DR. MERCEDES ELAIN MILLER MD
NPI 1548965312
Family Medicine in Onalaska, WI
About Dr. Mercedes Elain Miller Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MERCEDES ELAIN MILLER MD (NPI 1548965312) is an individual family medicine provider in Onalaska, Wisconsin, licensed in Wisconsin (85501-20) and active in the NPI registry since April 2023. She is enrolled in Medicare PECOS, is affiliated with Gundersen Lutheran Medical Center, and maintains a secondary practice location in La Crosse.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Mercedes Elain Miller 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Gundersen Lutheran Medical Center
Acute Care Hospitals · La Crosse, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 54650 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 Mercedes Miller's NPI number?
The NPI number for Mercedes Miller is 1548965312. It was assigned to this individual provider in the NPPES registry on April 3, 2023.
Where is Mercedes Miller located?
Mercedes Miller practices at 3111 Gundersen Dr, Onalaska, WI 54650. The listed phone number is (608) 782-7300.
What is Mercedes Miller's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Mercedes Miller enrolled in Medicare?
Yes. Mercedes Miller 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.
Is Mercedes Miller affiliated with any hospitals?
According to CMS data, Mercedes Miller is affiliated with Gundersen Lutheran Medical Center.
When was this NPI record last updated?
The NPPES record for Mercedes Miller was last updated on September 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 days 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. Mercedes Elain Miller, MD · NPI 1548965312
Family Medicine physician in Onalaska, Wisconsin. Individual provider, active in the CMS NPPES registry since April 3, 2023.
## Identity
- **NPI:** 1548965312 (Entity type: Individual)
- **Enumerated:** April 3, 2023
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** 85501-20 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 3111 GUNDERSEN DR, Onalaska, WI 54650-8447
- **Phone:** (608) 782-7300
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Medical school:** Medical College Of Wisconsin, class of 2023
## Record status
- **NPPES last updated:** September 11, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1548965312) · Data from the CMS NPPES public registry.