MERLE HENRY MULLER M.D.
NPI 1891770350
Family Medicine in Quincy, IL
About Merle Henry Muller M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MERLE HENRY MULLER M.D. (NPI 1891770350) is an individual family medicine provider in Quincy, Illinois, licensed in Illinois (036-070099) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS and is a graduate of Southern Illinois University School Of Medicine (1982).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 8
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
Merle Henry Muller M.d. 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
2Medicare enrollment records show Merle Muller reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Wapello, IA 52653
- Reassigned Medicare billing, Iowa enrollment
- 2,190 clinicians in this Medicare group
Sioux City, IA 51104
- Reassigned Medicare billing, Iowa enrollment
- 281 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 7
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 62301 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other 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 Merle Muller's NPI number?
The NPI number for Merle Muller is 1891770350. It was assigned to this individual provider in the NPPES registry on December 7, 2005.
Where is Merle Muller located?
Merle Muller practices at 612 N 11th St, Quincy, IL 62301. The listed phone number is (217) 224-9484.
What is Merle Muller's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Merle Muller enrolled in Medicare?
Yes. Merle Muller 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 Merle Muller's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Merle Muller reassigns Medicare benefits to 2 organizations: State University Of Iowa (Wapello, IA) and Northwest Iowa Hospital Corporation (Sioux City, IA). 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 Merle Muller's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Merle Muller accept?
Health plans from Avera Health Plans, Oscar Insurance Company, Sanford Health Plan and Wellmark Health Plan of Iowa, Inc. list Merle Muller 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.
When was this NPI record last updated?
The NPPES record for Merle Muller was last updated on May 19, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.