What is Marcia Kollar's specialty?

Marcia Kollar (NPI 1588836241) is a Medicare-billing provider whose primary specialty is Registered Nurse in Pittsburgh, PA.

Where does Marcia Kollar practice?

Marcia Kollar practices in Pittsburgh, PA, based on the location reported in the CMS Medicare provider datasets for NPI 1588836241.

How much does Medicare pay Marcia Kollar?

Medicare Part B utilization, prescribing (Part D), MIPS quality scores, and industry payments for Marcia Kollar (NPI 1588836241) are detailed on this CareTrace profile.

PROVIDER PROFILE · NPI 1588836241

Marcia Kollar

PRACTICEUPMCSee all providers at this practice →

Registered NursePittsburgh, PAI

MEDICARE UTILIZATION · PART B · 2024

No data available for this provider in 2024.

PRESCRIBING · PART D · 2024

Total Rx claims

123

Beneficiaries

—

Total drug cost

$9K

Distinct drugs

Brand share

21.1%

Top prescribed drugs

Warfarin Sodium31 claims

Apixaban26 claims

Mirtazapine19 claims

Levothyroxine Sodium12 claims

Digoxin12 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where Marcia Kollar'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). 9 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Daniel Varon Psychiatry · Pittsburgh, PA	28	54
Gary Reck Optometry · Delmont, PA	25	40
NALLI, ALBERT	20	33
VALLEY MEDICAL FACILITIES INC	19	81
Crystal White Geriatric Psychiatry · Pittsburgh, PA	18	26
Donald Shoenthal Family Practice · Pittsburgh, PA	18	144
PRESBYTERIAN MEDICAL CENTER OF OAKMONT PA INC	18	36
JEWISH HOME AND HOSPITAL FOR THE AGED AT PITTSBURGH	15	59
Barbara Levkoy Internal Medicine · Sewickley, PA	13	99

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