Doctor profile · Federal record

Dr. Eric Fels, D.O.

Nephrology Physician (CMS: Nephrology) · Allentown, PA

  • NPI 1821089590
  • Accepts Medicare
  • 32 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1230 S Cedar Crest Blvd Stes 301, 302, 304
Allentown, PA 181036212
(610) 432-4529
fax (610) 432-2206
Mailing address
1230 S Cedar Crest Blvd Ste 301
Allentown, PA 181036212

Credentials & registration

NPPES · NUCC
NPI registered
November 2005 — 21 yrs on file
Profile last updated
May 31, 2022
Year of graduation
1994 — 32 yrs since
Specialty taxonomy
207RN0300X — NUCC code
State license (1)
Pennsylvania #OS008870L

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1821089590. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,884
Distinct HCPCS
10
Medicare allowed
$160,020
HCPCS Description Services Patients Avg allowed
Q5106 Injection, epoetin alfa-epbx, biosimilar, (retacrit) (for non-esrd use), 1000 units 1,530 27 $8
90970 Dialysis services, per day, less than full month service (20 years or older) 214 13 $9
99214 Established patient office or other outpatient visit, 30-39 minutes 136 79 $101
99152 Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes 117 90 $12
36902 Insertion of needle and/or tube into hemodialysis circuit and balloon dilation of dialysis segment with review by radiologist 115 86 $224
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 113 77 $78
90966 Home dialysis services per month (20 years or older) 104 18 $290
90960 Dialysis services, 4 or more physician visits per month (20 years or older) 94 16 $346
96372 Injection of drug or substance under skin or into muscle 91 29 $13
36215 Insertion of tube into chest or arm artery, each first order branch 64 53 $102

In context: peer comparison

Among 17 peers in Allentown Nephrology Physician, average services per provider: 134. This provider delivers 22× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$78
Transactions
4
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Mozarc Medical US LLC 1 $26.90
Otsuka America Pharmaceutical, INC. 1 $18.64
Fresenius USA Marketing, INC. 1 $17.46
Ardelyx, INC. 1 $15.25

By nature of payment

Food and Beverage
$78

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
500
Patients
123
Total drug cost
$16,406
Drug Type Claims Patients Total cost
Allopurinol Generic 88 25 $1,745
Amlodipine Besylate Generic 63 20 $798
Lisinopril Generic 53 19 $743
Spironolactone Generic 50 15 $523
Hydrochlorothiazide Generic 48 14 $479
Losartan Potassium Generic 45 16 $990
Potassium Citrate ER (Potassium Citrate) Brand 35 0 $9,790
Furosemide Generic 29 0 $250
Calcitriol Generic 27 0 $557
Atorvastatin Calcium Generic 25 0 $250

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Eric Fels's medical specialty?
Dr. Eric Fels practices Nephrology Physician in Allentown, PA.
Where does Dr. Eric Fels practice?
Dr. Eric Fels practices at 1230 S Cedar Crest Blvd Stes 301, 302, 304, Allentown, PA 181036212. Office phone: 6104324529.
What is Dr. Eric Fels's NPI?
Dr. Eric Fels's National Provider Identifier (NPI) is 1821089590, issued by NPPES.
Does Dr. Eric Fels accept Medicare assignment?
Yes. Dr. Eric Fels accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Eric Fels commonly perform?
Top Medicare-reported procedures in 2023: Injection, epoetin alfa-epbx, biosimilar, (retacrit) (for non-esrd use), 1000 units (HCPCS Q5106); Dialysis services (HCPCS 90970); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.