Jean L. Westendorf, ARNP
- Part D claims, 2024
- 24
- MIPS score, 2024
- 82
- Hospital affiliations
- 2
- Industry payments
- $18
- Medical group
- 1
- Practice address
- 1000 Fourth Street SW, Mason City, IA 50401
- Practice phone
- Call (641) 428-7000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Jean Westendorf'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.
Jean L. Westendorf is a nurse practitioner in Mason City, Iowa
Jean Westendorf practices at MercyOne North Iowa Medical Center in Mason City, Iowa, part of Trinity Health.
Jean Westendorf's NPI, 1083609929, was assigned on September 16, 2005. Jean Westendorf holds Iowa license 039850.
- NPI
- 1083609929NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3375726193
- NPI enumeration date
- September 16, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (641) 428-7000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 79
- Medical school graduation
- 1973
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Jean L. Westendorf practices at MercyOne North Iowa Medical Center in Mason City, Iowa
Jean Westendorf's primary practice is MercyOne North Iowa Medical Center, at 1000 Fourth Street SW, Mason City, IA 50401 in Cerro Gordo County. The practice phone is (641) 428-7000.
- MercyOne North Iowa Medical Center1000 Fourth Street SW, Mason City, IA 50401 · Cerro Gordo CountyPhone(641) 428-7000
Source: Dmand AI Affiliation Data
Jean L. Westendorf is affiliated with 4 sites of care and 1 medical group
Jean Westendorf's primary practice is MercyOne North Iowa Medical Center in Mason City, Iowa, part of Trinity Health. The medical group on file is MercyOne North Iowa Anesthesia Professional Services. Dmand AI also links Jean Westendorf to 1 more hospital, 1 group practice or clinic and 1 hospice, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Jean L. Westendorf's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Jean Westendorf practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| MercyOne North Iowa Medical Center | Available with a free account |
| +3 more affiliated sites | 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 Trinity Health and 6.2K+ hospitals, with verified contacts in the same login.
Jean L. Westendorf is one of 1,051 nurse practitioners in Iowa
Nurse practitioner is Jean Westendorf's primary specialty in the NPI Registry, under taxonomy code 363L00000X. Jean Westendorf is licensed in Iowa.
Specialties and state licenses
- Nurse practitioner, IowaPrimary
Nurse practitioners near Jean Westendorf
Counts of nurse practitioners 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
Jean L. Westendorf's patients have a median age of 11
Across all payers, Dmand AI patient panel data puts Jean Westendorf's median patient age at 11, with 42% women.
Jean Westendorf's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 11
Patient panel by sex, all payers
- Women42%
- Men58%
Source: Dmand AI Patient Panel Data
Jean L. Westendorf wrote 24 Medicare Part D claims in 2024
In 2024, Jean Westendorf wrote 24 Medicare Part D claims. 92% of them were for generic drugs.
Jean Westendorf's Part D claims by kind of drug, 2024
- Generic22 claims92%
- Brand-name and other2 claims8%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Jean L. Westendorf scored 82 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 82 out of 100 for Jean Westendorf for performance year 2024, reported as part of a group. Jean Westendorf accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Jean Westendorf's MIPS scores, performance year 2024
- 82of 100Final score
- 73.9of 100Quality
- 93of 100Promoting Interoperability
- 40of 100Improvement Activities
- 70of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Jean L. Westendorf received $18 in industry payments in 2025
CMS Open Payments shows 1 general payment to Jean Westendorf from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Inspire Medical Systems, Inc. paid the most, $18.
Companies that paid Jean Westendorf the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Jean L. Westendorf'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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (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 Jean L. Westendorf
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Jean L. Westendorf's NPI number?
Jean L. Westendorf's NPI number is 1083609929. It was assigned on September 16, 2005, and it is active in the NPI Registry.
What does Jean L. Westendorf specialize in?
Jean L. Westendorf is a nurse practitioner in Mason City, Iowa. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).
Where does Jean L. Westendorf practice?
Jean Westendorf practices at 1000 Fourth Street SW, Mason City, IA 50401. Jean Westendorf's primary practice is MercyOne North Iowa Medical Center in Mason City, Iowa, part of Trinity Health. Dmand AI also links Jean Westendorf to 1 hospital, 1 group practice or clinic and 1 hospice.
What is Jean L. Westendorf's office phone number?
The practice phone on file for Jean Westendorf is (641) 428-7000.
What is Jean L. Westendorf's medical license number?
Jean Westendorf holds Iowa license 039850.
Which hospitals is Jean L. Westendorf affiliated with?
Jean Westendorf practices at MercyOne North Iowa Medical Center in Mason City, Iowa. Dmand AI links Jean Westendorf to 1 more hospital.
What medical group is Jean L. Westendorf part of?
Jean Westendorf is linked to MercyOne North Iowa Anesthesia Professional Services.
Does Jean L. Westendorf accept Medicare?
Yes. CMS lists Jean Westendorf as accepting Medicare assignment.
What is Jean L. Westendorf's MIPS score?
Jean Westendorf's MIPS final score for performance year 2024 is 82 out of 100, reported as part of a group.
Has Jean L. Westendorf received payments from drug or device companies?
CMS Open Payments shows $18 in general payments to Jean Westendorf from 1 company from 2025 to 2025. The largest total came from Inspire Medical Systems, Inc.
How long has Jean L. Westendorf been practicing?
Jean Westendorf graduated from medical school in 1973, 53 years ago.
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