What is Marc Greenberger's specialty?

Marc Greenberger (NPI 1831145747) is a Medicare-billing provider whose primary specialty is Pulmonary Disease in Royal Oak, MI.

Where does Marc Greenberger practice?

Marc Greenberger practices in Royal Oak, MI, based on the location reported in the CMS Medicare provider datasets for NPI 1831145747.

How much does Medicare pay Marc Greenberger?

Marc Greenberger (NPI 1831145747) received approximately $145K in total Medicare Part B payments, serving 578 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1831145747

Marc GreenbergerM.D.

PRACTICEOAKLAND MEDICAL SERVICES, P.C.See all providers at this practice →

Pulmonary DiseaseRoyal Oak, MII

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,538

Unique beneficiaries

—

Total services

2,329

Distinct HCPCS

Medicare payment

$143K

Peer benchmark

Total Medicare services vs. 371 Pulmonary Disease providers in MI — top quintile (cohort median 658).

PRESCRIBING · PART D · 2024

Total Rx claims

2,169

Beneficiaries

—

Total drug cost

$1.6M

Distinct drugs

Brand share

62.2%

Top prescribed drugs

Fluticasone/Umeclidin/Vilanter370 claims

Albuterol Sulfate307 claims

Prednisone237 claims

Fluticasone/Vilanterol175 claims

Umeclidinium Brm/Vilanterol Tr127 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$3K

Payment records

164

By payment type

Food and Beverage$3K

Top paying entities

Food and Beverage$3K

REFERRAL NETWORK

Where Marc Greenberger'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). 111 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
NPI 1194733964	197	472
James Stewart Cardiology · Berkley, MI	169	356
Marc Dunn Pulmonary Disease · Royal Oak, MI	111	217
Warren Fields Pulmonary Disease · Royal Oak, MI	91	244
NPI 1407817547	72	126
Robert Levin Internal Medicine · Royal Oak, MI	66	109
Rennard Tucker Diagnostic Radiology · Royal Oak, MI	63	102
Syed Jafri Diagnostic Radiology · Royal Oak, MI	59	108
Bridget Wiater Diagnostic Radiology · Royal Oak, MI	56	79
Michael Tenzer Diagnostic Radiology · Royal Oak, MI	55	81
Stephen Kilanowski Diagnostic Radiology · Royal Oak, MI	54	88
DONOVAN, KENT	52	82

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