PROVIDER PROFILE · NPI 1629128830

Peter JohnstonMD

CardiologyBaltimore, MDI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

998

Unique beneficiaries

—

Total services

1,419

Distinct HCPCS

Medicare payment

$73K

Peer benchmark

Total Medicare services vs. 450 Cardiology providers in MD — below median (cohort median 3,358).

PRESCRIBING · PART D · 2024

Total Rx claims

849

Beneficiaries

—

Total drug cost

$109K

Distinct drugs

Brand share

19.0%

Top prescribed drugs

Atorvastatin Calcium161 claims

Metoprolol Succinate120 claims

Losartan Potassium59 claims

Lisinopril56 claims

Amlodipine Besylate52 claims

QUALITY · MIPS · 2024

Final MIPS score

83.3

Quality

73.9

Cost

70.5

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.35%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$51

Payment records

By payment type

Food and Beverage$51

REFERRAL NETWORK

Where Peter Johnston'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). 78 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Martin Auster Diagnostic Radiology · Baltimore, MD	176	424
Marlene Williams Cardiology · Baltimore, MD	146	368
Chiraag Dharia Diagnostic Radiology · Chicago, IL	109	234
Monica Mukherjee Cardiology · Baltimore, MD	101	244
John Rickard Clinical Cardiac Electrophysiology · Baltimore, MD	92	221
Hazem Hawasli Diagnostic Radiology · Baltimore, MD	89	173
GOTTLIEB, SHELDON	79	217
NPI 1194783688	76	170
Hardin Pantle Emergency Medicine · Baltimore, MD	67	79
David Spragg Cardiology · Baltimore, MD	64	133
Jeffrey Trost Cardiology · Baltimore, MD	63	132
OUYANG, PAMELA	58	147

Refers patients to

Outbound — where patients go next

No outbound pairs above the suppression threshold.

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.

CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore

OIG/SAM exclusion screening, sanctions history