Michelle Susan McMahon-Downer, MD
Emergency Medicine Physician · Framingham, MA
Michelle Susan McMahon-Downer, MD is an emergency medicine physician with a practice address in Framingham, Massachusetts, and NPI 1720113632, issued on Feb 22, 2007. Check the license (Massachusetts 231988, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Michelle Susan McMahon-Downer
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- 231988 MA
12264 RI
Self-reported in NPPES; status is on the state search - Practice location
- 115 Lincoln St, Framingham, MA 01702
- Phone
- (508) 383-1104
- Enumerated
- Feb 22, 2007
- Record last updated
- Aug 6, 2026
- Fax
- (508) 383-1138
- Medicare enrollment
- Enrolled (PECOS I20070807000798); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,829 in Massachusetts → Look up another NPI →
Also registered at 115 Lincoln St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Michelle Susan McMahon-Downer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 231988Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
38% fewer Medicare Part D claims than the average emergency medicine physician in 2024
139 Medicare Part D claims for 102 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 14 claims were for opioids.
Most prescribed
- Ondansetron Odt27 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: $24.07
1 payment: food and beverage; the largest payer was Hologic Sales and Service, LLC. The 12,335 providers of this specialty with any payment received $953.79 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
- Coastal Medical AssociatesWeymouth, MA
- Emergency Physician Associates OF Massachusetts PCFramingham, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michelle Susan McMahon-Downer among 1,829 emergency medicine physician records in Massachusetts
Michelle Susan McMahon-Downer, MD is one of 1,829 emergency medicine physician records with a practice address in Massachusetts. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 41% of them.
- NPI issued2007 · 41% of these records are older, 51% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2003 · median 2011 among the 1,200 with a school on file
- Record last updated2026 · 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 207P00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in Massachusetts
There are 1,829 emergency medicine physician records in Massachusetts.
All 1,829 in Massachusetts → Every provider in Framingham → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Suneer Chander, M.D.Framingham, MA 017021932157021
- Michael Chung, M.D.Framingham, MA 017021538107859
- Laura Connolly, MDFramingham, MA 017021649349796
- Colin Devonshire, M.D.Framingham, MA 017021245220623
- Emily Groom, M.D.Framingham, MA 017021255483848
- Peter Hellberg, M.D.Framingham, MA 017021083643894
- Jill Jacovitz, M.D.Framingham, MA 017021073673018
- Marta Kuzmiak, M.D.Framingham, MA 017021194731901
Common questions
What is Michelle Susan McMahon-Downer, MD's NPI number?
Michelle Susan McMahon-Downer, MD's National Provider Identifier (NPI) is 1720113632, issued on Feb 22, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Michelle Susan McMahon-Downer, MD located?
The NPPES record lists a practice address at 115 Lincoln St, Framingham, MA, 01702. Phone: (508) 383-1104. Providers update this record themselves, so call before visiting.
How can I verify Michelle Susan McMahon-Downer, MD's license?
NPPES lists Massachusetts license number 231988, 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 Michelle Susan McMahon-Downer, MD prescribe under Medicare Part D?
In 2024, Michelle Susan McMahon-Downer, MD had 139 Medicare Part D claims for 102 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.