Aloysius Humbert, MD
NPI 1821108556 · Emergency Medicine Physician · Indianapolis, IN
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Aloysius Humbert, MD is a Emergency Medicine Physician provider in Indianapolis, IN (NPI 1821108556).
Provider details
- NPI number
- 1821108556
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 01052587A (IN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
148 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) |
|---|---|---|
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 74 | $111 |
| Emergency Department Visit With Low Level of Medical Decision Making99283 | 37 | $65 |
| Emergency Department Visit With High Level of Medical Decision Making99285 | 37 | $161 |
Typical Medicare-allowed amounts for these services range $65–$161 (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.
Practice location
Mailing address
Additional practice locations (2)
- 2651 E Discovery PkwyBloomington, IN 47408-9059Phone: (812) 353-9515Fax: (812) 353-9275
- 1001 W 10th StIndianapolis, IN 46202-2859Phone: (317) 630-7276
Registry dates
- Enumerated
- 2006-08-30
- Last updated
- 2025-03-12
- Certified
- 2025-03-12
Frequently asked questions
- What is Aloysius Humbert's NPI number?
- Aloysius Humbert's National Provider Identifier (NPI) is 1821108556, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Aloysius Humbert's specialty?
- Aloysius Humbert is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Aloysius Humbert located?
- Aloysius Humbert's practice location on file with NPPES is 1701 N Senate Blvd, Indianapolis, IN 46202-1239.
- What is Aloysius Humbert's phone number?
- The practice phone number listed in the NPPES registry for Aloysius Humbert is (888) 484-3258.
- Does Aloysius Humbert accept Medicare?
- Aloysius Humbert is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Aloysius Humbert's NPI active?
- Yes — Aloysius Humbert's NPI (1821108556) is active in the NPPES registry as of the last update on 2025-03-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.