Registry data as of Aug 27, 2026

Sotirios Diamantis, MD, DMD

Oral & Maxillofacial Surgery (D.M.D.) · Lowell, MA

Sotirios Diamantis, MD, DMD is an oral & maxillofacial surgery (d.m.d.) with a practice address in Lowell, Massachusetts, and NPI 1386837797, issued on Aug 20, 2007. Check the license with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1386837797
Name
Sotirios Diamantis
Credential
MD, DMD
Primary taxonomy
Oral & Maxillofacial Surgery (D.M.D.) 204E00000X
Practice location
33 Bartlett St, Lowell, MA 01852
Phone
(978) 458-1264
Enumerated
Aug 20, 2007
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 33 Bartlett St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Zaheer Ahmed, M.D.Internal Medicine Physician1346289337
  2. Margaret Allard, MD MPHInternal Medicine Physician1528024585
  3. Saud Alzahrani, M.D.Endocrinology, Diabetes & Metabolism Physician1326326349
  4. Christos Bacos, D.M.D.Oral and Maxillofacial Surgery (Dentist)1689712671
  5. Jennifer Bell, M.D.Pediatrics Physician1336106657
  6. Simon Beylin, DDS, MDTDentist1629352661

Verify Sotirios Diamantis in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Massachusetts board licenses this professionCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Find the Massachusetts license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

15% fewer Medicare Part D claims than the average oral & maxillofacial surgery (d.m.d.) in 2024

305 Medicare Part D claims for 188 beneficiaries, against an average of 357 among the 795 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 42 claims were for opioids.

  1. Sotirios Diamantis305
  2. Specialty average357

Most prescribed

  1. Amoxicillin139 claims
  2. Azithromycin32 claims
  3. Ibuprofen26 claims
  4. Tramadol Hcl25 claims
  5. Chlorhexidine Gluconate23 claims
  6. Clindamycin Hcl17 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.

One hospital or facility affiliation

  1. Lowell Oral Surgery Associates, IncLowell, 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 & Maxillofacial Surgery (D.M.D.) providers in Massachusetts

There are 84 oral & maxillofacial surgery (d.m.d.) records in Massachusetts.

Other oral & maxillofacial surgery (d.m.d.) records in Massachusetts

  1. Sama Abdul-Aziz, DMDBoston, MA1427543610
  2. Faith AjiboyeQuincy, MA1063911923
  3. Peter Albanese, DMDGreenfield, MA1699796318
  4. Ami Amini-Salari, MD, DMD, PHDBoston, MA1689088700
  5. Meredith August, DMD MDBoston, MA1780667147
  6. Paula Barbisan, DDSBoston, MA1801248018
  7. David Beanland, D.M.D. M.D.Billerica, MA1932147238
  8. David Best, DDS, MDBoston, MA1508393414
  9. Christopher Blount, DDSGreenfield, MA1710964028
  10. Carl Bouchard, DMDBoston, MA1255597118

Common questions

What is Sotirios Diamantis, MD, DMD's NPI number?

Sotirios Diamantis, MD, DMD's National Provider Identifier (NPI) is 1386837797, issued on Aug 20, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Sotirios Diamantis, MD, DMD located?

The NPPES record lists a practice address at 33 Bartlett St, Lowell, MA, 01852. Phone: (978) 458-1264. Providers update this record themselves, so call before visiting.

How can I verify Sotirios Diamantis, MD, DMD's license?

Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.

How much does Sotirios Diamantis, MD, DMD prescribe under Medicare Part D?

In 2024, Sotirios Diamantis, MD, DMD had 305 Medicare Part D claims for 188 beneficiaries; the average among oral & maxillofacial surgery (d.m.d.) prescribers was 357. 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.