Aaron Maxwell, MD
NPI 1437224912 · Internal Medicine Physician · Austin, TX
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Aaron Maxwell, MD is a Internal Medicine Physician provider in Austin, TX (NPI 1437224912).
Provider details
- NPI number
- 1437224912
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- L9804 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 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
4,371 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 486 | $125 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 437 | $9 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 372 | $10 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 322 | $8 |
| Blood Test, Lipids (cholesterol and Triglycerides)80061 | 305 | $13 |
| 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'S |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 85 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 575 | 163 |
| Amlodipine Besylate | 382 | 95 |
| Levothyroxine Sodium | 350 | 85 |
| Lisinopril | 226 | 60 |
| Rosuvastatin Calcium | 214 | 65 |
| Escitalopram Oxalate | 189 | 52 |
| Trazodone Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$58 across 3 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
- 2006-11-21
- Last updated
- 2022-06-09
- Certified
- 2022-06-09
Frequently asked questions
- What is Aaron Maxwell's NPI number?
- Aaron Maxwell's National Provider Identifier (NPI) is 1437224912, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Aaron Maxwell's specialty?
- Aaron Maxwell is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Aaron Maxwell located?
- Aaron Maxwell's practice location on file with NPPES is 1004 W 32nd St Ste 400, Austin, TX 78705-1915.
- What is Aaron Maxwell's phone number?
- The practice phone number listed in the NPPES registry for Aaron Maxwell is (512) 454-5171.
- Does Aaron Maxwell accept Medicare?
- Aaron Maxwell is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Aaron Maxwell's NPI active?
- Yes — Aaron Maxwell's NPI (1437224912) is active in the NPPES registry as of the last update on 2022-06-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.