Dr. Timothy J. Thompson, MD
- Part D claims, 2024
- 5,217
- Hospital affiliations
- 1
- Industry payments
- $1,419
- Medical groups
- 4
- State license
- 1
- Practice address
- N2950 State Road 67, Lake Geneva, WI 53147
- Practice phone
- Call (262) 245-0535
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Thompson's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Timothy J. Thompson is an internist in Lake Geneva, Wisconsin
Dr. Thompson practices at Mercyhealth Hospital and Medical Center-Walworth in Lake Geneva, Wisconsin, part of Mercyhealth.
Dr. Thompson's NPI, 1689781791, was assigned on August 24, 2006. Dr. Thompson graduated from University of Wisconsin School of Medicine in 1991. Dr. Thompson holds Oregon license MD195582.
- NPI
- 1689781791NPI Registry (opens in a new tab)
- NPI enumeration date
- August 24, 2006
- NPI status
- Active
- Practice phone
- (262) 245-0535
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 61
- Medical school graduation
- 1991
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Timothy J. Thompson practices at 2 locations in Lake Geneva, Wisconsin
Dr. Thompson's primary practice is Mercyhealth Hospital and Medical Center-Walworth, at N2950 State Road 67, Lake Geneva, WI 53147 in Walworth County. The practice phone is (262) 245-0535. Dr. Thompson also practices at Mercyhealth Hospital and Medical Center- Walworth, 2950 State Rd 67, Lake Geneva, WI 53147.
- Mercyhealth Hospital and Medical Center-WalworthPrimaryN2950 State Road 67, Lake Geneva, WI 53147 · Walworth CountyPhone(262) 245-0535
- Mercyhealth Hospital and Medical Center- Walworth2950 State Rd 67, Lake Geneva, WI 53147 · Walworth CountyPhone(262) 245-0535
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. Timothy J. Thompson is affiliated with 6 sites of care and 4 medical groups
Dr. Thompson's primary practice is Mercyhealth Hospital and Medical Center-Walworth in Lake Geneva, Wisconsin, part of Mercyhealth. The medical group on file is ArchWell Health. Dmand AI also links Dr. Thompson to 3 more group practices and clinics, 3 medical groups, 1 therapy and rehab clinic and 1 rural health clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Timothy J. Thompson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Thompson practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mercyhealth Hospital and Medical Center-Walworth | Available with a free account |
| +5 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Timothy J. Thompson is one of 1,675 internists in Wisconsin
Internal medicine is Dr. Thompson's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Thompson is licensed in Oregon.
Specialties and state licenses
- Internal medicine, OregonPrimary
Internists near Dr. Thompson
Counts of internists 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. Timothy J. Thompson's patients have a median age of 75
Across all payers, Dmand AI patient panel data puts Dr. Thompson's median patient age at 75, with 47% women.
Dr. Thompson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 75
Patient panel by sex, all payers
- Women47%
- Men53%
Source: Dmand AI Patient Panel Data
Dr. Timothy J. Thompson wrote 5,217 Medicare Part D claims in 2024
In 2024, Dr. Thompson wrote 5,217 Medicare Part D claims for 653 patients. 89% of them were for generic drugs. CMS names the drug for 4,457 of them, across 105 drugs with 11 or more claims each, at $217,010 in total drug cost. In 2023, CMS named 3,422 claims across 97 drugs.
Dr. Thompson's Part D claims by kind of drug, 2024
- Generic4,627 claims89%
- Brand-name544 claims10%
- Other46 claims1%
Dr. Thompson's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Thompson's Part D claims, 2024
- Opioids1%64 of 5,217 claims
- Antibiotics2%94 of 5,217 claims
- Antipsychotics, patients 65 and over0%18 of 5,217 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 3,4222024: 4,45730%
Drugs named by CMS: 105 in 2024, 97 in 2023.
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
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Dr. Timothy J. Thompson received $1,419 in industry payments from 2020 to 2024
CMS Open Payments shows 68 general payments to Dr. Thompson from 17 drug and device companies from 2020 to 2024. Food and beverage make up the largest share, 100% of the total. AstraZeneca Pharmaceuticals LP paid the most, $199.
General payments to Dr. Thompson by program year, 2020 to 2024
Companies that paid Dr. Thompson the most, 2020 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Timothy J. Thompson graduated from University of Wisconsin School of Medicine
Dr. Thompson graduated from University of Wisconsin School of Medicine in 1991.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Timothy J. Thompson'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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) |
| Industry payments | Open Payments (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. Timothy J. Thompson
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. Timothy J. Thompson's NPI number?
Dr. Timothy J. Thompson's NPI number is 1689781791. It was assigned on August 24, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Timothy J. Thompson?
Dr. Timothy J. Thompson is an internist in Lake Geneva, Wisconsin. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Timothy J. Thompson practice?
Dr. Thompson practices at N2950 State Road 67, Lake Geneva, WI 53147. Dr. Thompson also practices at 2950 State Rd 67, Lake Geneva, WI 53147. Dr. Thompson's primary practice is Mercyhealth Hospital and Medical Center-Walworth in Lake Geneva, Wisconsin, part of Mercyhealth. Dmand AI also links Dr. Thompson to 3 group practices and clinics, 3 medical groups, 1 therapy and rehab clinic and 1 rural health clinic.
What is Dr. Timothy J. Thompson's office phone number?
The practice phone on file for Dr. Thompson is (262) 245-0535.
What is Dr. Timothy J. Thompson's medical license number?
Dr. Thompson holds Oregon license MD195582.
Which hospitals is Dr. Timothy J. Thompson affiliated with?
Dr. Thompson practices at Mercyhealth Hospital and Medical Center-Walworth in Lake Geneva, Wisconsin.
What medical group is Dr. Timothy J. Thompson part of?
Dr. Thompson is linked to ArchWell Health. Dmand AI links Dr. Thompson to 3 more medical groups.
Where did Dr. Timothy J. Thompson go to medical school?
Dr. Thompson graduated from University of Wisconsin School of Medicine in 1991.
What drugs does Dr. Timothy J. Thompson prescribe most?
In 2024 Medicare Part D data, Dr. Thompson's most prescribed drugs by claims were Atorvastatin Calcium, Levothyroxine Sodium and Lisinopril.
Has Dr. Timothy J. Thompson received payments from drug or device companies?
CMS Open Payments shows $1,419 in general payments to Dr. Thompson from 17 companies from 2020 to 2024. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Timothy J. Thompson been practicing?
Dr. Thompson graduated from medical school in 1991, 35 years ago.
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