Andreas P. Thyssen, M.D.
Internal Medicine Physician · Brunswick, ME
Andreas P. Thyssen, M.D. is an internal medicine physician with a practice address in Brunswick, Maine, and NPI 1215373279, issued on May 17, 2013. Check the license (Maine MD21627, as entered in NPPES) on the Maine Board of Licensure in Medicine; the Medicare figures below come from public CMS files.
- Name
- Andreas P. Thyssen
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MD21627 ME
Self-reported in NPPES; status is on the state search - Practice location
- 8 Mason St, Brunswick, ME 04011
- Phone
- (207) 619-2314
- Enumerated
- May 17, 2013
- Record last updated
- Aug 28, 2025
- Fax
- (207) 420-2314
- Medicare enrollment
- Enrolled (PECOS I20170829000592); accepts Medicare assignment
- Medical or professional school
- University Of Colorado School Of Medicine, Denver, 2013
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 8 Mason St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Kurt Kelley, M.D.Ophthalmology Physician1013030378
- Mark NickersonOptician1710181045
Verify Andreas P. Thyssen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaine Board of Licensure in Medicine
Search for license MD21627Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average internal medicine physician in 2024
73 Medicare Part D claims for 12 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
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): 98.1 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 3 group practices
- Maine Street Medical PLLCBrunswick, ME
- MainehealthPortland, ME
- Select Physical Therapy Holdings IncAuburn, ME
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
18 internal medicine physician records list a practice address in Brunswick
They are 18 of the 981 NPPES records with a practice address in Brunswick, and 597 internal medicine physician records in Maine.
All 18 in Brunswick → All 597 in Maine → Every provider in Brunswick →
Other internal medicine physician records in Maine
- George Abboud, MDBiddeford, ME1376612945
- Karen Abernathy, M.D.Rockport, ME1124312335
- Hassan Abouleish, MDHoulton, ME1255300307
- Philip Abraham, M.D.Kittery, ME1497750764
- Elizabeth Ackerson, MDPortland, ME1912920117
- Lindsey Ackley-Pozzessere, DOBrunswick, ME1477991842
- Todd Adams, MDMoody, ME1427165778
- Muhammad Umer Ahmed, MDBangor, ME1134893183
- Samer Al-Ameri, MDBangor, ME1225514854
- Ali Al-OmariBangor, ME1447634431
Common questions
What is Andreas P. Thyssen, M.D.'s NPI number?
Andreas P. Thyssen, M.D.'s National Provider Identifier (NPI) is 1215373279, issued on May 17, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Andreas P. Thyssen, M.D. located?
The NPPES record lists a practice address at 8 Mason St, Brunswick, ME, 04011. Phone: (207) 619-2314. Providers update this record themselves, so call before visiting.
How can I verify Andreas P. Thyssen, M.D.'s license?
NPPES lists Maine license number MD21627, as entered by the provider. Search the Maine Board of Licensure in Medicine at https://www.maine.gov/md/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Andreas P. Thyssen, M.D. prescribe under Medicare Part D?
In 2024, Andreas P. Thyssen, M.D. had 73 Medicare Part D claims for 12 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Andreas P. Thyssen, M.D.'s MIPS final score?
The 2023 MIPS final score is 98.1 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.