What is Peter Johnston's specialty?

Peter Johnston (NPI 1629128830) is a Medicare-billing provider whose primary specialty is Cardiology in Baltimore, MD.

Where does Peter Johnston practice?

Peter Johnston practices in Baltimore, MD, based on the location reported in the CMS Medicare provider datasets for NPI 1629128830.

How much does Medicare pay Peter Johnston?

Peter Johnston (NPI 1629128830) received approximately $96K in total Medicare Part B payments, serving 899 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

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

Top paying entities

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

Healthparse Signals

Monitor this provider for changes — dated NPI change events