Mark Clyde Gebhardt, MD
Orthopaedic Surgery Physician · Boston, MA
Mark Clyde Gebhardt, MD is an orthopaedic surgery physician with a practice address in Boston, Massachusetts, and NPI 1689655094, issued on Nov 11, 2005. Check the license (Massachusetts 47866, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Mark Clyde Gebhardt
- Credential
- MD
- Primary taxonomy
- Orthopaedic Surgery Physician 207X00000X
- License number
- 47866 MA
Self-reported in NPPES; status is on the state search - Practice location
- 330 Brookline Ave, Boston, MA 02215
- Phone
- (617) 667-2140
- Enumerated
- Nov 11, 2005
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (617) 667-0227
- Medicaid ID
- 0142379 MA
- Entity
- Type 1 · individual
8 nearest orthopaedic surgery physician records → All 692 in Massachusetts → Look up another NPI →
Also registered at 330 Brookline Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Amtul Aala, MDNephrology Physician1174946347
- Elijah AbassStudent in an Organized Health Care Education/Training Program1306784947
- Omar Abdel-Razek, MDInterventional Cardiology Physician1912780008
- Youssef Abdullah, MD, MBAStudent in an Organized Health Care Education/Training Program1346983442
- Najma Abdullahi, MD, MPHStudent in an Organized Health Care Education/Training Program1669213054
- Elisabeth AbelesStudent in an Organized Health Care Education/Training Program1528659760
Verify Mark Clyde Gebhardt in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 47866Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Mark Clyde Gebhardt among 692 orthopaedic surgery physician records in Massachusetts
Mark Clyde Gebhardt, MD is one of 692 orthopaedic surgery physician records with a practice address in Massachusetts. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 86% newer
- In a Medicare fileNo · 76% of these records are
- In the CMS Doctors and Clinicians fileNo · 64% of these records are
- Record last updated2007 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207X00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Orthopaedic Surgery Physician providers in Massachusetts
There are 692 orthopaedic surgery physician records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 692 in Massachusetts → Every provider in Boston → Orthopaedic Surgery Physician nationwide →
The 8 orthopaedic surgery physician records with the nearest ZIP codes
- Ayesha Abdeen, M.D.Boston, MA 022151891959011
- Megan Anderson, M.D.Boston, MA 022151326140740
- Douglas Ayres, M.D.Boston, MA 022151730127051
- Robert Glen Davis, M.D.Boston, MA 022151265471254
- Martin Dolan, MDBoston, MA 022151326088386
- Tobin Gerhart, MDBoston, MA 022151285684654
- Bryan GrommerschBoston, MA 022151013493782
- John Kwon, MDBoston, MA 022151275729626
Common questions
What is Mark Clyde Gebhardt, MD's NPI number?
Mark Clyde Gebhardt, MD's National Provider Identifier (NPI) is 1689655094, issued on Nov 11, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Mark Clyde Gebhardt, MD located?
The NPPES record lists a practice address at 330 Brookline Ave, Boston, MA, 02215. Phone: (617) 667-2140. Providers update this record themselves, so call before visiting.
How can I verify Mark Clyde Gebhardt, MD's license?
NPPES lists Massachusetts license number 47866, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.