Gregory Lloyd Thelen Thelen, MD
Psychiatry Physician · Lakeville, MN
Gregory Lloyd Thelen Thelen, MD is a psychiatry physician with a practice address in Lakeville, Minnesota, and NPI 1821186768, issued on Oct 10, 2006. Check the license (Minnesota 44617, as entered in NPPES) on the Minnesota Board of Medical Practice; the Medicare figures below come from public CMS files.
- Name
- Gregory Lloyd Thelen Thelen
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 44617 MN
Self-reported in NPPES; status is on the state search - Practice location
- 18837 Iroquois Way, Lakeville, MN 55044
- Phone
- (612) 467-1921
- Enumerated
- Oct 10, 2006
- Record last updated
- Mar 11, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20050511000065); accepts Medicare assignment
- Medical or professional school
- Wright State University Boonshoft School Of Medicine, 1992
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 974 in Minnesota → Look up another NPI →
Verify Gregory Lloyd Thelen Thelen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMinnesota Board of Medical Practice
Search for license 44617Check 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 psychiatry physician in 2024
24 Medicare Part D claims, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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 practice group's MIPS final score for 2023 (Medicare payment program): 83.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Allina Health SystemMinneapolis, MN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gregory Lloyd Thelen Thelen among 974 psychiatry physician records in Minnesota
Gregory Lloyd Thelen Thelen, MD is one of 974 psychiatry physician records with a practice address in Minnesota. 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 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 56% newer
- In a Medicare fileYes · 68% of these records are
- In the CMS Doctors and Clinicians fileYes · 54% of these records are
- Graduated1992 · median 2008 among the 528 with a school on file
- Record last updated2021 · 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 2084P0800X and a Minnesota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychiatry Physician providers in Minnesota
There are 974 psychiatry physician records in Minnesota.
All 974 in Minnesota → Every provider in Lakeville → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Kenchiro Kue, DOLakeville, MN 550441841810223
- Christine Megaly, MDLakeville, MN 550441396373817
- Kent Brockmann, MDLake Elmo, MN 550421245281823
- Justin Garcia, MDLake Elmo, MN 550421740785708
- Kelania Jimenez, MDLake Elmo, MN 550421902086069
- Susan Betcher, MDHastings, MN 550331912969551
- Yen Johnson, MDHastings, MN 550331659833598
- Jacob Wilson, MDHastings, MN 550331265871701
Common questions
What is Gregory Lloyd Thelen Thelen, MD's NPI number?
Gregory Lloyd Thelen Thelen, MD's National Provider Identifier (NPI) is 1821186768, issued on Oct 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Lloyd Thelen Thelen, MD located?
The NPPES record lists a practice address at 18837 Iroquois Way, Lakeville, MN, 55044. Phone: (612) 467-1921. Providers update this record themselves, so call before visiting.
How can I verify Gregory Lloyd Thelen Thelen, MD's license?
NPPES lists Minnesota license number 44617, as entered by the provider. Search the Minnesota Board of Medical Practice at https://mn.gov/boards/medical-practice/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Gregory Lloyd Thelen Thelen, MD prescribe under Medicare Part D?
In 2024, Gregory Lloyd Thelen Thelen, MD had 24 Medicare Part D claims; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions only.
What is Gregory Lloyd Thelen Thelen, MD's MIPS final score?
The 2023 MIPS final score is 83.5 of 100, reported for the practice group. 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.