Caroline A. Fisher, MD
Internal Medicine Physician · La Crosse, WI
Caroline A. Fisher, MD is an internal medicine physician with a practice address in La Crosse, Wisconsin, and NPI 1992787584, issued on Nov 18, 2005. Check the license (Wisconsin 35824, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Caroline A. Fisher
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 35824 WI
Self-reported in NPPES; status is on the state search - Practice location
- 800 West Ave S, La Crosse, WI 54601
- Phone
- (608) 785-0940
- Enumerated
- Nov 18, 2005
- Record last updated
- Aug 23, 2022
- Fax
- (608) 392-9898
- Medicare enrollment
- Enrolled (PECOS I20041013000362); accepts Medicare assignment
- Medical or professional school
- University Of Wisconsin School Of Medicine, 1993
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,078 in Wisconsin → Look up another NPI →
Also registered at 800 West Ave S
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Daniel Anderson, D.O.Neurology Physician1770996340
- Nitika Arora, M.D.Ophthalmology Physician1629419031
Verify Caroline A. Fisher in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 35824Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.8 times the Medicare Part D claims of the average internal medicine physician in 2024
8,757 Medicare Part D claims for 508 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 166 claims were for opioids.
Most prescribed
- Atorvastatin Calcium555 claims
- Levothyroxine Sodium440 claims
- Metoprolol Succinate383 claims
- Omeprazole370 claims
- Gabapentin323 claims
- Lisinopril265 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 IncOnalaska, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Caroline A. Fisher among 2,078 internal medicine physician records in Wisconsin
Caroline A. Fisher, MD is one of 2,078 internal medicine physician records with a practice address in Wisconsin. 70% 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, 91% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated1993 · median 2002 among the 1,098 with a school on file
- Record last updated2022 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
110 internal medicine physician records list a practice address in La Crosse
They are 110 of the 3,735 NPPES records with a practice address in La Crosse, and 2,078 internal medicine physician records in Wisconsin.
All 2,078 in Wisconsin → Every provider in La Crosse → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Christine Miller, MDLa Crosse, WI 546011366445934
- David Momont, MDLa Crosse, WI 546011649272964
- Sheila Momont, MDLa Crosse, WI 546011285636506
- Brian Mulrennan, MDLa Crosse, WI 546011073515391
- David Norenberg, MDLa Crosse, WI 546011235131517
- Steven Pearson, MDLa Crosse, WI 546011356343693
- Joan Romeyn, MDLa Crosse, WI 546011588667174
- Amanda Strosahl, MDLa Crosse, WI 546011063416857
Common questions
What is Caroline A. Fisher, MD's NPI number?
Caroline A. Fisher, MD's National Provider Identifier (NPI) is 1992787584, issued on Nov 18, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Caroline A. Fisher, MD located?
The NPPES record lists a practice address at 800 West Ave S, La Crosse, WI, 54601. Phone: (608) 785-0940. Providers update this record themselves, so call before visiting.
How can I verify Caroline A. Fisher, MD's license?
NPPES lists Wisconsin license number 35824, 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 Caroline A. Fisher, MD prescribe under Medicare Part D?
In 2024, Caroline A. Fisher, MD had 8,757 Medicare Part D claims for 508 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.