What is John O'brien's specialty?

John O'brien (NPI 1952392482) is a Medicare-billing provider whose primary specialty is Cardiology in Falls Church, VA.

Where does John O'brien practice?

John O'brien practices in Falls Church, VA, based on the location reported in the CMS Medicare provider datasets for NPI 1952392482.

How much does Medicare pay John O'brien?

John O'brien (NPI 1952392482) received approximately $128K in total Medicare Part B payments, serving 2,006 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1952392482

John O'brienM.D.

PRACTICEPULMMED LLCSee all providers at this practice →

CardiologyFalls Church, VAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

2,798

Unique beneficiaries

—

Total services

3,188

Distinct HCPCS

Medicare payment

$125K

Peer benchmark

Total Medicare services vs. 448 Cardiology providers in VA — above median (cohort median 2,874).

PRESCRIBING · PART D · 2024

Total Rx claims

1,536

Beneficiaries

—

Total drug cost

$405K

Distinct drugs

Brand share

29.9%

Top prescribed drugs

Apixaban135 claims

Metoprolol Succinate133 claims

Losartan Potassium120 claims

Diltiazem Hcl99 claims

Atorvastatin Calcium98 claims

QUALITY · MIPS · 2024

Final MIPS score

83.4

Quality

73.0

Cost

71.5

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.35%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

No data available for this provider in 2024.

REFERRAL NETWORK

Where John O'brien'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). 201 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Director Of Finance-County Of Fairfax Va Ambulance Service Provider · Fairfax, VA	394	664
Quest Diagnostics Incorporated Md Clinical Laboratory · Baltimore, MD	292	740
MEDICAL TRANSPORTATION SERVICES, LLC	139	211
Kathryn Grumbach Diagnostic Radiology · Fairfax, VA	132	205
Ingrid Schneider Diagnostic Radiology · Fairfax, VA	125	231
John Ruff Diagnostic Radiology · Fairfax, VA	92	142
Wei Shen Griggs Diagnostic Radiology · Fairfax, VA	88	180
Marianne Shih Diagnostic Radiology · Fairfax, VA	85	123
TWIBLE, DANA	77	109
INOVA HEALTH CARE SERVICES	77	145
SEARS-ROGAN, PAMELA	71	133
Luke Yao Diagnostic Radiology · Fairfax, VA	69	121

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