Aaron Fischer
NPI 1881259299 · Hospitalist Physician · Sugar Land, TX
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Aaron Fischer is a Hospitalist Physician provider in Sugar Land, TX (NPI 1881259299).
Provider details
- NPI number
- 1881259299
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- Yes
- License
- T5558 (TX)
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
7 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
918 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 634 | $117 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 212 | $113 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 72 | $172 |
Typical Medicare-allowed amounts for these services range $113–$172 (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 · 19 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Cefdinir | 55 | 55 |
| Pantoprazole Sodium | 47 | 47 |
| Furosemide | 26 | 26 |
| Atorvastatin Calcium | 23 | 21 |
| Tramadol Hcl | 23 | 22 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 20 | 20 |
| Levofloxacin | 19 | 19 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$148 across 2 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
Additional practice locations (1)
- 1441 N Beckley AveDallas, TX 75203-1201Phone: (214) 947-6700Fax: (214) 947-6701
Registry dates
- Enumerated
- 2019-05-01
- Last updated
- 2024-07-31
- Certified
- 2024-07-31
Frequently asked questions
- What is Aaron Fischer's NPI number?
- Aaron Fischer's National Provider Identifier (NPI) is 1881259299, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Aaron Fischer's specialty?
- Aaron Fischer is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Aaron Fischer located?
- Aaron Fischer's practice location on file with NPPES is 16811 Southwest Fwy Fl 3, Sugar Land, TX 77479-4728.
- What is Aaron Fischer's phone number?
- The practice phone number listed in the NPPES registry for Aaron Fischer is (281) 276-0836.
- Does Aaron Fischer accept Medicare?
- Aaron Fischer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Aaron Fischer's NPI active?
- Yes — Aaron Fischer's NPI (1881259299) is active in the NPPES registry as of the last update on 2024-07-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.