Thomas Allen Trowbridge, DDS, MD
Oral and Maxillofacial Surgery (Dentist) · Lowell, MA
Thomas Allen Trowbridge, DDS, MD is an oral and maxillofacial surgery (dentist) with a practice address in Lowell, Massachusetts, and NPI 1407836927, issued on Jan 19, 2006. Check the license (Massachusetts 18972, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Thomas Allen Trowbridge
- Credential
- DDS, MD
- Primary taxonomy
- Oral and Maxillofacial Surgery (Dentist) 1223S0112X
- License numbers
- 18972 MA
150682 MA
2777 NH
Self-reported in NPPES; status is on the state search - Practice location
- 33 Bartlett St, Lowell, MA 01852
- Phone
- (978) 458-1264
- Enumerated
- Jan 19, 2006
- Record last updated
- Nov 28, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20120214000596); may accept Medicare assignment
- Medical or professional school
- State University Of New York At Stony Brook, School Of Medicine, 1993
- Entity
- Type 1 · individual
8 nearest oral and maxillofacial surgery (dentist) records → All 280 in Massachusetts → Look up another NPI →
Also registered at 33 Bartlett St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Saud Alzahrani, M.D.Endocrinology, Diabetes & Metabolism Physician1326326349
- Christos Bacos, D.M.D.Oral and Maxillofacial Surgery (Dentist)1689712671
- Jennifer Bell, M.D.Pediatrics Physician1336106657
- Simon Beylin, DDS, MDTEndodontics1629352661
Verify Thomas Allen Trowbridge in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license 18972Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
51% fewer Medicare Part D claims than the average oral and maxillofacial surgery (dentist) in 2024
200 Medicare Part D claims for 117 beneficiaries, against an average of 406 among the 5,870 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 20 claims were for opioids.
Most prescribed
- Amoxicillin80 claims
- Chlorhexidine Gluconate34 claims
- Ibuprofen21 claims
- Azithromycin12 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: $34.06
3 payments; by number, the most common kind was food and beverage; the largest payer was Zest Holdings, LLC. The 4,075 providers of this specialty with any payment received $1,077.58 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.
Bills Medicare through one group practice
- Lowell Oral Surgery Associates, IncLowell, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Thomas Allen Trowbridge among 280 oral and maxillofacial surgery (dentist) records in Massachusetts
Thomas Allen Trowbridge, DDS, MD is one of 280 oral and maxillofacial surgery (dentist) records with a practice address in Massachusetts. 64% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 11% of them.
- NPI issued2006 · 11% of these records are older, 54% newer
- In a Medicare fileYes · 64% of these records are
- In the CMS Doctors and Clinicians fileYes · 26% of these records are
- Graduated1993 · median 2002 among the 74 with a school on file
- Record last updated2007 · 69% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223S0112X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Oral and Maxillofacial Surgery (Dentist) providers in Massachusetts
There are 280 oral and maxillofacial surgery (dentist) records in Massachusetts.
All 280 in Massachusetts → Every provider in Lowell → Oral and Maxillofacial Surgery (Dentist) nationwide →
The 8 oral and maxillofacial surgery (dentist) records with the nearest ZIP codes
- Lauren Anderson, DMDLowell, MA 018521609332014
- Christos Bacos, D.M.D.Lowell, MA 018521689712671
- Sotirios Diamantis, MD, DMDLowell, MA 018521386837797
- Jeffrey Stone, DMD, MDLowell, MA 018521053391102
- Sajal Swaroop, DMDLowell, MA 018521548600216
- Allen Tarro, D.M.D.Lowell, MA 018521851438295
- Matthew FrykenbergNorth Andover, MA 018451295276954
- Michael Hunter, D.M.D.North Andover, MA 018451376641175
Common questions
What is Thomas Allen Trowbridge, DDS, MD's NPI number?
Thomas Allen Trowbridge, DDS, MD's National Provider Identifier (NPI) is 1407836927, issued on Jan 19, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Thomas Allen Trowbridge, DDS, MD 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 Thomas Allen Trowbridge, DDS, MD's license?
NPPES lists Massachusetts license number 18972, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Thomas Allen Trowbridge, DDS, MD prescribe under Medicare Part D?
In 2024, Thomas Allen Trowbridge, DDS, MD had 200 Medicare Part D claims for 117 beneficiaries; the average among oral and maxillofacial surgery (dentist) prescribers was 406. 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.