Doctor profile · Federal record

Dr. Sharon Fey, PA C

Nephrology Physician (CMS: Physician Assistant) · Sioux City, IA

  • NPI 1043265176
  • Accepts Medicare
  • 21 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
700 4Th Street, Ste 410
Sioux City, IA 51101
(712) 255-7746
fax (712) 255-0829
Mailing address
Po Box 1444
Sioux City, IA 51102

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
May 29, 2008
Year of graduation
2005 — 21 yrs since
Specialty taxonomy
207RN0300X — NUCC code
State license (1)
Iowa #001658

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1043265176. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
609
Distinct HCPCS
2
Medicare allowed
$11,136
HCPCS Description Services Patients Avg allowed
90970 Dialysis services, per day, less than full month service (20 years or older) 580 34 $8
90961 Dialysis services, 2-3 physician visits per month (20 years or older) 29 26 $233

In context: peer comparison

Among 2 peers in Sioux City Nephrology Physician, average services per provider: 1,216. This provider delivers 0.5× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$483
Transactions
27
Manufacturers
11
Payer (manufacturer) Industry Txns Amount
Fresenius USA Marketing, INC. 10 $152.53
AstraZeneca Pharmaceuticals Lp 6 $93.61
Travere Therapeutics, INC. 2 $61.97
Kyowa Kirin, INC. 2 $35.64
Bayer Healthcare Pharmaceuticals INC. 1 $27.93
Ardelyx, INC. 1 $27.57
Aurinia Pharma U.S., INC. 1 $20.57
Mallinckrodt Hospital Products INC. 1 $18.27
Alexion Pharmaceuticals, INC. 1 $16.05
Amgen INC. 1 $14.79
Otsuka America Pharmaceutical, INC. 1 $14.18

By nature of payment

Food and Beverage
$483

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
6,638
Patients
1,530
Total drug cost
$78,714
Drug Type Claims Patients Total cost
Allopurinol Generic 1,443 290 $13,401
Furosemide Generic 539 151 $3,129
Hydralazine Hcl Generic 520 128 $6,109
Potassium Chloride Generic 503 106 $13,125
Calcitriol Generic 480 127 $5,199
Amlodipine Besylate Generic 442 121 $2,922
Spironolactone Generic 432 93 $3,601
Atorvastatin Calcium Generic 377 78 $3,615
Metoprolol Tartrate Generic 327 80 $1,723
Bumetanide Generic 317 94 $12,759

Frequently asked questions

Auto-generated from federal data
What is Dr. Sharon Fey's medical specialty?
Dr. Sharon Fey practices Nephrology Physician in Sioux City, IA.
Where does Dr. Sharon Fey practice?
Dr. Sharon Fey practices at 700 4Th Street, Sioux City, IA 51101. Office phone: 7122557746.
What is Dr. Sharon Fey's NPI?
Dr. Sharon Fey's National Provider Identifier (NPI) is 1043265176, issued by NPPES.
Does Dr. Sharon Fey accept Medicare assignment?
Yes. Dr. Sharon Fey accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sharon Fey commonly perform?
Top Medicare-reported procedures in 2023: Dialysis services (HCPCS 90970); Dialysis services, 2-3 physician visits per month (20 years or older) (HCPCS 90961). Source: CMS Medicare Physician & Other Practitioners file.