William Oligmueller, MD
NPI 1134107865 · Family Medicine Physician · Greeley, CO
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Oligmueller, MD is a Family Medicine Physician provider in Greeley, CO (NPI 1134107865).
Provider details
- NPI number
- 1134107865
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 30046 (CO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
957 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 309 | $89 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 284 | $72 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 148 | $52 |
| Admn Sarscov2 Vacc 1 Dose90480 | 68 | $43 |
| Administration of Influenza Virus VaccineG0008 | 62 | $33 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 25 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 97 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Lisinopril | 453 | 129 |
| Atorvastatin Calcium | 434 | 130 |
| Simvastatin | 295 | 82 |
| Metformin Hcl | 286 | 80 |
| Losartan Potassium | 261 | 76 |
| Tamsulosin Hcl | 237 | 71 |
| Levothyroxine Sodium | 227 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-01-03
- Last updated
- 2013-07-02
Frequently asked questions
- What is William Oligmueller's NPI number?
- William Oligmueller's National Provider Identifier (NPI) is 1134107865, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Oligmueller's specialty?
- William Oligmueller is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Oligmueller located?
- William Oligmueller's practice location on file with NPPES is 5881 W 16th St, Greeley, CO 80634-2910.
- What is William Oligmueller's phone number?
- The practice phone number listed in the NPPES registry for William Oligmueller is (970) 313-2700.
- Does William Oligmueller accept Medicare?
- William Oligmueller is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Oligmueller's NPI active?
- Yes — William Oligmueller's NPI (1134107865) is active in the NPPES registry as of the last update on 2013-07-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.