Oscar Aguirre, PA
NPI 1821125493 · Medical Physician Assistant · Douglas, WY
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Oscar Aguirre, PA is a Medical Physician Assistant provider in Douglas, WY (NPI 1821125493).
Provider details
- NPI number
- 1821125493
- Entity type
- Individual
- Primary specialty
- Medical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA
- Sex
- Male
- Sole proprietor
- No
- License
- 910 (CO)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 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
232 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) |
|---|---|---|
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 120 | $91 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 70 | $74 |
| Detection Test By Immunoassay Technique for Severe Acute Respiratory Syndrome Coronavirus and Influenza87428 | 26 | $67 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 16 | $137 |
Typical Medicare-allowed amounts for these services range $67–$137 (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 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 45 | 45 |
| Azithromycin | 31 | 31 |
| Cefdinir | 30 | 29 |
| Nitrofurantoin Monohyd/M-Crystbrand: Nitrofurantoin Mono-Macro | 30 | 30 |
| Prednisone | 28 | 28 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 19 | 17 |
| Cephalexin | 18 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-02-28
- Last updated
- 2016-12-29
Frequently asked questions
- What is Oscar Aguirre's NPI number?
- Oscar Aguirre's National Provider Identifier (NPI) is 1821125493, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Oscar Aguirre's specialty?
- Oscar Aguirre is listed in the NPPES registry with a primary specialty of Medical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Oscar Aguirre located?
- Oscar Aguirre's practice location on file with NPPES is 111 S 5th St, Douglas, WY 82633-2434.
- What is Oscar Aguirre's phone number?
- The practice phone number listed in the NPPES registry for Oscar Aguirre is (307) 358-7300.
- Does Oscar Aguirre accept Medicare?
- Oscar Aguirre is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Oscar Aguirre's NPI active?
- Yes — Oscar Aguirre's NPI (1821125493) is active in the NPPES registry as of the last update on 2016-12-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.