Nicholas Leonowicz, MD
NPI 1831572254 · Emergency Medicine Physician · Fort Wayne, IN
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nicholas Leonowicz, MD is a Emergency Medicine Physician provider in Fort Wayne, IN (NPI 1831572254).
Provider details
- NPI number
- 1831572254
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 01080188A (IN)
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 tenure28% of score
10 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
4 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
229 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 High Level of Medical Decision Making99285 | 136 | $160 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 54 | $111 |
| Critical Care, First 30-74 Minutes99291 | 21 | $196 |
| Emergency Department Visit With Low Level of Medical Decision Making99283 | 18 | $65 |
Typical Medicare-allowed amounts for these services range $65–$196 (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 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Cephalexin | 44 | 44 |
| Methylprednisolone | 36 | 36 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 30 | 29 |
| Ibuprofen | 23 | 23 |
| Prednisone | 22 | 22 |
| Ondansetronbrand: Ondansetron Odt | 21 | 21 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen |
Practice location
Mailing address
Additional practice locations (3)
- 7950 W Jefferson BlvdFort Wayne, IN 46804-4140Phone: (260) 435-2699
- 702 Van Buren StFort Wayne, IN 46802-3697Phone: (260) 425-3000
- Po Box 635004Cincinnati, OH 45263-5004Phone: (888) 952-6772
Registry dates
- Enumerated
- 2015-07-02
- Last updated
- 2025-10-09
- Certified
- 2025-10-09
Frequently asked questions
- What is Nicholas Leonowicz's NPI number?
- Nicholas Leonowicz's National Provider Identifier (NPI) is 1831572254, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nicholas Leonowicz's specialty?
- Nicholas Leonowicz is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Nicholas Leonowicz located?
- Nicholas Leonowicz's practice location on file with NPPES is 10343 Dawsons Creek Blvd Ste a, Fort Wayne, IN 46825.
- What is Nicholas Leonowicz's phone number?
- The practice phone number listed in the NPPES registry for Nicholas Leonowicz is (260) 206-9600.
- Does Nicholas Leonowicz accept Medicare?
- Nicholas Leonowicz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nicholas Leonowicz's NPI active?
- Yes — Nicholas Leonowicz's NPI (1831572254) is active in the NPPES registry as of the last update on 2025-10-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.