Fraser Colin Mackay, M.D.
Emergency Medicine Physician · Burlington, MA
Fraser Colin Mackay, M.D. is an emergency medicine physician with a practice address in Burlington, Massachusetts, and NPI 1629330410, issued on Jun 8, 2012. Check the license (Massachusetts 270652, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Fraser Colin Mackay
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 270652 MA
Self-reported in NPPES; status is on the state search - Practice location
- Lahey Hospital & Medical Center 41 Mall RD, Burlington, MA 01805
- Phone
- (781) 744-8100
- Enumerated
- Jun 8, 2012
- Record last updated
- Jul 21, 2022
- Fax
- (781) 744-5213
- Medicare enrollment
- Enrolled (PECOS I20170705002330); accepts Medicare assignment
- Medical or professional school
- University Of Maryland School Of Medicine, 2012
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,829 in Massachusetts → Look up another NPI →
Also registered at Lahey Hospital & Medical Center 41 Mall RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Heather Jay, NPAcute Care Nurse Practitioner1831448505
- Michelle Pisa, DOStudent in an Organized Health Care Education/Training Program1578192985
Verify Fraser Colin Mackay in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 270652Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average emergency medicine physician in 2024
27 Medicare Part D claims for 24 beneficiaries, against an average of 226 among the 54,106 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.
The MIPS final score for 2023 (Medicare payment program): 91.4 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
- Lahey Clinic IncBurlington, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Fraser Colin Mackay among 1,829 emergency medicine physician records in Massachusetts
Fraser Colin Mackay, M.D. 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 2012, is newer than 62% of them.
- NPI issued2012 · 62% of these records are older, 35% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2012 · median 2011 among the 1,200 with a school on file
- Record last updated2022 · 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).
48 emergency medicine physician records list a practice address in Burlington
They are 48 of the 2,620 NPPES records with a practice address in Burlington, and 1,829 emergency medicine physician records in Massachusetts.
All 1,829 in Massachusetts → Every provider in Burlington → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Bernard Bettencourt, D.O.Burlington, MA 018051790743532
- Mark Bracken, MDBurlington, MA 018051457325532
- Thomas Brand, M.D.Burlington, MA 018051013008143
- Paula Brathwaite, M.D.Burlington, MA 018051558473223
- Benjamin Chin, DOBurlington, MA 018051922006667
- Christopher Degnen, M.D.Burlington, MA 018051811088974
- John Foley, M.D.Burlington, MA 018051821189903
- Soumya Ganapathy, MDBurlington, MA 018051093811648
Common questions
What is Fraser Colin Mackay, M.D.'s NPI number?
Fraser Colin Mackay, M.D.'s National Provider Identifier (NPI) is 1629330410, issued on Jun 8, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Fraser Colin Mackay, M.D. located?
The NPPES record lists a practice address at Lahey Hospital & Medical Center 41 Mall RD, Burlington, MA, 01805. Phone: (781) 744-8100. Providers update this record themselves, so call before visiting.
How can I verify Fraser Colin Mackay, M.D.'s license?
NPPES lists Massachusetts license number 270652, 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 Fraser Colin Mackay, M.D. prescribe under Medicare Part D?
In 2024, Fraser Colin Mackay, M.D. had 27 Medicare Part D claims for 24 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Fraser Colin Mackay, M.D.'s MIPS final score?
The 2023 MIPS final score is 91.4 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.