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NICHOLAS LEONOWICZ MD
NPI 1831572254
Emergency Medicine in Fort Wayne, IN

Active since July 02, 2015PECOS Enrolled
10343 DAWSONS CREEK BLVD STE A, FORT WAYNE, IN 46825(260) 206-9600 Get Directions Write a Review

NPPES record last updated: October 9, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 9, 2025, Feb 17, 2025, Nov 7, 2023 and 1 more (4 updates tracked since 2018).

About Nicholas Leonowicz Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

NICHOLAS LEONOWICZ MD (NPI 1831572254) is an individual emergency medicine provider in Fort Wayne, Indiana, licensed in Indiana (01080188A) and active in the NPI registry since July 2015. He is enrolled in Medicare PECOS and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1831572254
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameNICHOLAS LEONOWICZCredential: MD
Location Address10343 DAWSONS CREEK BLVD STE AFort Wayne, IN 46825
Mailing Address10343 Dawsons Creek Blvd Ste AFort Wayne, IN 46825-1906 · (260) 203-9600
Phone(260) 206-9600
Sole ProprietorYes
Enumeration DateJuly 2, 2015
Last NPPES UpdateOctober 9, 20254 updates tracked since enumeration
NPPES CertifiedOctober 9, 2025
✔ NPI 1831572254 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
Licenses✔ Licensed in IN · 01080188A✔ Licensed in MI · 4301108207
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
10343 DAWSONS CREEK BLVD STE A, Fort Wayne, IN 46825
Open in Google Maps ↗

Secondary Practice Locations 3

Location 1PO Box 635004Cincinnati, OH 45263-5004 · Phone (888) 952-6772
Location 27950 W Jefferson BlvdFort Wayne, IN 46804-4140 · Phone (260) 435-2699
Location 3702 Van Buren StFort Wayne, IN 46802-3697 · Phone (260) 425-3000

Other Identifiers 1

Medicaid0378205OH

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Nicholas Leonowicz Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Nicholas Leonowicz reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Emergency Professionals Of Indiana, P.C.
11 mi
Emergency Medicine
7950 W JEFFERSON BLVD
Fort Wayne, IN 46804
  • Reassigned Medicare billing, Indiana enrollment
  • Medicare enrollment name: Emergency Professionals Of Indiana PC
  • 404 clinicians in this Medicare group
NPI 1013951219 (260) 435-2699

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
136 services131 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
54 services52 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
21 services21 patients
Emergency department visit with low level of medical decision making 99283
An emergency department visit for a problem of moderate severity involves immediate medical attention for issues like minor fractures, burns, or high fever. The healthcare team will assess your condition, provide necessary treatment, and may suggest further tests or admission if required.
18 services18 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 46825 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$82.04 typical visit price
range $53.07 – $161.76
Typical copayment $20.51 (range $13.26 – $40.44)
Most-billed visit code 99203
Established Patient
$94.22 typical visit price
range $16.93 – $132.22
Typical copayment $23.55 (range $4.23 – $33.05)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

WHITNEY MILLER DO
Emergency Medicine
10343 DAWSONS CREEK BLVD STE A
FORT WAYNE, IN 46825
Allen County (260) 203-9600
BAILEY GASPER LMHCA
Counselor (Mental Health)
10343 DAWSONS CREEK BLVD STE A
FORT WAYNE, IN 46825
Allen County (260) 267-0498

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Nicholas Leonowicz's NPI number?

The NPI number for Nicholas Leonowicz is 1831572254. It was assigned to this individual provider in the NPPES registry on July 2, 2015.

Where is Nicholas Leonowicz located?

Nicholas Leonowicz practices at 10343 Dawsons Creek Blvd Ste A, Fort Wayne, IN 46825. The listed phone number is (260) 206-9600.

What is Nicholas Leonowicz's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Nicholas Leonowicz enrolled in Medicare?

Yes. Nicholas Leonowicz is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Nicholas Leonowicz's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nicholas Leonowicz reassigns Medicare benefits to Emergency Professionals Of Indiana, P.C. (Fort Wayne, IN). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Nicholas Leonowicz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Nicholas Leonowicz was last updated on October 9, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.