William Nibley, M.D.
NPI 1437108974 · Medical Oncology Physician · Murray, UT
Enrolled with Medicare as Practitioner - Medical Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Nibley, M.D. is a Medical Oncology Physician provider in Murray, UT (NPI 1437108974).
Provider details
- NPI number
- 1437108974
- Entity type
- Individual
- Primary specialty
- Medical Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 187952-1205 (UT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
1,711 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) |
|---|---|---|
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 278 | $8 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 261 | $10 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 242 | $15 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 192 | $133 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 154 | $121 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 26 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Letrozole | 114 | 36 |
| Tamoxifen Citrate | 90 | 25 |
| Anastrozole | 42 | 11 |
| Dexamethasone | 40 | 21 |
| Potassium Chloride | 38 | 16 |
| Prochlorperazine Maleate | 37 | 27 |
| Omeprazole | 34 | 11 |
| Ondansetron Hcl | 31 | 23 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$20,698 across 106 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
- 2006-05-10
- Last updated
- 2016-10-10
Frequently asked questions
- What is William Nibley's NPI number?
- William Nibley's National Provider Identifier (NPI) is 1437108974, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Nibley's specialty?
- William Nibley is listed in the NPPES registry with a primary specialty of Medical Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is William Nibley located?
- William Nibley's practice location on file with NPPES is 5131 Cottonwood St, Murray, UT 84107-5701.
- What is William Nibley's phone number?
- The practice phone number listed in the NPPES registry for William Nibley is (801) 263-3416.
- Does William Nibley accept Medicare?
- William Nibley is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Nibley's NPI active?
- Yes — William Nibley's NPI (1437108974) is active in the NPPES registry as of the last update on 2016-10-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.