WILLIAM MIZIKAR MD
NPI 1417914623
Anesthesiology in Quincy, IL
About William Mizikar Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM MIZIKAR MD (NPI 1417914623) is an individual anesthesiology provider in Quincy, Illinois, licensed in Illinois (036152389) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with Conemaugh Nason Medical Center, and is a graduate of University Of Pittsburgh School Of Medicine (1993).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
William Mizikar Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
10Medicare enrollment records show William Mizikar reassigns Medicare billing to 10 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Galesburg, IL 61401
- Reassigned Medicare billing, Illinois enrollment
- 142 clinicians in this Medicare group
Evanston, IL 60201
- Reassigned Medicare billing, Illinois enrollment
- 4,841 clinicians in this Medicare group
East Liverpool, OH 43920
- Reassigned Medicare billing, Pennsylvania enrollment
- 7,114 clinicians in this Medicare group
Aliquippa, PA 15001
- Reassigned Medicare billing, Pennsylvania enrollment
- 2,881 clinicians in this Medicare group
Clarksburg, WV 26301
- Reassigned Medicare billing, West Virginia enrollment
- 441 clinicians in this Medicare group
Erie, PA 16502
- Reassigned Medicare billing, Pennsylvania enrollment
- 483 clinicians in this Medicare group
West Newton, PA 15089
- Reassigned Medicare billing, Pennsylvania enrollment
- 669 clinicians in this Medicare group
Punxsutawney, PA 15767
- Reassigned Medicare billing, Pennsylvania enrollment
- 75 clinicians in this Medicare group
Roaring Spring, PA 16673
- Reassigned Medicare billing, Pennsylvania enrollment
- 104 clinicians in this Medicare group
Darby, PA 19023
- Reassigned Medicare billing, Pennsylvania enrollment
- 400 clinicians in this Medicare group
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 6
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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Conemaugh Nason Medical Center
Acute Care Hospitals · Roaring Spring, PAUpmc Altoona
Acute Care Hospitals · Altoona, PAOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
QUINCY, IL 62301
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 William Mizikar's NPI number?
The NPI number for William Mizikar is 1417914623. It was assigned to this individual provider in the NPPES registry on May 1, 2006.
Where is William Mizikar located?
William Mizikar practices at 3301 Broadway St, Quincy, IL 62301. The listed phone number is (217) 222-6550.
What is William Mizikar's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is William Mizikar enrolled in Medicare?
Yes. William Mizikar is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for William Mizikar's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Mizikar reassigns Medicare benefits to 10 organizations: Clinical Colleagues LLC (Galesburg, IL), Endeavor Health Medical Group (Evanston, IL), University Of Pittsburgh Physicians (East Liverpool, OH), Allegheny Clinic (Aliquippa, PA), United Hospital Center, Inc. (Clarksburg, WV) and 5 more organizations, listed in the Medicare section above. Each 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 William Mizikar's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does William Mizikar accept?
Health plans from Peak Health Insurance list William Mizikar as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is William Mizikar affiliated with any hospitals?
According to CMS data, William Mizikar is affiliated with Conemaugh Nason Medical Center and Upmc Altoona.
When was this NPI record last updated?
The NPPES record for William Mizikar was last updated on October 15, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years 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.
# William Mizikar, MD · NPI 1417914623
Anesthesiology physician in Quincy, Illinois. Individual provider, active in the CMS NPPES registry since May 1, 2006.
## Identity
- **NPI:** 1417914623 (Entity type: Individual)
- **Enumerated:** May 1, 2006
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** 036152389 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 3301 BROADWAY ST, Quincy, IL 62301-3713
- **Phone:** (217) 222-6550
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 10 organizations under Medicare reassignment (form CMS-855R): Clinical Colleagues LLC (NPI 1316399967, Galesburg, IL); Endeavor Health Medical Group (NPI 1497701882, Evanston, IL); University Of Pittsburgh Physicians (NPI 1811945793, East Liverpool, OH); Allegheny Clinic (NPI 1225701139, Aliquippa, PA); United Hospital Center, Inc. (NPI 1972979474, Clarksburg, WV); and 5 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Pittsburgh School Of Medicine, class of 1993
## Record status
- **NPPES last updated:** October 15, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1417914623) · Data from the CMS NPPES public registry.