Mark Thomsen, M.D.
Psychiatry Physician · Omaha, NE
Mark Thomsen, M.D. is a psychiatry physician with a practice address in Omaha, Nebraska, and NPI 1972988921, issued on Jul 20, 2015. Check the license (Nebraska 31753, as entered in NPPES) on the Nebraska Board of Medicine and Surgery; the Medicare figures below come from public CMS files.
- Name
- Mark Thomsen
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License numbers
- 31753 NE
TEP - 7567 NE
Self-reported in NPPES; status is on the state search - Practice location
- 42ND @ Dewey St, Omaha, NE 68198
- Phone
- (402) 552-6007
- Enumerated
- Jul 20, 2015
- Record last updated
- Jun 23, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20190701001139); accepts Medicare assignment
- Medical or professional school
- University Of Nebraska College Of Medicine, 2015
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 260 in Nebraska → Look up another NPI →
Also registered at 42ND @ Dewey St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mark Aksamit, PACPhysician Assistant1013331925
- Melissa Allison, PA-CPhysician Assistant1245861962
- Troyia AndersonNurse Practitioner1861021099
- Andrew Baumgartner, M.D.Psychiatry Physician1144603515
- Julie Bierman, PLMHPMental Health Counselor1942820527
- Zoe Feilner, PA-CPhysician Assistant1043801285
Verify Mark Thomsen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNebraska Board of Medicine and Surgery
Search for license 31753Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
35% more Medicare Part D claims than the average psychiatry physician in 2024
1,345 Medicare Part D claims for 74 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Bupropion Xl84 claims
- Olanzapine84 claims
- Clozapine72 claims
- Invega Sustenna71 claims
- Prazosin Hcl57 claims
- Trazodone Hcl52 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.
2 hospitals and group practices
- Methodist Fremont HealthOakland, NE · Acute Care Hospitals2 of 5 stars
- Unmc PhysiciansOmaha, NE
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Mark Thomsen among 260 psychiatry physician records in Nebraska
Mark Thomsen, M.D. is one of 260 psychiatry physician records with a practice address in Nebraska. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 63% of them.
- NPI issued2015 · 63% of these records are older, 34% newer
- In a Medicare fileYes · 65% of these records are
- In the CMS Doctors and Clinicians fileYes · 44% of these records are
- Graduated2015 · median 2006 among the 113 with a school on file
- Record last updated2019 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Nebraska practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychiatry Physician providers in Nebraska
There are 260 psychiatry physician records in Nebraska.
All 260 in Nebraska → Every provider in Omaha → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Susan Boust, MDOmaha, NE 681981699732057
- Elizabeth Dahl, MDOmaha, NE 681981538126875
- Matthew Egbert, MDOmaha, NE 681981366490880
- Mark Fleisher, MDOmaha, NE 681981568410322
- Carl Greiner, MDOmaha, NE 681981033167812
- Sharon Hammer, MDOmaha, NE 681981386673259
- Chanel Heermann, M.D.Omaha, NE 681981043266562
- Stacey Herbster, M.D.Omaha, NE 681981457323925
Common questions
What is Mark Thomsen, M.D.'s NPI number?
Mark Thomsen, M.D.'s National Provider Identifier (NPI) is 1972988921, issued on Jul 20, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Mark Thomsen, M.D. located?
The NPPES record lists a practice address at 42ND @ Dewey St, Omaha, NE, 68198. Phone: (402) 552-6007. Providers update this record themselves, so call before visiting.
How can I verify Mark Thomsen, M.D.'s license?
NPPES lists Nebraska license number 31753, as entered by the provider. Search the Nebraska Board of Medicine and Surgery at https://www.nebraska.gov/LISSearch/search.cgi. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mark Thomsen, M.D. prescribe under Medicare Part D?
In 2024, Mark Thomsen, M.D. had 1,345 Medicare Part D claims for 74 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.