What is John Brennan's specialty?

John Brennan (NPI 1851339071) is a Medicare-billing provider whose primary specialty is Pulmonary Disease in Exeter, NH.

Where does John Brennan practice?

John Brennan practices in Exeter, NH, based on the location reported in the CMS Medicare provider datasets for NPI 1851339071.

How much does Medicare pay John Brennan?

John Brennan (NPI 1851339071) received approximately $116K in total Medicare Part B payments, serving 658 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1851339071

John BrennanMD

PRACTICECORE PHYSICIANS LLCSee all providers at this practice →

Pulmonary DiseaseExeter, NHI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,463

Unique beneficiaries

—

Total services

1,721

Distinct HCPCS

Medicare payment

$110K

Peer benchmark

Total Medicare services vs. 67 Pulmonary Disease providers in NH — top quintile (cohort median 823).

PRESCRIBING · PART D · 2024

Total Rx claims

3,199

Beneficiaries

—

Total drug cost

$1.2M

Distinct drugs

Brand share

65.6%

Top prescribed drugs

Fluticasone/Umeclidin/Vilanter455 claims

Albuterol Sulfate335 claims

Azithromycin334 claims

Montelukast Sodium261 claims

Prednisone255 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$76

Payment records

By payment type

Food and Beverage$76

Top paying entities

Food and Beverage$76

REFERRAL NETWORK

Where John Brennan'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). 35 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
EXETER HOSPITAL INC	311	1,587
Michael Marrero Diagnostic Radiology · El Segundo, CA	103	258
Alexander Raslavicus Diagnostic Radiology · Exeter, NH	92	209
Paul Deranian Pulmonary Disease · Exeter, NH	73	182
Richard Hollister Pulmonary Disease · Exeter, NH	63	158
Gregory Goodkin Cardiology · Exeter, NH	42	91
Ernest Podrasky Cardiology · Exeter, NH	37	80
ROCKINGHAM VISITING NURSE ASSOCIATION AND HOSPICE	34	69
Jessica Sutherland Cardiology · Exeter, NH	31	68
Joseph Bautista Internal Medicine · Exeter, NH	28	92
Michael Wofford Internal Medicine · Exeter, NH	28	102
GLADSTONE, ALAN	28	51

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