John S. Purdue, OD
- Medicare patients, 2024
- 534
- Part D claims, 2024
- 898
- Affiliated sites
- 3
- Medical groups
- 2
- State license
- 1
- 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 John Purdue'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.
John S. Purdue is an optometrist in La Crosse, Wisconsin
John Purdue practices at Gundersen Lutheran Medical Center - Dialysis in La Crosse, Wisconsin.
John Purdue's NPI, 1467456830, was assigned on June 13, 2005. John Purdue graduated from Illinois College of Optometry at Chicago in 1981. John Purdue holds Wisconsin license 1826.
- NPI
- 1467456830NPI Registry (opens in a new tab)
- NPI enumeration date
- June 13, 2005
- NPI status
- Active
- Practice phone
- (608) 775-3176
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 71
- Medical school graduation
- 1981
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
John S. Purdue practices at Gundersen Lutheran Medical Center - Dialysis in La Crosse, Wisconsin
John Purdue's 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
John S. Purdue is affiliated with 3 sites of care and 2 medical groups
John Purdue's primary practice is Gundersen Lutheran Medical Center - Dialysis in La Crosse, Wisconsin. The medical group on file is Gundersen Lutheran Medical Center. Dmand AI also links John Purdue to 2 more group practices and clinics and 1 medical group, each named with a free account. John Purdue's 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 John S. Purdue's practice
Dmand AI tracks the electronic health record (EHR) system at each site where John Purdue practices, 3 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 |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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John S. Purdue is one of 946 optometrists in Wisconsin
Optometrist is John Purdue's primary specialty in the NPI Registry, under taxonomy code 152W00000X. John Purdue is licensed in Wisconsin.
Specialties and state licenses
- Optometrist, WisconsinPrimary
Optometrists near John Purdue
Counts of optometrists 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
John S. Purdue treated 534 Medicare patients in 2024, average age 73
CMS counts 534 Medicare patients who saw John Purdue in 2024. The largest group is 65 to 74, with 284 patients. 67% of them have high blood pressure, and 64% have high cholesterol. 12% are also on Medicaid. Their average risk score is 0.94, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts John Purdue's median patient age at 73, with 50% women.
John Purdue's Medicare patients by age, 2024
John Purdue's Medicare patients by sex, 2024
- Women31158%
- Men22342%
Chronic conditions among John Purdue's Medicare patients, 2024
- High blood pressure67%
- High cholesterol64%
- Arthritis37%
- Diabetes29%
- Chronic kidney disease28%
- Anxiety19%
- Mood disorders19%
- Depression18%
Share of Medicare patients with each condition. A patient can have several.
John Purdue's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women50%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
John S. Purdue wrote 898 Medicare Part D claims in 2024
In 2024, John Purdue wrote 898 Medicare Part D claims for 178 patients. 64% of them were for generic drugs.
John Purdue's Part D claims by kind of drug, 2024
- Generic576 claims64%
- Brand-name322 claims36%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
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John S. Purdue graduated from Illinois College of Optometry at Chicago
John Purdue graduated from Illinois College of Optometry at Chicago in 1981.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for John S. Purdue'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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | 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 John S. Purdue
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is John S. Purdue's NPI number?
John S. Purdue's NPI number is 1467456830. It was assigned on June 13, 2005, and it is active in the NPI Registry.
What does John S. Purdue specialize in?
John S. Purdue is an optometrist in La Crosse, Wisconsin. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does John S. Purdue practice?
John Purdue practices at 1910 South Ave, Heritage Building 2 West, La Crosse, WI 54601. John Purdue's primary practice is Gundersen Lutheran Medical Center - Dialysis in La Crosse, Wisconsin. Dmand AI also links John Purdue to 2 group practices and clinics and 1 medical group.
What is John S. Purdue's office phone number?
The practice phone on file for John Purdue is (608) 775-3176.
What is John S. Purdue's medical license number?
John Purdue holds Wisconsin license 1826.
What medical group is John S. Purdue part of?
John Purdue is linked to Gundersen Lutheran Medical Center. Dmand AI links John Purdue to 1 more medical group.
How many Medicare patients does John S. Purdue see?
CMS counts 534 Medicare patients who saw John Purdue in 2024, with an average age of 73.
Where did John S. Purdue go to medical school?
John Purdue graduated from Illinois College of Optometry at Chicago in 1981.
How long has John S. Purdue been practicing?
John Purdue graduated from medical school in 1981, 45 years ago.
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