Sharon K. Fey, PA C
Nephrology Physician · Sioux City, IA
Sharon K. Fey, PA C is a nephrology physician with a practice address in Sioux City, Iowa, and NPI 1043265176, issued on May 24, 2006. Check the license (Iowa 001658, as entered in NPPES) on the Iowa Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Sharon K. Fey
- Credential
- PA C
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- 001658 IA
Self-reported in NPPES; status is on the state search - Practice location
- 700 4TH Street, Sioux City, IA 51101
- Phone
- (712) 255-7746
- Enumerated
- May 24, 2006
- Record last updated
- May 29, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (712) 255-0829
- Medicare enrollment
- Enrolled (PECOS I20070328000329); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 92 in Iowa → Look up another NPI →
Verify Sharon K. Fey in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIowa Board of Medicine
Search for license 001658Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
9.9 times the Medicare Part D claims of the average nephrology physician in 2024
14,517 Medicare Part D claims for 1,715 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 88 claims were for opioids.
Most prescribed
- Allopurinol1,626 claims
- Furosemide779 claims
- Calcitriol699 claims
- Potassium Chloride575 claims
- Spironolactone519 claims
- Hydralazine Hcl512 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $483.11
27 payments; by number, the most common kind was food and beverage; the largest payer was Fresenius USA Marketing, Inc. The 8,230 providers of this specialty with any payment received $3,091.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Liem Som Oei MD PCSioux City, IA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sharon K. Fey among 92 nephrology physician records in Iowa
Sharon K. Fey, PA C is one of 92 nephrology physician records with a practice address in Iowa. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 16% of them.
- NPI issued2006 · 16% of these records are older, 53% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated2005 · median 2001 among the 67 with a school on file
- Record last updated2008 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nephrology Physician providers in Iowa
There are 92 nephrology physician records in Iowa.
All 92 in Iowa → Every provider in Sioux City → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Min-Hwa Chow, M.D.Sioux City, IA 511011407801053
- Jerold Erlandson, MDSioux City, IA 511011558571497
- Ashar Luqman, M.D.Sioux City, IA 511011275742090
- Kantima Phisitkul, MDSioux City, IA 511041063604726
- Caridad Tan, MDSioux City, IA 511041326094095
- Cristina Pasarin, M.D.Waterloo, IA 507021801838354
- Michael Slavin, DOWaterloo, IA 507021194753806
- Tarek Daoud, MDWaterloo, IA 507011780638171
Common questions
What is Sharon K. Fey, PA C's NPI number?
Sharon K. Fey, PA C's National Provider Identifier (NPI) is 1043265176, issued on May 24, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Sharon K. Fey, PA C located?
The NPPES record lists a practice address at 700 4TH Street, Sioux City, IA, 51101. Phone: (712) 255-7746. Providers update this record themselves, so call before visiting.
How can I verify Sharon K. Fey, PA C's license?
NPPES lists Iowa license number 001658, as entered by the provider. Search the Iowa Board of Medicine at https://dial.iowa.gov/about-dial/boards-and-commissions/medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Sharon K. Fey, PA C prescribe under Medicare Part D?
In 2024, Sharon K. Fey, PA C had 14,517 Medicare Part D claims for 1,715 beneficiaries; the average among nephrology physician prescribers was 1,465. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.