Nancy L. Ernst, RD
- Hospital affiliations
- 1
- Medical groups
- 2
- State license
- 1
- Year NPI issued
- 2005
- Practice address
- 3111 Gundersen Dr, Onalaska, WI 54650
- Practice phone
- Call (608) 775-8025
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Gundersen Lutheran Onalaska Clinic
Onalaska, Wisconsin
Find Nancy Ernst's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Nancy L. Ernst is a registered dietitian in Onalaska, Wisconsin
Nancy Ernst practices at Gundersen Lutheran Onalaska Clinic in Onalaska, Wisconsin.
Nancy Ernst's NPI, 1366447435, was assigned on June 16, 2005. Nancy Ernst holds Wisconsin license 348.
- NPI
- 1366447435NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8123074341
- NPI enumeration date
- June 16, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (608) 775-8025
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 63
- Medical school graduation
- 1989
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Nancy L. Ernst practices at Gundersen Lutheran Onalaska Clinic in Onalaska, Wisconsin
Nancy Ernst's primary practice is Gundersen Lutheran Onalaska Clinic, at 3111 Gundersen Dr, Onalaska, WI 54650 in La Crosse County. The practice phone is (608) 775-8025.
- Gundersen Lutheran Onalaska Clinic3111 Gundersen Dr, Onalaska, WI 54650 · La Crosse CountyPhone(608) 775-8025
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Nancy L. Ernst is affiliated with 3 sites of care and 2 medical groups
Nancy Ernst's primary practice is Gundersen Lutheran Onalaska Clinic in Onalaska, Wisconsin. Nancy Ernst is also affiliated with Gundersen Lutheran Medical Center. The medical group on file is Gundersen Lutheran Medical Center. Dmand AI also links Nancy Ernst to 1 more group practice or clinic and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Nancy L. Ernst's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Nancy Ernst practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Gundersen Lutheran Onalaska Clinic | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Nancy L. Ernst is one of 351 registered dietitians in Wisconsin
Dietitian, registered is Nancy Ernst's primary specialty in the NPI Registry, under taxonomy code 133V00000X. Nancy Ernst is licensed in Wisconsin.
Specialties and state licenses
- Registered dietitian, WisconsinPrimary
Registered dietitians near Nancy Ernst
Counts of registered dietitians with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Nancy L. Ernst's patients have a median age of 58
Across all payers, Dmand AI patient panel data puts Nancy Ernst's median patient age at 58, with 58% women.
Nancy Ernst's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 58
Patient panel by sex, all payers
- Women58%
- Men42%
Source: Dmand AI Patient Panel Data
How Nancy L. Ernst takes part in Medicare
Nancy Ernst accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
Sources for Nancy L. Ernst's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Nancy L. Ernst
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Nancy L. Ernst's NPI number?
Nancy L. Ernst's NPI number is 1366447435. It was assigned on June 16, 2005, and it is active in the NPI Registry.
What does Nancy L. Ernst specialize in?
Nancy L. Ernst is a registered dietitian in Onalaska, Wisconsin. The primary specialty in the NPI Registry is Registered Dietitian (taxonomy code 133V00000X).
Where does Nancy L. Ernst practice?
Nancy Ernst practices at 3111 Gundersen Dr, Onalaska, WI 54650. Nancy Ernst's primary practice is Gundersen Lutheran Onalaska Clinic in Onalaska, Wisconsin. Dmand AI also links Nancy Ernst to 1 group practice or clinic and 1 medical group.
What is Nancy L. Ernst's office phone number?
The practice phone on file for Nancy Ernst is (608) 775-8025.
What is Nancy L. Ernst's medical license number?
Nancy Ernst holds Wisconsin license 348.
Which hospitals is Nancy L. Ernst affiliated with?
Nancy Ernst is affiliated with Gundersen Lutheran Medical Center.
What medical group is Nancy L. Ernst part of?
Nancy Ernst is linked to Gundersen Lutheran Medical Center. Dmand AI links Nancy Ernst to 1 more medical group.
Does Nancy L. Ernst accept Medicare?
Yes. CMS lists Nancy Ernst as accepting Medicare assignment.
How long has Nancy L. Ernst been practicing?
Nancy Ernst graduated from medical school in 1989, 37 years ago.
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