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PROVIDER PROFILE · NPI 1235164336

Michael JohnstoneM.D.

Internal MedicineBrighton, MAI
CROSS-REFERENCE

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ProviderScore
OIG/SAM exclusion screening, sanctions history
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PRESCRIBING · PART D · 2024
Total Rx claims
1,940
Beneficiaries
—
Total drug cost
$452K
Distinct drugs
31
Brand share
31.0%
Top prescribed drugs
Atorvastatin Calcium315 claims
Metoprolol Succinate252 claims
Apixaban171 claims
Lisinopril160 claims
Nifedipine104 claims
QUALITY · MIPS · 2024
No data available for this provider in 2024.
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.
FACILITY AFFILIATIONS

Hospital & Facility Affiliations (5)

CCN 220010
Hospital
CCN 220031
Hospital
CCN 220036
Hospital
CCN 220111
Hospital
CCN 220162
Hospital
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
1,299
Unique beneficiaries
—
Total services
1,681
Distinct HCPCS
22
Medicare payment
$72K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 3,978 Internal Medicine providers in MA — top quintile (cohort median 564).
REFERRAL NETWORK

Where Michael Johnstone's patients come from & go

Directional shared-patient flow from Medicare claims — who sends patients to this provider (inbound) and where this provider's patients go next (outbound). 101 inbound referrers · 202 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
Mikhail Mayskiy
Cardiology · Brighton, MA
3661,538
Quest Diagnostics Massachusetts Llc
Clinical Laboratory · Marlborough, MA
256668
Lana Tsao
Adult Congenital Heart Disease · Brighton, MA
2021,260
Ashley Davidoff
Diagnostic Radiology · Boston, MA
182524
Christine Segal
Diagnostic Radiology · Boston, MA
178533
Jong Liu
Diagnostic Radiology · Hammond, IN
160531
Scott Sequeira
Interventional Radiology · Roslyn, NY
146419
Boston Public Health Commission
Ambulance Service Provider · Boston, MA
113247
Harry Dinerman
Internal Medicine · Brighton, MA
102250
Matthew Rhee
Emergency Medicine · Chicago, IL
78191
STEWARD HOLY FAMILY HOSPITAL, INC.78229
Claudia Garcia
Internal Medicine · Brighton, MA
74141
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
STEWARD ST. ELIZABETH'S MEDICAL CENTER OF BOSTON, INC.1,0113,537
Jong Liu
Diagnostic Radiology · Hammond, IN
250737
Lana Tsao
Adult Congenital Heart Disease · Brighton, MA
2411,510
Mikhail Mayskiy
Cardiology · Brighton, MA
2391,067
Hemlata Phatnani
Diagnostic Radiology · Framingham, MA
2371,019
David Lee
Diagnostic Radiology · Boston, MA
225791
Rebecca Schwartz
Diagnostic Radiology · Boston, MA
206647
Quest Diagnostics Massachusetts Llc
Clinical Laboratory · Marlborough, MA
205532
Scott Sequeira
Interventional Radiology · Roslyn, NY
201664
Lawrence Garcia
Interventional Cardiology · Brighton, MA
178633
Ashley Davidoff
Diagnostic Radiology · Boston, MA
165501
NPI 1730175639165937
Source: CMS Physician Shared Patient Patterns (30-day window, Medicare FFS). Direction = a beneficiary seen by the first provider, then the second, within 30 days; a proxy for referral, not a documented referral. Pairs with fewer than 11 shared beneficiaries are suppressed.