Dr. Kim R. Riess-Sagers, MD
- Medicare services, 2020
- 973
- Part D claims, 2024
- 20
- Hospital affiliations
- 1
- Industry payments
- $156
- Medical group
- 1
- Practice address
- 800 Riverside Drive, Waupaca, WI 54981
- Practice phone
- Call (715) 258-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Riess-Sagers' professional email, personal email and mobile number
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Dr. Kim R. Riess-Sagers is a nephrologist in Waupaca, Wisconsin
Dr. Riess-Sagers practices at ThedaCare Medical Center-Waupaca in Waupaca, Wisconsin, part of Froedtert ThedaCare Health.
Dr. Riess-Sagers' NPI, 1235173121, was assigned on June 15, 2006. Dr. Riess-Sagers holds Wisconsin license 32361.
- NPI
- 1235173121NPI Registry (opens in a new tab)
- NPI enumeration date
- June 15, 2006
- NPI status
- Active
- Practice phone
- (715) 258-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Kim R. Riess-Sagers practices at ThedaCare Medical Center-Waupaca in Waupaca, Wisconsin
Dr. Riess-Sagers' primary practice is ThedaCare Medical Center-Waupaca, at 800 Riverside Drive, Waupaca, WI 54981 in Waupaca County. The practice phone is (715) 258-1000.
- ThedaCare Medical Center-Waupaca800 Riverside Drive, Waupaca, WI 54981 · Waupaca CountyPhone(715) 258-1000
Source: Dmand AI Affiliation Data
Dr. Kim R. Riess-Sagers is affiliated with 1 site of care and 1 medical group
Dr. Riess-Sagers' primary practice is ThedaCare Medical Center-Waupaca in Waupaca, Wisconsin, part of Froedtert ThedaCare Health. The medical group on file is Prevea Health.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Kim R. Riess-Sagers' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Riess-Sagers practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| ThedaCare Medical Center-Waupaca | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Froedtert ThedaCare Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Kim R. Riess-Sagers is one of 168 nephrologists in Wisconsin
Nephrology is Dr. Riess-Sagers' primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Riess-Sagers is licensed in Wisconsin.
Specialties and state licenses
- Nephrology, WisconsinPrimary
Nephrologists near Dr. Riess-Sagers
Counts of nephrologists 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. Kim R. Riess-Sagers billed Medicare for 973 services in 2020
CMS data shows 973 Medicare services from Dr. Riess-Sagers across 17 procedure codes in 2020. Medicare paid $95,778 for them.
Dr. Riess-Sagers' Medicare services by type, 2019 to 2020
- 2019
- 2020
- Tests and treatments
- 2019: 6522020: 54017%
- Office and hospital visits
- 2019: 2872020: 32011%
- Lab and pathology
- 2019: 122020: 72500%
- Surgery
- 2019: 02020: 41
Where Dr. Riess-Sagers' Medicare services took place, 2020
- In an office81083%
- In a facility16317%
Dr. Riess-Sagers compared with the Wisconsin median for nephrologists, 2020
- Dr. Riess-Sagers
- Wisconsin median
- Medicare services
- 973vs 67744% above
- Part D claims
- 117vs 65182% below
Medians across 167 nephrologists in Wisconsin with Dmand AI profiles that report each measure.
Dr. Riess-Sagers' most billed Medicare procedure codes, 2020
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Riess-Sagers?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Riess-Sagers and other nephrologists in Wisconsin.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Kim R. Riess-Sagers' patients have a median age of 69
Across all payers, Dmand AI patient panel data puts Dr. Riess-Sagers' median patient age at 69, with 25% women.
Dr. Riess-Sagers' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women25%
- Men75%
Source: Dmand AI Patient Panel Data
Dr. Kim R. Riess-Sagers wrote 20 Medicare Part D claims in 2024
In 2024, Dr. Riess-Sagers wrote 20 Medicare Part D claims. 100% of them were for generic drugs. They cover 7 drugs, with $6,122 in total drug cost. In 2020, CMS named 625 claims across 24 drugs.
Dr. Riess-Sagers' most prescribed drugs by claims, 2021
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, 2020 to 2021
- 2020
- 2021
- Claims for drugs CMS names
- 2020: 6252021: 11781%
Drugs named by CMS: 7 in 2021, 24 in 2020.
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. Kim R. Riess-Sagers received $156 in industry payments from 2016 to 2018
CMS Open Payments shows 11 general payments to Dr. Riess-Sagers from 2 drug and device companies from 2016 to 2018. Food and beverage make up the largest share, 100% of the total. Genentech, Inc. paid the most, $129.
General payments to Dr. Riess-Sagers by program year, 2016 to 2018
Companies that paid Dr. Riess-Sagers the most, 2016 to 2018
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Kim R. Riess-Sagers'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 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) |
| 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. Kim R. Riess-Sagers
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. Kim R. Riess-Sagers' NPI number?
Dr. Kim R. Riess-Sagers' NPI number is 1235173121. It was assigned on June 15, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Kim R. Riess-Sagers?
Dr. Kim R. Riess-Sagers is a nephrologist in Waupaca, Wisconsin. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).
Where does Dr. Kim R. Riess-Sagers practice?
Dr. Riess-Sagers practices at 800 Riverside Drive, Waupaca, WI 54981. Dr. Riess-Sagers' primary practice is ThedaCare Medical Center-Waupaca in Waupaca, Wisconsin, part of Froedtert ThedaCare Health.
What is Dr. Kim R. Riess-Sagers' office phone number?
The practice phone on file for Dr. Riess-Sagers is (715) 258-1000.
What is Dr. Kim R. Riess-Sagers' medical license number?
Dr. Riess-Sagers holds Wisconsin license 32361.
Which hospitals is Dr. Kim R. Riess-Sagers affiliated with?
Dr. Riess-Sagers practices at ThedaCare Medical Center-Waupaca in Waupaca, Wisconsin.
What medical group is Dr. Kim R. Riess-Sagers part of?
Dr. Riess-Sagers is linked to Prevea Health.
Does Dr. Kim R. Riess-Sagers accept Medicare?
Yes. CMS data shows Dr. Riess-Sagers billed Medicare for 973 services in 2020.
What services does Dr. Kim R. Riess-Sagers bill to Medicare?
In 2020, Dr. Riess-Sagers' most billed Medicare services were dialysis (90960), dialysis (90970) and office visit, established patient (99214).
What drugs does Dr. Kim R. Riess-Sagers prescribe most?
In 2021 Medicare Part D data, Dr. Riess-Sagers' most prescribed drugs by claims were Calcitriol, Furosemide and Amlodipine Besylate.
Has Dr. Kim R. Riess-Sagers received payments from drug or device companies?
CMS Open Payments shows $156 in general payments to Dr. Riess-Sagers from 2 companies from 2016 to 2018. The largest total came from Genentech, Inc.
How long has Dr. Kim R. Riess-Sagers been practicing?
Dr. Riess-Sagers' NPI was assigned in 2006.
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