Physician Profile
Unclaimed ProfileAbout THELEN
Gregory Lloyd Thelen Thelen, MD is a healthcare provider in Lakeville, MN specialising in psychiatry. Gregory trained at Wright State University Boonshoft School of Medicine, graduating in 1992.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What is Dr. Thelen's specialty?
Dr. Thelen is a psychiatry in Lakeville, MN. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “PSYCHIATRY”.
NPI registry
Where can I find Dr. Thelen?
Dr. Thelen is listed at 18837 IROQUOIS WAY, Lakeville, MN 55044. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Thelen?
The number on file is (612) 467-1921. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Thelen's NPI number?
Dr. Thelen's National Provider Identifier is 1821186768. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Dr. Thelen's medical education?
Dr. Thelen attended Wright State University Boonshoft School of Medicine, graduating in 1992. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Thelen been practising?
Dr. Thelen has 34 years experience. Calculated from a graduation year of 1992, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Thelen known for?
According to Medicare billing data, Dr. Thelen the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Thelen confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Thelen. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (612) 467-1921
- Email not available
Practice Locations
18837 IROQUOIS WAY
Lakeville, MN 55044
Procedures Most Often Billed to Medicare
28 services · 17 patients · 1 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | Office visit | 99231 |
28 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other psychiatry specialists in Lakeville 3
Same specialty, same city.
Trained at Wright State University Boonshoft School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1992 at Wright State University Boonshoft School of Medicine 8
Providers who graduated from the same medical school in the same year.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.