Dr. William N. Calkins, MD
- Part D claims, 2024
- 8,073
- Hospital affiliations
- 2
- Medical groups
- 2
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 1910 South Ave, Heritage Building 2 West, La Crosse, WI 54601
- Practice phone
- Call (608) 775-3176
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Gundersen Lutheran Medical Center - Dialysis
Dialysis Center - Hospital-Based · La Crosse, Wisconsin
Find Dr. Calkins' 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. William N. Calkins is a general practice physician in La Crosse, Wisconsin
Dr. Calkins practices at Gundersen Lutheran Medical Center - Dialysis in La Crosse, Wisconsin.
Dr. Calkins' NPI, 1508809658, was assigned on June 14, 2006. Dr. Calkins graduated from University of Wisconsin School of Medicine in 1977. Dr. Calkins holds Wisconsin license 21970.
- NPI
- 1508809658NPI Registry (opens in a new tab)
- NPI enumeration date
- June 14, 2006
- NPI status
- Active
- Practice phone
- (608) 775-3176
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 75
- Medical school graduation
- 1977
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. William N. Calkins practices at Gundersen Lutheran Medical Center - Dialysis in La Crosse, Wisconsin
Dr. Calkins' primary practice is Gundersen Lutheran Medical Center - Dialysis, at 1910 South Ave, Heritage Building 2 West, La Crosse, WI 54601 in La Crosse County. The practice phone is (608) 775-3176.
- Gundersen Lutheran Medical Center - Dialysis1910 South Ave, Heritage Building 2 West, La Crosse, WI 54601 · La Crosse CountyPhone(608) 775-3176
Source: Dmand AI Affiliation Data
Dr. William N. Calkins is affiliated with 4 sites of care and 2 medical groups
Dr. Calkins' primary practice is Gundersen Lutheran Medical Center - Dialysis in La Crosse, Wisconsin. Dr. Calkins is also affiliated with Gundersen Lutheran Medical Center. The medical group on file is Gundersen Lutheran Medical Center. Dmand AI also links Dr. Calkins to 1 more hospital, 1 rural health clinic and 1 medical group, each named with a free account. Dr. Calkins' employer is on file too: a dialysis center.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. William N. Calkins' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Calkins practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Gundersen Lutheran Medical Center - Dialysis | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. William N. Calkins is one of 64 general practice physicians in Wisconsin
General practice is Dr. Calkins' primary specialty in the NPI Registry, under taxonomy code 208D00000X. Dr. Calkins is licensed in Wisconsin.
Specialties and state licenses
- General practice, WisconsinPrimary
General practice physicians near Dr. Calkins
Counts of general practice physicians 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. William N. Calkins' patients have a median age of 62
Across all payers, Dmand AI patient panel data puts Dr. Calkins' median patient age at 62, with 38% women.
Dr. Calkins' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women38%
- Men62%
Source: Dmand AI Patient Panel Data
Dr. William N. Calkins wrote 8,073 Medicare Part D claims in 2024
In 2024, Dr. Calkins wrote 8,073 Medicare Part D claims for 263 patients. 92% of them were for generic drugs. CMS names the drug for 7,631 of them, across 102 drugs with 11 or more claims each, at $194,910 in total drug cost. In 2023, CMS named 5,530 claims across 94 drugs.
Dr. Calkins' Part D claims by kind of drug, 2024
- Generic7,418 claims92%
- Brand-name599 claims7%
- Other56 claims1%
Dr. Calkins' 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. Calkins' Part D claims, 2024
- Opioids4%292 of 8,073 claims
- Antibiotics3%216 of 8,073 claims
- Antipsychotics, patients 65 and over1%109 of 8,073 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: 5,5302024: 7,63138%
Drugs named by CMS: 102 in 2024, 94 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. William N. Calkins graduated from University of Wisconsin School of Medicine
Dr. Calkins graduated from University of Wisconsin School of Medicine in 1977.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. William N. Calkins'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 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) |
| 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. William N. Calkins
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What is Dr. William N. Calkins' NPI number?
Dr. William N. Calkins' NPI number is 1508809658. It was assigned on June 14, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. William N. Calkins?
Dr. William N. Calkins is a general practice physician in La Crosse, Wisconsin. The primary specialty in the NPI Registry is General Practice Physician (taxonomy code 208D00000X).
Where does Dr. William N. Calkins practice?
Dr. Calkins practices at 1910 South Ave, Heritage Building 2 West, La Crosse, WI 54601. Dr. Calkins' primary practice is Gundersen Lutheran Medical Center - Dialysis in La Crosse, Wisconsin. Dmand AI also links Dr. Calkins to 1 hospital, 1 rural health clinic and 1 medical group.
What is Dr. William N. Calkins' office phone number?
The practice phone on file for Dr. Calkins is (608) 775-3176.
What is Dr. William N. Calkins' medical license number?
Dr. Calkins holds Wisconsin license 21970.
Which hospitals is Dr. William N. Calkins affiliated with?
Dr. Calkins is affiliated with Gundersen Lutheran Medical Center. Dmand AI links Dr. Calkins to 1 more hospital.
What medical group is Dr. William N. Calkins part of?
Dr. Calkins is linked to Gundersen Lutheran Medical Center. Dmand AI links Dr. Calkins to 1 more medical group.
Where did Dr. William N. Calkins go to medical school?
Dr. Calkins graduated from University of Wisconsin School of Medicine in 1977.
What drugs does Dr. William N. Calkins prescribe most?
In 2024 Medicare Part D data, Dr. Calkins' most prescribed drugs by claims were Metoprolol Succinate, Omeprazole and Furosemide.
How long has Dr. William N. Calkins been practicing?
Dr. Calkins graduated from medical school in 1977, 49 years ago.
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