Darren Lokkesmoe, MD
Internal Medicine Physician · Eau Claire, WI
Darren Lokkesmoe, MD is an internal medicine physician with a practice address in Eau Claire, Wisconsin, and NPI 1164401774, issued on Jan 12, 2006. Check the license (Wisconsin 39909, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Darren Lokkesmoe
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 39909 WI
Self-reported in NPPES; status is on the state search - Practice location
- 733 W Clairemont Ave, Eau Claire, WI 54701
- Phone
- (715) 838-5222
- Enumerated
- Jan 12, 2006
- Record last updated
- Sep 10, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20100130000182); accepts Medicare assignment
- Medical or professional school
- University Of Minnesota Medical School, 1991
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,078 in Wisconsin → Look up another NPI →
Also registered at 733 W Clairemont Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Matthew Anderson, LPCProfessional Counselor1366698706
- Aamir Ansari, M.D.Pediatrics Physician1295918696
Verify Darren Lokkesmoe in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 39909Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
72% fewer Medicare Part D claims than the average internal medicine physician in 2024
890 Medicare Part D claims for 150 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 18 claims were for opioids.
Most prescribed
- Eliquis44 claims
- Atorvastatin Calcium41 claims
- Tamsulosin Hcl38 claims
- Levothyroxine Sodium37 claims
- Metoprolol Tartrate30 claims
- Prednisone28 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-Northwest Wisconsin Region IncEau Claire, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Darren Lokkesmoe among 2,078 internal medicine physician records in Wisconsin
Darren Lokkesmoe, 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 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 46% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated1991 · median 2002 among the 1,098 with a school on file
- Record last updated2020 · 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).
54 internal medicine physician records list a practice address in Eau Claire
They are 54 of the 3,085 NPPES records with a practice address in Eau Claire, and 2,078 internal medicine physician records in Wisconsin.
All 2,078 in Wisconsin → Every provider in Eau Claire → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Abdulla Akfaly, MDEau Claire, WI 547011619956224
- Jenifer Bassett, M.D.Eau Claire, WI 547011376503615
- Matthew Cove, MDEau Claire, WI 547011346229952
- Martha Hidalgo, MDEau Claire, WI 547011508864547
- Brian Kosiak, MDEau Claire, WI 547011336150259
- Willie Pangilinan, MDEau Claire, WI 547011639151236
- Kristine Reesman, DOEau Claire, WI 547011275573214
- James Roberts, MDEau Claire, WI 547011801875471
Common questions
What is Darren Lokkesmoe, MD's NPI number?
Darren Lokkesmoe, MD's National Provider Identifier (NPI) is 1164401774, issued on Jan 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Darren Lokkesmoe, MD located?
The NPPES record lists a practice address at 733 W Clairemont Ave, Eau Claire, WI, 54701. Phone: (715) 838-5222. Providers update this record themselves, so call before visiting.
How can I verify Darren Lokkesmoe, MD's license?
NPPES lists Wisconsin license number 39909, 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 Darren Lokkesmoe, MD prescribe under Medicare Part D?
In 2024, Darren Lokkesmoe, MD had 890 Medicare Part D claims for 150 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.