Margaret Kaitlin Sheehy, M.D.; MSC
Emergency Medicine Physician · Boston, MA
Margaret Kaitlin Sheehy, M.D.; MSC is an emergency medicine physician with a practice address in Boston, Massachusetts, and NPI 1316280316, issued on Mar 28, 2013. Check the license (Massachusetts 266600, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Margaret Kaitlin Sheehy
- Credential
- M.D.; MSC
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- 266600 MA
30892 NE
125064225 IL
Self-reported in NPPES; status is on the state search - Practice location
- 55 Fruit St, Boston, MA 02114
- Phone
- (617) 726-4000
- Enumerated
- Mar 28, 2013
- Record last updated
- Apr 22, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20180905003769); accepts Medicare assignment
- Medical or professional school
- University Of Nebraska College Of Medicine, 2013
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,829 in Massachusetts → Look up another NPI →
Also registered at 55 Fruit St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Affan Aamir, MD, PHARMD, RPHStudent in an Organized Health Care Education/Training Program1821890377
- Matthew AbadirAnesthesiology Physician1699120550
- Taimur AbbasiInternal Medicine Physician1841673522
- Megan Abbott, MDAnesthesiology Physician1730839333
- Moustafa AbdallaStudent in an Organized Health Care Education/Training Program1952046062
- Shadi Abdar Esfahani, MD, MPHDiagnostic Radiology Physician1497137590
Verify Margaret Kaitlin Sheehy in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 266600Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
25% fewer Medicare Part D claims than the average emergency medicine physician in 2024
169 Medicare Part D claims for 77 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
Most prescribed
- Ibuprofen29 claims
- Prednisone18 claims
- Albuterol Sulfate Hfa15 claims
- Cephalexin13 claims
- Amoxicillin-Clavulanate Potass11 claims
- Cyclobenzaprine Hcl11 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.
The MIPS final score for 2023 (Medicare payment program): 98.3 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Nebraska Orthopaedic Hospital LLCOmaha, NE
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Margaret Kaitlin Sheehy among 1,829 emergency medicine physician records in Massachusetts
Margaret Kaitlin Sheehy, M.D.; MSC 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 2013, is newer than 65% of them.
- NPI issued2013 · 65% of these records are older, 33% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2013 · median 2011 among the 1,200 with a school on file
- Record last updated2021 · 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).
543 emergency medicine physician records list a practice address in Boston
They are 543 of the 41,865 NPPES records with a practice address in Boston, and 1,829 emergency medicine physician records in Massachusetts.
All 1,829 in Massachusetts → Every provider in Boston → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Daniel Corboy, MDBoston, MA 021141639153471
- Henry Epino, MDBoston, MA 021141790767911
- Joshua Goldstein, MD, PHDBoston, MA 021141114917341
- Christopher Kabrhel, MDBoston, MA 021141164404596
- Shan Liu, MDBoston, MA 021141538140058
- Keith Marill, MDBoston, MA 021141073503371
- Murray McLachlan, MDBoston, MA 021141144204975
- Emily Miller, MDBoston, MA 021141568452282
Common questions
What is Margaret Kaitlin Sheehy, M.D.; MSC's NPI number?
Margaret Kaitlin Sheehy, M.D.; MSC's National Provider Identifier (NPI) is 1316280316, issued on Mar 28, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Margaret Kaitlin Sheehy, M.D.; MSC located?
The NPPES record lists a practice address at 55 Fruit St, Boston, MA, 02114. Phone: (617) 726-4000. Providers update this record themselves, so call before visiting.
How can I verify Margaret Kaitlin Sheehy, M.D.; MSC's license?
NPPES lists Massachusetts license number 266600, 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 Margaret Kaitlin Sheehy, M.D.; MSC prescribe under Medicare Part D?
In 2024, Margaret Kaitlin Sheehy, M.D.; MSC had 169 Medicare Part D claims for 77 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Margaret Kaitlin Sheehy, M.D.; MSC's MIPS final score?
The 2023 MIPS final score is 98.3 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.