DR. ANDREW J. MIZERAK MD
NPI 1982695912
Anesthesiology in Ames, IA
About Dr. Andrew J. Mizerak Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ANDREW J. MIZERAK MD (NPI 1982695912) is an individual anesthesiology provider in Ames, Iowa, licensed in Iowa (36005) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS, is affiliated with Mary Greeley Medical Center, and is a graduate of University Of California, Geffen School Of Medicine (2000).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 1
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
Dr. Andrew J. Mizerak 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 Reassignment
Medicare enrollment records show Andrew Mizerak reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Ames, IA 50010
- Reassigned Medicare billing, Iowa enrollment
- 331 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 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mary Greeley Medical Center
Acute Care Hospitals · Ames, IAOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Andrew Mizerak's NPI number?
The NPI number for Andrew Mizerak is 1982695912. It was assigned to this individual provider in the NPPES registry on October 31, 2005.
Where is Andrew Mizerak located?
Andrew Mizerak practices at 1111 Duff Ave Mcfarland Clinic, PC, Ames, IA 50010. The listed phone number is (515) 239-3665.
What is Andrew Mizerak's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Andrew Mizerak enrolled in Medicare?
Yes. Andrew Mizerak 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 organization bills Medicare for Andrew Mizerak's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Andrew Mizerak reassigns Medicare benefits to Mcfarland Clinic PC (Ames, IA). 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 Andrew Mizerak's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Andrew Mizerak accept?
Health plans from Wellmark Health Plan of Iowa, Inc. list Andrew Mizerak 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 Andrew Mizerak affiliated with any hospitals?
According to CMS data, Andrew Mizerak is affiliated with Mary Greeley Medical Center.
When was this NPI record last updated?
The NPPES record for Andrew Mizerak was last updated on December 1, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Dr. Andrew J. Mizerak, MD · NPI 1982695912
Anesthesiology physician in Ames, Iowa. Individual provider, active in the CMS NPPES registry since October 31, 2005.
## Identity
- **NPI:** 1982695912 (Entity type: Individual)
- **Enumerated:** October 31, 2005
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** 36005 (Iowa)
- **Sole proprietor:** No
## Practice location
- **Address:** 1111 DUFF AVE, MCFARLAND CLINIC, PC, Ames, IA 50010-3014
- **Phone:** (515) 239-3665 · **Fax:** (515) 239-3665
## 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:** Mcfarland Clinic PC (NPI 1639135643, Ames, IA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of California, Geffen School Of Medicine, class of 2000
## Record status
- **NPPES last updated:** December 1, 2020
- **Other identifiers:** Medicaid 0459792 (IA)
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Source: [NPI Profile](https://npiprofile.com/npi/1982695912) · Data from the CMS NPPES public registry.