Shawn M. Marsh, DMD
Oral & Maxillofacial Surgery (D.M.D.) · Boston, MA
Shawn M. Marsh, DMD is an oral & maxillofacial surgery (d.m.d.) with a practice address in Boston, Massachusetts, and NPI 1699938274, issued on Jul 3, 2008. Check the license (Massachusetts D-22172, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Shawn M. Marsh
- Credential
- DMD
- Primary taxonomy
- Oral & Maxillofacial Surgery (D.M.D.) 204E00000X
- License number
- D-22172 MA
Self-reported in NPPES; status is on the state search - Practice location
- Massachusetts General Hospital, Boston, MA 02114
- Phone
- (617) 726-8222
- Enumerated
- Jul 3, 2008
- Record last updated
- Jul 3, 2008 (not updated in 18 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20171129002062); accepts Medicare assignment
- Medical or professional school
- Tufts University School Of Dental Medicine, 2013
- Entity
- Type 1 · individual
8 nearest oral & maxillofacial surgery (d.m.d.) records → All 87 in Massachusetts → Look up another NPI →
Also registered at Massachusetts General Hospital
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Srikanth Adusumalli, MBBS, FRACPStudent in an Organized Health Care Education/Training Program1295467983
- Jonathan Afilalo, MDCMInternal Medicine Physician1619289584
- Kiran Agarwal-Harding, MDOrthopaedic Surgery Physician1003229097
Verify Shawn M. Marsh in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license D-22172Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.2 times the Medicare Part D claims of the average oral & maxillofacial surgery (d.m.d.) in 2024
1,175 Medicare Part D claims for 357 beneficiaries, against an average of 366 among the 1,051 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 147 claims were for opioids.
Most prescribed
- Chlorhexidine Gluconate393 claims
- Ibuprofen245 claims
- Amoxicillin240 claims
- Hydrocodone-Acetaminophen143 claims
- Ibu66 claims
- Clindamycin Hcl44 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: $17.49
1 payment: food and beverage; the largest payer was Zimvie Inc. The 800 providers of this specialty with any payment received $1,463.03 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
- North Pittsburgh Oral Surgery Assoc LtdPittsburgh, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Shawn M. Marsh among 87 oral & maxillofacial surgery (d.m.d.) records in Massachusetts
Shawn M. Marsh, DMD is one of 87 oral & maxillofacial surgery (d.m.d.) records with a practice address in Massachusetts. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 51% of them.
- NPI issued2008 · 51% of these records are older, 45% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileYes · 30% of these records are
- Graduated2013 · median 2005 among the 26 with a school on file
- Record last updated2008 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 204E00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Oral & Maxillofacial Surgery (D.M.D.) providers in Massachusetts
There are 87 oral & maxillofacial surgery (d.m.d.) records in Massachusetts.
All 87 in Massachusetts → Every provider in Boston → Oral & Maxillofacial Surgery (D.M.D.) nationwide →
The 8 oral & maxillofacial surgery (d.m.d.) records with the nearest ZIP codes
- Meredith August, DMD MDBoston, MA 021141780667147
- Carl Bouchard, DMDBoston, MA 021141255597118
- Lisa Campanella, DMDBoston, MA 021141720062284
- Daniel Choi, D.D.S., M.D.Boston, MA 021141881836542
- Barry Dorfman, DMDBoston, MA 021141518949957
- Matthew Jackson, DMDBoston, MA 021141588647911
- Leonard Kaban, DMD MDBoston, MA 021141902897325
- David Keith, DMD BDSBoston, MA 021141912998840
Common questions
What is Shawn M. Marsh, DMD's NPI number?
Shawn M. Marsh, DMD's National Provider Identifier (NPI) is 1699938274, issued on Jul 3, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Shawn M. Marsh, DMD located?
The NPPES record lists a practice address at Massachusetts General Hospital, Boston, MA, 02114. Phone: (617) 726-8222. Providers update this record themselves, so call before visiting.
How can I verify Shawn M. Marsh, DMD's license?
NPPES lists Massachusetts license number D-22172, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Shawn M. Marsh, DMD prescribe under Medicare Part D?
In 2024, Shawn M. Marsh, DMD had 1,175 Medicare Part D claims for 357 beneficiaries; the average among oral & maxillofacial surgery (d.m.d.) prescribers was 366. 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.