Aaron Leis, M.D.
NPI 1255394862 · Anesthesiology Physician · Indianapolis, IN
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Aaron Leis, M.D. is a Anesthesiology Physician provider in Indianapolis, IN (NPI 1255394862).
Provider details
- NPI number
- 1255394862
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 01058434A (IN)
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
20 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
330 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) |
|---|---|---|
| Anesthesia for Lens Surgery00142 | 128 | $53 |
| Anesthesia for Procedure on Nerves, Muscles, Tendons, and Tissue of Forearm, Wrist, and Hand01810 | 57 | $54 |
| Injection of Anesthetic Agent And/Or Steroid Into Arm Nerve Bundle (brachial Plexus)64415 | 47 | $65 |
| Anesthesia for Other Procedure on Top of Arm Bone and Shoulder Joint01630 | 28 | $107 |
| Anesthesia for Other Procedure on Forearm, Wrist, Or Hand Bones01830 | 28 | $82 |
| Anesthesia for Other Procedure on Skin of Arms, Legs, and Front Body00400 | 22 | $63 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$169 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
Registry dates
- Enumerated
- 2006-04-07
- Last updated
- 2010-03-15
Frequently asked questions
- What is Aaron Leis's NPI number?
- Aaron Leis's National Provider Identifier (NPI) is 1255394862, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Aaron Leis's specialty?
- Aaron Leis is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Aaron Leis located?
- Aaron Leis's practice location on file with NPPES is 6032 Tybalt Dr, Indianapolis, IN 46254-5162.
- What is Aaron Leis's phone number?
- The practice phone number listed in the NPPES registry for Aaron Leis is (317) 299-2253.
- Does Aaron Leis accept Medicare?
- Aaron Leis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Aaron Leis's NPI active?
- Yes — Aaron Leis's NPI (1255394862) is active in the NPPES registry as of the last update on 2010-03-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.