Gregory Madsen, PA-C
- Part D claims, 2024
- 181
- Hospital affiliations
- 1
- Medical group
- 1
- State licenses
- 2
- Year NPI issued
- 2005
- 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 Gregory Madsen'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.
Gregory Madsen is a physician assistant in Decorah, Iowa
Gregory Madsen practices at WinnMed in Decorah, Iowa, part of State of Iowa.
Gregory Madsen's NPI, 1760482251, was assigned on July 26, 2005. Gregory Madsen holds Iowa license 001757.
- NPI
- 1760482251NPI Registry (opens in a new tab)
- NPI enumeration date
- July 26, 2005
- NPI status
- Active
- Practice phone
- (563) 382-2911
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Gregory Madsen practices at WinnMed in Decorah, Iowa
Gregory Madsen'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
Gregory Madsen is affiliated with 2 sites of care and 1 medical group
Gregory Madsen's primary practice is WinnMed in Decorah, Iowa, part of State of Iowa. The medical group on file is WinnMed. Dmand AI also links Gregory Madsen to 1 more therapy and rehab clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Gregory Madsen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Gregory Madsen practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| WinnMed | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dmand AI maps EHR vendors, IT decision makers and buying committees across State of Iowa and 6.2K+ hospitals, with verified contacts in the same login.
Gregory Madsen is one of 1,210 physician assistants in Iowa
Physician assistant is Gregory Madsen's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Dmand AI has Gregory Madsen's licenses on file in 2 states: Iowa and Wisconsin.
Specialties and state licenses
- Physician assistant, IowaPrimary
- Emergency medicine, Wisconsin
Physician assistants near Gregory Madsen
Counts of 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
Gregory Madsen's patients have a median age of 61
Across all payers, Dmand AI patient panel data puts Gregory Madsen's median patient age at 61, with 60% women.
Gregory Madsen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women60%
- Men40%
Source: Dmand AI Patient Panel Data
Gregory Madsen wrote 181 Medicare Part D claims in 2024
In 2024, Gregory Madsen wrote 181 Medicare Part D claims for 149 patients. 86% of them were for generic drugs.
Gregory Madsen's Part D claims by kind of drug, 2024
- Generic156 claims86%
- Brand-name and other25 claims14%
Drug classes CMS tracks in Gregory Madsen's Part D claims, 2024
- Antibiotics69%124 of 181 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
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Sources for Gregory Madsen'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) |
| 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 Gregory Madsen
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Gregory Madsen's NPI number?
Gregory Madsen's NPI number is 1760482251. It was assigned on July 26, 2005, and it is active in the NPI Registry.
What does Gregory Madsen specialize in?
Gregory Madsen is a physician assistant in Decorah, Iowa. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Gregory Madsen practice?
Gregory Madsen practices at 901 Montgomery Street, Decorah, IA 52101. Gregory Madsen's primary practice is WinnMed in Decorah, Iowa, part of State of Iowa. Dmand AI also links Gregory Madsen to 1 therapy and rehab clinic.
What is Gregory Madsen's office phone number?
The practice phone on file for Gregory Madsen is (563) 382-2911.
What is Gregory Madsen's medical license number?
Gregory Madsen holds Iowa license 001757, one of the licenses on file in 2 states.
Which states has Gregory Madsen been licensed in?
Dmand AI has state licenses on file for Gregory Madsen in Iowa and Wisconsin.
Which hospitals is Gregory Madsen affiliated with?
Gregory Madsen practices at WinnMed in Decorah, Iowa.
What medical group is Gregory Madsen part of?
Gregory Madsen is linked to WinnMed.
How long has Gregory Madsen been practicing?
Gregory Madsen's NPI was assigned in 2005.
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