Suzanne M. Mackay, M.D.
Family Medicine Physician · Norwell, MA
Suzanne M. Mackay, M.D. is a family medicine physician with a practice address in Norwell, Massachusetts, and NPI 1407019854, issued on Jul 7, 2008. Check the license (Massachusetts 250239, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Suzanne M. Mackay
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 250239 MA
Self-reported in NPPES; status is on the state search - Practice location
- 143 Longwater Dr, Norwell, MA 02061
- Phone
- (781) 878-5200
- Enumerated
- Jul 7, 2008
- Record last updated
- Dec 21, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (781) 878-6750
- Medicaid ID
- 110094237A MA
- Medicare enrollment
- Enrolled (PECOS I20120419000454); accepts Medicare assignment
- Medical or professional school
- University Of Massachusetts Medical School, 2007
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,265 in Massachusetts → Look up another NPI →
Also registered at 143 Longwater Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Khalil Alleyne, MDFamily Medicine Physician1003092081
- Mia Ames, PA-CPhysician Assistant1407331440
- Jennifer Amon, CPNPPediatric Nurse Practitioner1679557987
- Erin Anderson, PAPhysician Assistant1164838926
- Kimberly Azulay-Williams, FNPFamily Nurse Practitioner1427671601
- Anna Barbosa, MDInternal Medicine Physician1396960977
Verify Suzanne M. 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 250239Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
79% fewer Medicare Part D claims than the average family medicine physician in 2024
749 Medicare Part D claims for 340 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 17 claims were for opioids.
Most prescribed
- Prednisone53 claims
- Levothyroxine Sodium30 claims
- Amoxicillin-Clavulanate Potass29 claims
- Nitrofurantoin Mono-Macro24 claims
- Atorvastatin Calcium23 claims
- Losartan Potassium20 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 practice group's MIPS final score for 2023 (Medicare payment program): 74.8 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- South Shore Medical Center, Inc.Norwell, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Suzanne M. Mackay among 2,265 family medicine physician records in Massachusetts
Suzanne M. Mackay, M.D. is one of 2,265 family medicine physician records with a practice address in Massachusetts. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 53% of them.
- NPI issued2008 · 53% of these records are older, 42% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2007 · median 2006 among the 1,529 with a school on file
- Record last updated2015 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
18 family medicine physician records list a practice address in Norwell
They are 18 of the 981 NPPES records with a practice address in Norwell, and 2,265 family medicine physician records in Massachusetts.
All 2,265 in Massachusetts → Every provider in Norwell → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Khalil Alleyne, MDNorwell, MA 020611003092081
- Kathleen Benning, DONorwell, MA 020611134136435
- Matthew Butka, MDNorwell, MA 020611700836384
- Scott Corkins, MDNorwell, MA 020611578560488
- Alisa Freed, M.D.Norwell, MA 020611083795165
- Khelda Jabbar, MDNorwell, MA 020611124086095
- Ernest John Lentini, D.O.Norwell, MA 020611891753869
- Teri Miner, DONorwell, MA 020611649251406
Common questions
What is Suzanne M. Mackay, M.D.'s NPI number?
Suzanne M. Mackay, M.D.'s National Provider Identifier (NPI) is 1407019854, issued on Jul 7, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Suzanne M. Mackay, M.D. located?
The NPPES record lists a practice address at 143 Longwater Dr, Norwell, MA, 02061. Phone: (781) 878-5200. Providers update this record themselves, so call before visiting.
How can I verify Suzanne M. Mackay, M.D.'s license?
NPPES lists Massachusetts license number 250239, 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 Suzanne M. Mackay, M.D. prescribe under Medicare Part D?
In 2024, Suzanne M. Mackay, M.D. had 749 Medicare Part D claims for 340 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Suzanne M. Mackay, M.D.'s MIPS final score?
The 2023 MIPS final score is 74.8 of 100, reported for the practice group. 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.