Nancy L. Erickson, MD
Family Medicine Physician · Onalaska, WI
Nancy L. Erickson, MD is a family medicine physician with a practice address in Onalaska, Wisconsin, and NPI 1457341992, issued on Oct 26, 2005. Check the license (Wisconsin 42309, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Nancy L. Erickson
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 42309 WI
Self-reported in NPPES; status is on the state search - Practice location
- 191 Theater Road, Onalaska, WI 54650
- Phone
- (608) 392-5001
- Enumerated
- Oct 26, 2005
- Record last updated
- Aug 8, 2022
- Medicare enrollment
- Enrolled (PECOS I20100628000319); accepts Medicare assignment
- Medical or professional school
- University Of Wisconsin School Of Medicine, 1999
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,765 in Wisconsin → Look up another NPI →
Also registered at 191 Theater Road
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Nancy L. Erickson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 42309Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
74% more Medicare Part D claims than the average family medicine physician in 2024
6,182 Medicare Part D claims for 391 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 279 claims were for opioids.
Most prescribed
- Atorvastatin Calcium555 claims
- Levothyroxine Sodium321 claims
- Lisinopril238 claims
- Metoprolol Succinate216 claims
- Amlodipine Besylate177 claims
- Omeprazole175 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Mayo Clinic Health System-Southwest Wisconsin Region IncLa Crosse, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nancy L. Erickson among 3,765 family medicine physician records in Wisconsin
Nancy L. Erickson, MD is one of 3,765 family medicine physician records with a practice address in Wisconsin. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 90% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1999 · median 2007 among the 2,347 with a school on file
- Record last updated2022 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
47 family medicine physician records list a practice address in Onalaska
They are 47 of the 568 NPPES records with a practice address in Onalaska, and 3,765 family medicine physician records in Wisconsin.
All 3,765 in Wisconsin → Every provider in Onalaska → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Kelley Bahr, MDOnalaska, WI 546501366441297
- Carmen Dargel, MDOnalaska, WI 546501194715698
- Joel Erickson, MDOnalaska, WI 546501225023997
- Kevin Fitzgerald, MDOnalaska, WI 546501730179243
- Mark Jungck, MDOnalaska, WI 546501396735809
- Daniel Maccharles, MDOnalaska, WI 546501205839198
- Paul Molling, DOOnalaska, WI 546501487642674
- Richard Perry, MDOnalaska, WI 546501356331888
Common questions
What is Nancy L. Erickson, MD's NPI number?
Nancy L. Erickson, MD's National Provider Identifier (NPI) is 1457341992, issued on Oct 26, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Nancy L. Erickson, MD located?
The NPPES record lists a practice address at 191 Theater Road, Onalaska, WI, 54650. Phone: (608) 392-5001. Providers update this record themselves, so call before visiting.
How can I verify Nancy L. Erickson, MD's license?
NPPES lists Wisconsin license number 42309, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Nancy L. Erickson, MD prescribe under Medicare Part D?
In 2024, Nancy L. Erickson, MD had 6,182 Medicare Part D claims for 391 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.