Martha Arwen Karlstad, M.D.
Psychiatry Physician · Viroqua, WI
Martha Arwen Karlstad, M.D. is a psychiatry physician with a practice address in Viroqua, Wisconsin, and NPI 1457589954, issued on Jun 23, 2009. Check the license (Wisconsin 62165, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Martha Arwen Karlstad
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License numbers
- 62165 WI
LL31772 SC
Self-reported in NPPES; status is on the state search - Practice location
- 407 S Main St Ste 400, Viroqua, WI 54665
- Phone
- (608) 637-3174
- Enumerated
- Jun 23, 2009
- Record last updated
- May 30, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20140611002284); accepts Medicare assignment
- Medical or professional school
- University Of Nebraska College Of Medicine, 2009
- Entity
- Type 1 · individual
Also registered at 407 S Main St Ste 400
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Bonnie Davidson, MDFamily Medicine Physician1568427375
- Phoebe DevittFamily Medicine Physician1336567932
- Debra Gallagher, APNPFamily Nurse Practitioner1629446737
- Roxane Holm, PMHNPPsychiatric/Mental Health Nurse Practitioner1598042145
- Rebecca Lyle, CNM, FNPNurse Practitioner1770063547
Verify Martha Arwen Karlstad in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 62165Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
18% fewer Medicare Part D claims than the average psychiatry physician in 2024
820 Medicare Part D claims for 36 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 3% of claims.
Most prescribed
- Clonazepam77 claims
- Lorazepam58 claims
- Escitalopram Oxalate56 claims
- Clonidine Hcl50 claims
- Gabapentin42 claims
- Sertraline Hcl37 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
- Vernon Memorial Healthcare IncLa Farge, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
4 psychiatry physician records list a practice address in Viroqua
They are 4 of the 241 NPPES records with a practice address in Viroqua, and 929 psychiatry physician records in Wisconsin.
All 4 in Viroqua → All 929 in Wisconsin → Every provider in Viroqua →
Other psychiatry physician records in Wisconsin
- Semhal Abbay, MDGreen Bay, WI1780713172
- Amir Abdelli, MDMilwaukee, WI1265782668
- Beth Abramson, M.D.Milwaukee, WI1922045996
- Jaeger Ackerman, MDMadison, WI1578192589
- Sean Ackerman, M.D.Columbus, WI1548559305
- Nagwa Agaiby, M.D.Milwaukee, WI1336240407
- Himanshu Agrawal, M.D.Elm Grove, WI1477747954
- Virginia Aguilar-Sincaban, MDMadison, WI1730172081
- Eileen Ahearn, M.D.Madison, WI1144320524
- Mahmoud Ahmed, MDLadysmith, WI1659473312
Common questions
What is Martha Arwen Karlstad, M.D.'s NPI number?
Martha Arwen Karlstad, M.D.'s National Provider Identifier (NPI) is 1457589954, issued on Jun 23, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Martha Arwen Karlstad, M.D. located?
The NPPES record lists a practice address at 407 S Main St Ste 400, Viroqua, WI, 54665. Phone: (608) 637-3174. Providers update this record themselves, so call before visiting.
How can I verify Martha Arwen Karlstad, M.D.'s license?
NPPES lists Wisconsin license number 62165, 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 Martha Arwen Karlstad, M.D. prescribe under Medicare Part D?
In 2024, Martha Arwen Karlstad, M.D. had 820 Medicare Part D claims for 36 beneficiaries; the average among psychiatry physician prescribers was 1,000. 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.