What is Erik Zeger's specialty?

Erik Zeger (NPI 1639188659) is a Medicare-billing provider whose primary specialty is Medical Oncology in Wynnewood, PA.

Where does Erik Zeger practice?

Erik Zeger practices in Wynnewood, PA, based on the location reported in the CMS Medicare provider datasets for NPI 1639188659.

How much does Medicare pay Erik Zeger?

Erik Zeger (NPI 1639188659) received approximately $1.9M in total Medicare Part B payments, serving 422 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1639188659

Erik ZegerMD

Medical OncologyWynnewood, PAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,359

Unique beneficiaries

—

Total services

90,984

Distinct HCPCS

Medicare payment

$970K

Peer benchmark

Total Medicare services vs. 199 Medical Oncology providers in PA — top quintile (cohort median 620).

PRESCRIBING · PART D · 2024

Total Rx claims

564

Beneficiaries

—

Total drug cost

$1.7M

Distinct drugs

Brand share

29.6%

Top prescribed drugs

Hydroxyurea66 claims

Apixaban62 claims

Ondansetron Hcl55 claims

Dexamethasone43 claims

Prochlorperazine Maleate41 claims

QUALITY · MIPS · 2024

Final MIPS score

75.0

Quality

0.0

Cost

0.0

Improvement activities

0.0

Promoting interop.

0.0

Payment adjustment

0.00%

Subgroup

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$2K

Payment records

By payment type

Food and Beverage$2K

Education$78

Top paying entities

Food and Beverage$2K

Education$78

REFERRAL NETWORK

Where Erik Zeger'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). 28 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
MAIN LINE HOSPITALS, INC.	240	5,508
Quest Diagnostics Clinical Laboratories Inc Clinical Laboratory · Norristown, PA	38	202
Zonera Ali Hematology-Oncology · Wynnewood, PA	36	351
Hema Thaker Diagnostic Radiology · Bryn Mawr, PA	33	140
Alicia Picard Diagnostic Radiology · Wynnewood, PA	30	123
Peter Kowey Clinical Cardiac Electrophysiology · Wynnewood, PA	26	132
MAIN LINE HEALTH HOMECARE AND HOSPICE	25	109
Ronit Devon Diagnostic Radiology · Paoli, PA	24	62
Constance Sutilla Diagnostic Radiology · Paoli, PA	24	72
Albert Denittis Radiation Oncology · Wynnewood, PA	23	1,742
John Marks Colorectal Surgery (Proctology) · Wynnewood, PA	21	204
Joseph Bonn Diagnostic Radiology · Paoli, PA	17	59

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