon, LICSWMental Health Counselor1114095619
- Barry Cunha, D.D.S.General Practice Dentistry1427069608
- Stavroyla Hanzis-Pantazopoulos, P.T.Physical Therapist1811924046
- Ellen Hilsinger, M.D.Psychiatry Physician1548209638
Verify Gregory Caldwell in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license 19992Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
35% fewer Medicare Part D claims than the average oral and maxillofacial surgery (dentist) in 2024
264 Medicare Part D claims for 133 beneficiaries, against an average of 407 among the 5,229 providers of this specialty who prescribed in Part D. 29 claims were for opioids.
Most prescribed
- Amoxicillin98 claims
- Chlorhexidine Gluconate70 claims
- Azithromycin24 claims
- Clindamycin Hcl20 claims
- Oxycodone Hcl20 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: $201.18
1 payment, mostly food and beverage; the largest payer was Keystone Dental Inc.. The 3,610 providers of this specialty with any payment received $1,202.33 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.
One hospital or facility affiliation
- Concord And Lexington Oral Surgery Associates LLCLexington, MA
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Oral and Maxillofacial Surgery (Dentist) providers in Massachusetts
There are 261 oral and maxillofacial surgery (dentist) records in Massachusetts.
Other oral and maxillofacial surgery (dentist) records in Massachusetts
- Andrew Abela, DDSWinchester, MA1154464808
- Jason Adam, DDSBoston, MA1679464572
- Salim Afshar, DMD, MDBoston, MA1932305505
- Barry Agranat, DMDWatertown, MA1083604763
- Imran Ahson, D.M.D.Danvers, MA1124255575
- Hamza Al Atassi, DMDBoston, MA1992271092
- Mohamed Al-Janabi, D.M.DWest Roxbury, MA1629324652
- Mulham AllujamiGreenfield, MA1093565822
- Ahmad Alshadwi, BDSBoston, MA1740591080
- Manish Anand, BDS,MDSBoston, MA1902531759
Common questions
What is Gregory Caldwell, DMD, MD's NPI number?
Gregory Caldwell, DMD, MD's National Provider Identifier (NPI) is 1992795926, issued on Oct 21, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Caldwell, DMD, MD located?
The NPPES record lists a practice address at 35 Bedford St, Lexington, MA, 02420. Phone: (781) 861-8855. Providers update this record themselves, so call before visiting.
How can I verify Gregory Caldwell, DMD, MD's license?
NPPES lists Massachusetts license number 19992, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Gregory Caldwell, DMD, MD prescribe under Medicare Part D?
In 2024, Gregory Caldwell, DMD, MD had 264 Medicare Part D claims for 133 beneficiaries; the average among oral and maxillofacial surgery (dentist) prescribers was 407. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.