What is Eric Fels's specialty?

Eric Fels (NPI 1821089590) is a Medicare-billing provider whose primary specialty is Nephrology in Allentown, PA.

Where does Eric Fels practice?

Eric Fels practices in Allentown, PA, based on the location reported in the CMS Medicare provider datasets for NPI 1821089590.

How much does Medicare pay Eric Fels?

Eric Fels (NPI 1821089590) received approximately $209K in total Medicare Part B payments, serving 627 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1821089590

Eric FelsD.O.

NephrologyAllentown, PAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,166

Unique beneficiaries

—

Total services

2,521

Distinct HCPCS

Medicare payment

$167K

Peer benchmark

Total Medicare services vs. 452 Nephrology providers in PA — top quintile (cohort median 1,017).

PRESCRIBING · PART D · 2024

Total Rx claims

394

Beneficiaries

—

Total drug cost

$9K

Distinct drugs

Brand share

7.1%

Top prescribed drugs

Amlodipine Besylate58 claims

Allopurinol57 claims

Losartan Potassium55 claims

Lisinopril46 claims

Spironolactone43 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 Eric Fels'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). 98 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
LEHIGH VALLEY HOSPITAL	273	678
Spectra East, Inc. Clinical Laboratory · Rockleigh, NJ	132	516
Shawn Hazlett Nephrology · Allentown, PA	90	225
Ravindra Bollu Nephrology · Allentown, PA	71	182
Benjamin Wilcox Nephrology · Allentown, PA	66	153
Ramprasad Gadi Internal Medicine · West Chester, PA	59	131
Kathryn Ussai Nephrology · Allentown, PA	59	175
Vikram Verma Nephrology · Allentown, PA	58	110
Sharon Maynard Nephrology · Allentown, PA	58	137
GOLDNER, DAVID	58	104
Gregory Altemose Clinical Cardiac Electrophysiology · Miramar Beach, FL	54	111
James Newcomb Interventional Radiology · Allentown, PA	54	94

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