Michael T. Johnstone, M.D.
Cardiovascular Disease Physician · Brighton, MA
Michael T. Johnstone, M.D. is a cardiovascular disease physician with a practice address in Brighton, Massachusetts, and NPI 1235164336, issued on Jul 11, 2006. Check the license (Massachusetts 60598, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Michael T. Johnstone
- Credential
- M.D.
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License number
- 60598 MA
Self-reported in NPPES; status is on the state search - Practice location
- 736 Cambridge St, 4TH FL, Brighton, MA 02135
- Phone
- (617) 562-7690
- Enumerated
- Jul 11, 2006
- Record last updated
- Apr 30, 2026
- Fax
- (617) 562-7699
- Medicaid IDs
- 110048563A MA
3154003 NH - Medicare enrollment
- Enrolled (PECOS I20060322000546); accepts Medicare assignment
- Medical or professional school
- M H Kornberg School Of Dentistry, Temple University, 1982
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 1,080 in Massachusetts → Look up another NPI →
Also registered at 736 Cambridge St, 4TH FL
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Tariq Bhat, MDInterventional Cardiology Physician1891930780
- Joseph Carrozza, M.D.Cardiovascular Disease Physician1639104714
- Mohamed Khan, MDCardiovascular Disease Physician1588740054
- Shaw Natan, M.D.Clinical Cardiac Electrophysiology Physician1669688784
Verify Michael T. Johnstone in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 60598Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
32% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024
2,090 Medicare Part D claims for 200 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium315 claims
- Metoprolol Succinate252 claims
- Eliquis171 claims
- Lisinopril160 claims
- Nifedipine Er104 claims
- Entresto96 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.
Bills Medicare through 2 group practices
- Bmc Affiliated Physicians, Inc.Brighton, MA
- Steward St Elizabeths Medical Center OF Boston IncBrighton, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael T. Johnstone among 1,080 cardiovascular disease physician records in Massachusetts
Michael T. Johnstone, M.D. is one of 1,080 cardiovascular disease physician records with a practice address in Massachusetts. 75% 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 17% of them.
- NPI issued2006 · 17% of these records are older, 45% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated1982 · median 2001 among the 698 with a school on file
- Record last updated2026 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Cardiovascular Disease Physician providers in Massachusetts
There are 1,080 cardiovascular disease physician records in Massachusetts.
All 1,080 in Massachusetts → Every provider in Brighton → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- Owayed Al ShammeriBoston, MA 021351306179684
- Javier Balda Canizares, MDBrighton, MA 021351811483621
- Mahendra Carpen, MDBrighton, MA 021351003197336
- Joseph Carrozza, M.D.Brighton, MA 021351639104714
- Sunny Dengle, MDBoston, MA 021351235873548
- Mohamed Khan, MDBrighton, MA 021351588740054
- Uyen Lam, M.D.Brighton, MA 021351962769034
- Douglas Losordo, MDBrighton, MA 021351508851916
Common questions
What is Michael T. Johnstone, M.D.'s NPI number?
Michael T. Johnstone, M.D.'s National Provider Identifier (NPI) is 1235164336, issued on Jul 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Michael T. Johnstone, M.D. located?
The NPPES record lists a practice address at 736 Cambridge St, 4TH FL, Brighton, MA, 02135. Phone: (617) 562-7690. Providers update this record themselves, so call before visiting.
How can I verify Michael T. Johnstone, M.D.'s license?
NPPES lists Massachusetts license number 60598, 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 Michael T. Johnstone, M.D. prescribe under Medicare Part D?
In 2024, Michael T. Johnstone, M.D. had 2,090 Medicare Part D claims for 200 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. 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.