Dr. Gregory Lloyd Thelen Thelen, MD
- Medicare services, 2024
- 28
- Medicare patients, 2024
- 19
- Part D claims, 2024
- 24
- MIPS score, 2024
- 86
- Hospital affiliations
- 1
- Practice address
- 2250 26th Street Northwest, Owatonna, MN 55060
- Practice phone
- Call (507) 451-3850
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Thelen's professional email, personal email and mobile number
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Dr. Gregory Lloyd Thelen Thelen is a psychiatrist in Owatonna, Minnesota
Dr. Thelen practices at Owatonna Hospital in Owatonna, Minnesota, part of Sutter Health.
Dr. Thelen's NPI, 1821186768, was assigned on October 10, 2006. Dr. Thelen graduated from Wright State University Boonshoft School of Medicine in 1992. Dr. Thelen holds Minnesota license 44617.
- NPI
- 1821186768NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1951341783
- NPI enumeration date
- October 10, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (507) 451-3850
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 60
- Medical school graduation
- 1992
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gregory Lloyd Thelen Thelen practices at Owatonna Hospital in Owatonna, Minnesota
Dr. Thelen's primary practice is Owatonna Hospital, at 2250 26th Street Northwest, Owatonna, MN 55060 in Steele County. The practice phone is (507) 451-3850.
- Owatonna Hospital2250 26th Street Northwest, Owatonna, MN 55060 · Steele CountyPhone(507) 451-3850
Source: Dmand AI Affiliation Data
Dr. Gregory Lloyd Thelen Thelen is affiliated with 1 site of care and 1 medical group
Dr. Thelen's primary practice is Owatonna Hospital in Owatonna, Minnesota, part of Sutter Health. The medical group on file is Buffalo Hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Gregory Lloyd Thelen Thelen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Thelen practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Owatonna Hospital | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gregory Lloyd Thelen Thelen is one of 742 psychiatrists in Minnesota
Psychiatry is Dr. Thelen's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Thelen is licensed in Minnesota.
Specialties and state licenses
- Psychiatry, MinnesotaPrimary
Psychiatrists near Dr. Thelen
Counts of psychiatrists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Gregory Lloyd Thelen Thelen billed Medicare for 28 services in 2024
CMS data shows 28 Medicare services from Dr. Thelen across 1 procedure code in 2024, for 19 Medicare patients. Medicare paid $1,006 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Thelen's Medicare services by type, 2021 to 2024
- 2021
- 2024
- Office and hospital visits
- 2021: 202024: 2840%
Dr. Thelen compared with the Minnesota median for psychiatrists, 2024
- Dr. Thelen
- Minnesota median
- Medicare services
- 28vs 16083% below
- Medicare patients
- 19vs 5263% below
- Part D claims
- 27vs 15082% below
Medians across 752 psychiatrists in Minnesota with Dmand AI profiles that report each measure.
Dr. Thelen's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Thelen and other psychiatrists in Minnesota.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gregory Lloyd Thelen Thelen treated 19 Medicare patients in 2024, average age 53
CMS counts 19 Medicare patients who saw Dr. Thelen in 2024. 75% of them have anxiety, and 75% have depression. Their average risk score is 1.06, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Thelen's median patient age at 40, with 59% women.
Chronic conditions among Dr. Thelen's Medicare patients, 2024
- Anxiety75%
- Depression75%
- Mood disorders75%
- Personality disorders63%
- Schizophrenia and other psychoses63%
- Bipolar disorder58%
- High cholesterol58%
Share of Medicare patients with each condition. A patient can have several.
Dr. Thelen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 40
Patient panel by sex, all payers
- Women59%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gregory Lloyd Thelen Thelen wrote 24 Medicare Part D claims in 2024
In 2024, Dr. Thelen wrote 24 Medicare Part D claims. 100% of them were for generic drugs. They cover 2 drugs, with $758 in total drug cost. In 2022, CMS named 11 claims across 1 drug.
Dr. Thelen's most prescribed drugs by claims, 2023
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 112023: 27145%
Drugs named by CMS: 2 in 2023, 1 in 2022.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Gregory Lloyd Thelen Thelen scored 86 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 86 out of 100 for Dr. Thelen for performance year 2024, reported as part of a group. Dr. Thelen accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Thelen's MIPS scores, performance year 2024
- 86of 100Final score
- 72.5of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 77of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Gregory Lloyd Thelen Thelen graduated from Wright State University Boonshoft School of Medicine
Dr. Thelen graduated from Wright State University Boonshoft School of Medicine in 1992.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Gregory Lloyd Thelen Thelen's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Gregory Lloyd Thelen Thelen
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Gregory Lloyd Thelen Thelen's NPI number?
Dr. Gregory Lloyd Thelen Thelen's NPI number is 1821186768. It was assigned on October 10, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Gregory Lloyd Thelen Thelen?
Dr. Gregory Lloyd Thelen Thelen is a psychiatrist in Owatonna, Minnesota. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Gregory Lloyd Thelen Thelen practice?
Dr. Thelen practices at 2250 26th Street Northwest, Owatonna, MN 55060. Dr. Thelen's primary practice is Owatonna Hospital in Owatonna, Minnesota, part of Sutter Health.
What is Dr. Gregory Lloyd Thelen Thelen's office phone number?
The practice phone on file for Dr. Thelen is (507) 451-3850.
What is Dr. Gregory Lloyd Thelen Thelen's medical license number?
Dr. Thelen holds Minnesota license 44617.
Which hospitals is Dr. Gregory Lloyd Thelen Thelen affiliated with?
Dr. Thelen practices at Owatonna Hospital in Owatonna, Minnesota.
What medical group is Dr. Gregory Lloyd Thelen Thelen part of?
Dr. Thelen is linked to Buffalo Hospital.
Does Dr. Gregory Lloyd Thelen Thelen accept Medicare?
Yes. CMS data shows Dr. Thelen billed Medicare for 28 services in 2024, and Dr. Thelen accepts Medicare assignment.
What is Dr. Gregory Lloyd Thelen Thelen's MIPS score?
Dr. Thelen's MIPS final score for performance year 2024 is 86 out of 100, reported as part of a group.
How many Medicare patients does Dr. Gregory Lloyd Thelen Thelen see?
CMS counts 19 Medicare patients who saw Dr. Thelen in 2024, with an average age of 53.
Show 4 more questionsShow fewer questions
What services does Dr. Gregory Lloyd Thelen Thelen bill to Medicare?
In 2024, Dr. Thelen's most billed Medicare services were hospital inpatient care (99231).
Where did Dr. Gregory Lloyd Thelen Thelen go to medical school?
Dr. Thelen graduated from Wright State University Boonshoft School of Medicine in 1992.
What drugs does Dr. Gregory Lloyd Thelen Thelen prescribe most?
In 2023 Medicare Part D data, Dr. Thelen's most prescribed drugs by claims were Sertraline HCl and Divalproex Sodium ER.
How long has Dr. Gregory Lloyd Thelen Thelen been practicing?
Dr. Thelen graduated from medical school in 1992, 34 years ago.
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