Claire Fischer
NPI 1265199004 · Physician Assistant · Wheaton, IL
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Claire Fischer is a Physician Assistant provider in Wheaton, IL (NPI 1265199004).
Provider details
- NPI number
- 1265199004
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- Yes
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
4 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
156 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 64 | $104 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 38 | $69 |
| Critical Care, First 30-74 Minutes99291 | 21 | $189 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 18 | $152 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 15 | $71 |
Typical Medicare-allowed amounts for these services range $69–$189 (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 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 37 | 12 |
| Apixabanbrand: Eliquis | 36 | — |
| Isosorbide Dinitrate | 27 | — |
| Torsemide | 27 | — |
| Sertraline Hcl | 20 | — |
| Metoprolol Succinate | 13 | — |
| Finasteride | 12 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2021-11-28
- Last updated
- 2022-09-20
- Certified
- 2022-09-20
Frequently asked questions
- What is Claire Fischer's NPI number?
- Claire Fischer's National Provider Identifier (NPI) is 1265199004, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Claire Fischer's specialty?
- Claire Fischer is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Claire Fischer located?
- Claire Fischer's practice location on file with NPPES is 901 E Willow Ave, Wheaton, IL 60187-5622.
- What is Claire Fischer's phone number?
- The practice phone number listed in the NPPES registry for Claire Fischer is (312) 524-0721.
- Does Claire Fischer accept Medicare?
- Claire Fischer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Claire Fischer's NPI active?
- Yes — Claire Fischer's NPI (1265199004) is active in the NPPES registry as of the last update on 2022-09-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.