What is John Oppenheimer's specialty?

John Oppenheimer (NPI 1639170871) is a Medicare-billing provider whose primary specialty is Allergy/ Immunology in Cedar Knolls, NJ.

Where does John Oppenheimer practice?

John Oppenheimer practices in Cedar Knolls, NJ, based on the location reported in the CMS Medicare provider datasets for NPI 1639170871.

How much does Medicare pay John Oppenheimer?

John Oppenheimer (NPI 1639170871) received approximately $343K in total Medicare Part B payments, serving 308 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1639170871

John OppenheimerMD

Allergy/ ImmunologyCedar Knolls, NJI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

567

Unique beneficiaries

—

Total services

5,844

Distinct HCPCS

Medicare payment

$262K

Peer benchmark

Total Medicare services vs. 132 Allergy/ Immunology providers in NJ — top quintile (cohort median 3,350).

PRESCRIBING · PART D · 2024

Total Rx claims

961

Beneficiaries

—

Total drug cost

$397K

Distinct drugs

Brand share

47.2%

Top prescribed drugs

Montelukast Sodium148 claims

Fluticasone Propionate140 claims

Albuterol Sulfate112 claims

Fluticasone/Umeclidin/Vilanter104 claims

Fluticasone/Vilanterol61 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$120K

Payment records

133

By payment type

Consulting Fee$87K

Travel and Lodging$18K

Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$13K

Food and Beverage$2K

Top paying entities

Consulting Fee$87K

Travel and Lodging$18K

Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$13K

Food and Beverage$2K

REFERRAL NETWORK

Where John Oppenheimer'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). 2 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
AHS HOSPITAL CORP.	84	412
Laboratory Corporation Of America Holdings Clinical Laboratory · Raritan, NJ	26	85

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