Mark A. Connaughton, M.D.
Diagnostic Radiology Physician · Concord, MA
Mark A. Connaughton, M.D. is a diagnostic radiology physician with a practice address in Concord, Massachusetts, and NPI 1548350481, issued on Oct 13, 2006. Check the license (Massachusetts 54101, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Mark A. Connaughton
- Credential
- M.D.
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License number
- 54101 MA
Self-reported in NPPES; status is on the state search - Practice location
- 133 Old Road TO Nine Acre Corner, Concord, MA 01742
- Phone
- (978) 287-3700
- Enumerated
- Oct 13, 2006
- Record last updated
- Oct 23, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (978) 287-3729
- Medicaid ID
- 3003256 MA
- Medicare enrollment
- Enrolled (PECOS I20050330000101); accepts Medicare assignment
- Medical or professional school
- Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University, 1981
- Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 1,658 in Massachusetts → Look up another NPI →
Also registered at 133 Old Road TO Nine Acre Corner
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Crystal Fontas, DPTPhysical Therapist1356732515
- Christopher Fournier, DPTPhysical Therapist1568853729
Verify Mark A. Connaughton in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 54101Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
76% fewer Medicare Part D claims than the average diagnostic radiology physician in 2024
12 Medicare Part D claims, against an average of 51 among the 2,711 providers of this specialty who prescribed in Part D.
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: $20.48
1 payment: food and beverage; the largest payer was Medtronic, Inc. The 8,048 providers of this specialty with any payment received $2,488.38 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 2 group practices
- Emerson Practice Associates, IncConcord, MA
- North Bridge Imaging Group, LLCConcord, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark A. Connaughton among 1,658 diagnostic radiology physician records in Massachusetts
Mark A. Connaughton, M.D. is one of 1,658 diagnostic radiology physician records with a practice address in Massachusetts. 68% 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 13% of them.
- NPI issued2006 · 13% of these records are older, 57% newer
- In a Medicare fileYes · 68% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated1981 · median 2006 among the 1,125 with a school on file
- Record last updated2012 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Diagnostic Radiology Physician providers in Massachusetts
There are 1,658 diagnostic radiology physician records in Massachusetts.
All 1,658 in Massachusetts → Every provider in Concord → Diagnostic Radiology Physician nationwide →
The 8 diagnostic radiology physician records with the nearest ZIP codes
- Jane Fay, M.D.Concord, MA 017421659461598
- Lisa Intriere, MDConcord, MA 017421245284983
- Margo Moskos, M.D.Concord, MA 017421427095462
- Elizabeth Peters, M.D.Concord, MA 017421396783676
- Jeffrey Rudnick, M.D.Concord, MA 017421538198841
- Corinne Sadoski, M.D.Concord, MA 017421790875631
- Jonathan Arnow, MDMarlborough, MA 017521194752899
- Darren Brennan, M.D.Marlborough, MA 017521710904172
Common questions
What is Mark A. Connaughton, M.D.'s NPI number?
Mark A. Connaughton, M.D.'s National Provider Identifier (NPI) is 1548350481, issued on Oct 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark A. Connaughton, M.D. located?
The NPPES record lists a practice address at 133 Old Road TO Nine Acre Corner, Concord, MA, 01742. Phone: (978) 287-3700. Providers update this record themselves, so call before visiting.
How can I verify Mark A. Connaughton, M.D.'s license?
NPPES lists Massachusetts license number 54101, 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.
How much does Mark A. Connaughton, M.D. prescribe under Medicare Part D?
In 2024, Mark A. Connaughton, M.D. had 12 Medicare Part D claims; the average among diagnostic radiology physician prescribers was 51. 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.