Marcus Charles Thiemann, DO
Internal Medicine Physician · Palmer, AK
Marcus Charles Thiemann, DO is an internal medicine physician with a practice address in Palmer, Alaska, and NPI 1750876629, issued on Jun 24, 2018. Check the license (Alaska 176399, as entered in NPPES) on the Alaska State Medical Board; the Medicare figures below come from public CMS files.
- Name
- Marcus Charles Thiemann
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 176399 AK
2018018693 MO
Self-reported in NPPES; status is on the state search - Practice location
- 2500 S Woodworth Loop, Palmer, AK 99645
- Phone
- (907) 861-6700
- Enumerated
- Jun 24, 2018
- Record last updated
- Oct 3, 2023
- Fax
- (907) 861-6742
- Medicare enrollment
- Enrolled (PECOS I20210903002677); accepts Medicare assignment
- Medical or professional school
- Kansas City University Of Med & Biosciences, College Of Osteo Med, 2018
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 177 in Alaska → Look up another NPI →
Also registered at 2500 S Woodworth Loop
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Amanda AlexanderPsychiatric/Mental Health Nurse Practitioner1164829354
- Michelle Allen, RNCertified Registered Nurse Anesthetist1184258170
- Joseph Alter, MDEmergency Medicine Physician1629365267
- Michael Alter, MDEmergency Medicine Physician1124153242
- Eric Atkinson, RN, CNOR, RNFARegistered Nurse1619532215
- Jesse Atwood, MDPediatrics Physician1700894664
Verify Marcus Charles Thiemann in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersAlaska State Medical Board
Search for license 176399Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
68% more Medicare Part D claims than the average internal medicine physician in 2024
5,336 Medicare Part D claims for 468 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims. 62 claims were for opioids.
Most prescribed
- Atorvastatin Calcium229 claims
- Levothyroxine Sodium215 claims
- Lisinopril192 claims
- Amlodipine Besylate163 claims
- Rosuvastatin Calcium144 claims
- Losartan Potassium132 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.
The MIPS final score for 2023 (Medicare payment program): 89.3 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 2 group practices
- Mat-SU Valley III LLCPalmer, AK
- Select Physical Therapy Holdings IncEagle River, AK
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marcus Charles Thiemann among 177 internal medicine physician records in Alaska
Marcus Charles Thiemann, DO is one of 177 internal medicine physician records with a practice address in Alaska. 68% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 84% of them.
- NPI issued2018 · 84% of these records are older, 13% newer
- In a Medicare fileYes · 68% of these records are
- In the CMS Doctors and Clinicians fileYes · 52% of these records are
- Graduated2018 · median 2010 among the 92 with a school on file
- Record last updated2023 · 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 207R00000X and a Alaska practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Internal Medicine Physician providers in Alaska
There are 177 internal medicine physician records in Alaska.
All 177 in Alaska → Every provider in Palmer → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Natalie Beyeler, D.O.Palmer, AK 996451104885268
- Martin Cook, DOPalmer, AK 996451477176543
- Srikanth Malladi, MDPalmer, AK 996451558848143
- David Rudolph, MDPalmer, AK 996451376526749
- David Barnes, D.O.Wasilla, AK 996541124081211
- Lisa Cooney, MDWasilla, AK 996541578522694
- Loetta Horswill-Woods, DOWasilla, AK 996541164479374
- Carole Ruegsegger, M.D.Wasilla, AK 996541841405883
Common questions
What is Marcus Charles Thiemann, DO's NPI number?
Marcus Charles Thiemann, DO's National Provider Identifier (NPI) is 1750876629, issued on Jun 24, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Marcus Charles Thiemann, DO located?
The NPPES record lists a practice address at 2500 S Woodworth Loop, Palmer, AK, 99645. Phone: (907) 861-6700. Providers update this record themselves, so call before visiting.
How can I verify Marcus Charles Thiemann, DO's license?
NPPES lists Alaska license number 176399, as entered by the provider. Search the Alaska State Medical Board at https://www.commerce.alaska.gov/web/cbpl/ProfessionalLicensing/StateMedicalBoard.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Marcus Charles Thiemann, DO prescribe under Medicare Part D?
In 2024, Marcus Charles Thiemann, DO had 5,336 Medicare Part D claims for 468 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Marcus Charles Thiemann, DO's MIPS final score?
The 2023 MIPS final score is 89.3 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.