Sharon Fey, PA C
NPI 1043265176 · Nephrology Physician · Sioux City, IA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sharon Fey, PA C is a Nephrology Physician provider in Sioux City, IA (NPI 1043265176).
Provider details
- NPI number
- 1043265176
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- PA C
- Sex
- Female
- Sole proprietor
- No
- License
- 001658 (IA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,327 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Dialysis Services, Per Day, Less Than Full Month Service (20 Years Or Older)90970 | 1,250 | $7 |
| Dialysis Services, 2-3 Physician Visits Per Month (20 Years Or Older)90961 | 38 | $230 |
| Dialysis Services, 4 Or More Physician Visits Per Month (20 Years Or Older)90960 | 23 | $278 |
| Dialysis Services, 1 Physician Visit Per Month (20 Years Or Older)90962 | 16 | $158 |
Typical Medicare-allowed amounts for these services range $7–$278 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 143 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Allopurinol | 1,626 | 378 |
| Furosemide | 779 | 235 |
| Calcitriol | 699 | 207 |
| Potassium Chloride | 575 | 159 |
| Spironolactone | 519 | 120 |
| Hydralazine Hcl | 512 | 146 |
| Bumetanide | 441 | 131 |
| Amlodipine Besylate | 400 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$483 across 27 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-24
- Last updated
- 2008-05-29
Frequently asked questions
- What is Sharon Fey's NPI number?
- Sharon Fey's National Provider Identifier (NPI) is 1043265176, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sharon Fey's specialty?
- Sharon Fey is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Sharon Fey located?
- Sharon Fey's practice location on file with NPPES is 700 4th Street, Sioux City, IA 51101.
- What is Sharon Fey's phone number?
- The practice phone number listed in the NPPES registry for Sharon Fey is (712) 255-7746.
- Does Sharon Fey accept Medicare?
- Sharon Fey is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sharon Fey's NPI active?
- Yes — Sharon Fey's NPI (1043265176) is active in the NPPES registry as of the last update on 2008-05-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.