Dr. Richard W. Clasen, MD
- Medicare services, 2017
- 740
- Part D claims, 2024
- 1,745
- Industry payments
- $431
- Affiliated sites
- 3
- Medical groups
- 2
- Practice address
- 2031 Peach St, Wisconsin Rapids, WI 54494
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Aspirus Doctors Clinic - HOPD
Acute Care Hospital outpatient department · Wisconsin Rapids, Wisconsin
Find Dr. Clasen'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. Richard W. Clasen is an internist in Wisconsin Rapids, Wisconsin
Dr. Clasen practices at Aspirus Doctors Clinic - HOPD in Wisconsin Rapids, Wisconsin.
Dr. Clasen's NPI, 1972521995, was assigned on July 17, 2006. Dr. Clasen graduated from University of Wisconsin School of Medicine in 1976. Dr. Clasen holds Wisconsin license 22783.
- NPI
- 1972521995NPI Registry (opens in a new tab)
- NPI enumeration date
- July 17, 2006
- NPI status
- Active
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 76
- Medical school graduation
- 1976
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Richard W. Clasen practices at Aspirus Doctors Clinic - HOPD in Wisconsin Rapids, Wisconsin
Dr. Clasen's primary practice is Aspirus Doctors Clinic - HOPD, at 2031 Peach St, Wisconsin Rapids, WI 54494.
- Aspirus Doctors Clinic - HOPD2031 Peach St, Wisconsin Rapids, WI 54494
Source: Dmand AI Affiliation Data
Dr. Richard W. Clasen is affiliated with 3 sites of care and 2 medical groups
Dr. Clasen's primary practice is Aspirus Doctors Clinic - HOPD in Wisconsin Rapids, Wisconsin. The medical group on file is Aspirus Medical Group. Dmand AI also links Dr. Clasen to 1 more group practice or clinic, 1 rural health clinic and 1 medical group, each named with a free account. Dr. Clasen's employer is on file too: a hospital.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Richard W. Clasen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Clasen practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Aspirus Doctors Clinic - HOPD | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Richard W. Clasen is one of 1,675 internists in Wisconsin
Internal medicine is Dr. Clasen's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Clasen is licensed in Wisconsin.
Specialties and state licenses
- Internal medicine, WisconsinPrimary
Internists near Dr. Clasen
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. Richard W. Clasen billed Medicare for 740 services in 2017
CMS data shows 740 Medicare services from Dr. Clasen across 5 procedure codes in 2017. Medicare paid $31,340 for them.
Dr. Clasen's Medicare services by type, 2016 to 2017
- 2016
- 2017
- Office and hospital visits
- 2016: 1,2972017: 74043%
Where Dr. Clasen's Medicare services took place, 2017
- In an office274%
- In a facility71396%
Dr. Clasen compared with the Wisconsin median for internists, 2017
- Dr. Clasen
- Wisconsin median
- Medicare services
- 740vs 45762% above
- Part D claims
- 1,417vs 4333.3 times
Medians across 1,658 internists in Wisconsin with Dmand AI profiles that report each measure.
Dr. Clasen's most billed Medicare procedure codes, 2017
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. Clasen and other internists in Wisconsin.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Richard W. Clasen's patients have a median age of 80
Across all payers, Dmand AI patient panel data puts Dr. Clasen's median patient age at 80, with 60% women.
Dr. Clasen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 80
Patient panel by sex, all payers
- Women60%
- Men39%
Source: Dmand AI Patient Panel Data
Dr. Richard W. Clasen wrote 1,745 Medicare Part D claims in 2024
In 2024, Dr. Clasen wrote 1,745 Medicare Part D claims for 69 patients. 65% of them were for generic drugs. CMS names the drug for 1,417 of them, across 41 drugs with 11 or more claims each, at $107,965 in total drug cost. In 2023, CMS named 12,132 claims across 178 drugs.
Dr. Clasen's Part D claims by kind of drug, 2024
- Generic1,133 claims65%
- Brand-name and other612 claims35%
Dr. Clasen'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 12,1322024: 1,41788%
Drugs named by CMS: 41 in 2024, 178 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. Richard W. Clasen received $431 in industry payments from 2016 to 2019
CMS Open Payments shows 15 general payments to Dr. Clasen from 3 drug and device companies from 2016 to 2019. Food and beverage make up the largest share, 99% of the total. Janssen Pharmaceuticals, Inc paid the most, $249.
General payments to Dr. Clasen by program year, 2016 to 2019
General payments to Dr. Clasen by kind, 2016 to 2019
- Food and beverage$42999%
- Education$21%
Companies that paid Dr. Clasen the most, 2016 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Richard W. Clasen graduated from University of Wisconsin School of Medicine
Dr. Clasen graduated from University of Wisconsin School of Medicine in 1976.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Richard W. Clasen'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 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) |
| 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. Richard W. Clasen
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. Richard W. Clasen's NPI number?
Dr. Richard W. Clasen's NPI number is 1972521995. It was assigned on July 17, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Richard W. Clasen?
Dr. Richard W. Clasen is an internist in Wisconsin Rapids, Wisconsin. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Richard W. Clasen practice?
Dr. Clasen practices at 2031 Peach St, Wisconsin Rapids, WI 54494. Dr. Clasen's primary practice is Aspirus Doctors Clinic - HOPD in Wisconsin Rapids, Wisconsin. Dmand AI also links Dr. Clasen to 1 group practice or clinic, 1 rural health clinic and 1 medical group.
What is Dr. Richard W. Clasen's medical license number?
Dr. Clasen holds Wisconsin license 22783.
What medical group is Dr. Richard W. Clasen part of?
Dr. Clasen is linked to Aspirus Medical Group. Dmand AI links Dr. Clasen to 1 more medical group.
Does Dr. Richard W. Clasen accept Medicare?
Yes. CMS data shows Dr. Clasen billed Medicare for 740 services in 2017.
What services does Dr. Richard W. Clasen bill to Medicare?
In 2017, Dr. Clasen's most billed Medicare services were nursing facility care (99307), nursing facility care (99304) and nursing facility care (99315).
Where did Dr. Richard W. Clasen go to medical school?
Dr. Clasen graduated from University of Wisconsin School of Medicine in 1976.
What drugs does Dr. Richard W. Clasen prescribe most?
In 2024 Medicare Part D data, Dr. Clasen's most prescribed drugs by claims were Furosemide, Atorvastatin Calcium and Levothyroxine Sodium.
Has Dr. Richard W. Clasen received payments from drug or device companies?
CMS Open Payments shows $431 in general payments to Dr. Clasen from 3 companies from 2016 to 2019. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Richard W. Clasen been practicing?
Dr. Clasen graduated from medical school in 1976, 50 years ago.
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