John M. Evelsizer Olson, PA-C
- Part D claims, 2024
- 418
- Hospital affiliations
- 4
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2010
- Practice address
- 901 Montgomery Street, Decorah, IA 52101
- Practice phone
- Call (563) 382-2911
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find John Evelsizer Olson'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 M. Evelsizer Olson is a surgical physician assistant in Decorah, Iowa
John Evelsizer Olson practices at WinnMed in Decorah, Iowa, part of State of Iowa.
John Evelsizer Olson's NPI, 1639483001, was assigned on July 28, 2010. John Evelsizer Olson graduated from University of Colorado School of Medicine, Denver in 2010. John Evelsizer Olson holds Iowa license 082179.
- NPI
- 1639483001NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5496940090
- NPI enumeration date
- July 28, 2010
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (563) 382-2911
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 42
- Medical school graduation
- 2010
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
John M. Evelsizer Olson practices at WinnMed in Decorah, Iowa
John Evelsizer Olson's primary practice is WinnMed, at 901 Montgomery Street, Decorah, IA 52101 in Winneshiek County. The practice phone is (563) 382-2911.
- WinnMed901 Montgomery Street, Decorah, IA 52101 · Winneshiek CountyPhone(563) 382-2911
Source: Dmand AI Affiliation Data
John M. Evelsizer Olson is affiliated with 5 sites of care and 1 medical group
John Evelsizer Olson's primary practice is WinnMed in Decorah, Iowa, part of State of Iowa. John Evelsizer Olson is also affiliated with Mayo Clinic Health System in La Crosse. The medical group on file is WinnMed. Dmand AI also links John Evelsizer Olson to 2 more hospitals and 1 therapy and rehab 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 John M. Evelsizer Olson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where John Evelsizer Olson practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| WinnMed | Available with a free account |
| +4 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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John M. Evelsizer Olson is one of 59 surgical physician assistants in Iowa
Surgical is John Evelsizer Olson's primary specialty in the NPI Registry, under taxonomy code 363AS0400X. John Evelsizer Olson is licensed in Iowa.
Specialties and state licenses
- Surgical physician assistant, IowaPrimary
Surgical physician assistants near John Evelsizer Olson
Counts of surgical physician assistants 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 M. Evelsizer Olson's patients have a median age of 74
Across all payers, Dmand AI patient panel data puts John Evelsizer Olson's median patient age at 74, with 60% women.
John Evelsizer Olson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women60%
- Men40%
Source: Dmand AI Patient Panel Data
John M. Evelsizer Olson wrote 418 Medicare Part D claims in 2024
In 2024, John Evelsizer Olson wrote 418 Medicare Part D claims for 185 patients. 99% of them were for generic drugs.
John Evelsizer Olson's Part D claims by kind of drug, 2024
- Generic413 claims99%
- Brand-name and other5 claims1%
Drug classes CMS tracks in John Evelsizer Olson's Part D claims, 2024
- Opioids28%118 of 418 claims
- Antibiotics5%19 of 418 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How John M. Evelsizer Olson takes part in Medicare
John Evelsizer Olson accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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John M. Evelsizer Olson graduated from University of Colorado School of Medicine, Denver
John Evelsizer Olson graduated from University of Colorado School of Medicine, Denver in 2010.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for John M. Evelsizer Olson'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 (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (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 M. Evelsizer Olson
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 M. Evelsizer Olson's NPI number?
John M. Evelsizer Olson's NPI number is 1639483001. It was assigned on July 28, 2010, and it is active in the NPI Registry.
What does John M. Evelsizer Olson specialize in?
John M. Evelsizer Olson is a surgical physician assistant in Decorah, Iowa. The primary specialty in the NPI Registry is Surgical Physician Assistant (taxonomy code 363AS0400X).
Where does John M. Evelsizer Olson practice?
John Evelsizer Olson practices at 901 Montgomery Street, Decorah, IA 52101. John Evelsizer Olson's primary practice is WinnMed in Decorah, Iowa, part of State of Iowa. Dmand AI also links John Evelsizer Olson to 2 hospitals and 1 therapy and rehab clinic.
What is John M. Evelsizer Olson's office phone number?
The practice phone on file for John Evelsizer Olson is (563) 382-2911.
What is John M. Evelsizer Olson's medical license number?
John Evelsizer Olson holds Iowa license 082179.
Which hospitals is John M. Evelsizer Olson affiliated with?
John Evelsizer Olson practices at WinnMed in Decorah, Iowa. John Evelsizer Olson is also affiliated with Mayo Clinic Health System in La Crosse. Dmand AI links John Evelsizer Olson to 2 more hospitals.
What medical group is John M. Evelsizer Olson part of?
John Evelsizer Olson is linked to WinnMed.
Does John M. Evelsizer Olson accept Medicare?
Yes. CMS lists John Evelsizer Olson as accepting Medicare assignment.
Where did John M. Evelsizer Olson go to medical school?
John Evelsizer Olson graduated from University of Colorado School of Medicine, Denver in 2010.
How long has John M. Evelsizer Olson been practicing?
John Evelsizer Olson graduated from medical school in 2010, 16 years ago.
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