Amy M. Fellenz, DNP
- Medicare patients, 2024
- 162
- Part D claims, 2024
- 919
- MIPS score, 2024
- 81
- Hospital affiliations
- 1
- Industry payments
- $107
- Practice address
- 611 St Joseph Ave, Marshfield, WI 54449
- Practice phone
- Call (715) 387-9963
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Amy Fellenz'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.
Amy M. Fellenz is a nurse practitioner in Marshfield, Wisconsin
Amy Fellenz practices at Marshfield Medical Center - Marshfield in Marshfield, Wisconsin, part of Sanford Health.
Amy Fellenz's NPI, 1619534690, was assigned on May 24, 2019. Amy Fellenz holds Wisconsin license 9374.
- NPI
- 1619534690NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1658608633
- NPI enumeration date
- May 24, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (715) 387-9963
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 33
- Medical school graduation
- 2019
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Amy M. Fellenz practices at Marshfield Medical Center - Marshfield in Marshfield, Wisconsin
Amy Fellenz's primary practice is Marshfield Medical Center - Marshfield, at 611 St Joseph Ave, Marshfield, WI 54449 in Wood County. The practice phone is (715) 387-9963.
- Marshfield Medical Center - Marshfield611 St Joseph Ave, Marshfield, WI 54449 · Wood CountyPhone(715) 387-9963
Source: Dmand AI Affiliation Data
Amy M. Fellenz is affiliated with 6 sites of care and 6 medical groups
Amy Fellenz's primary practice is Marshfield Medical Center - Marshfield in Marshfield, Wisconsin, part of Sanford Health. The medical group on file is Marshfield Clinic Health System. Dmand AI also links Amy Fellenz to 5 more group practices and clinics and 5 medical groups, each named with a free account. Amy Fellenz's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Amy M. Fellenz's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Amy Fellenz practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Marshfield Medical Center - Marshfield | Available with a free account |
| +5 more sites and 5 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Sanford Health and 6.2K+ hospitals, with verified contacts in the same login.
Amy M. Fellenz is one of 3,198 nurse practitioners in Wisconsin
Nurse practitioner is Amy Fellenz's primary specialty in the NPI Registry, under taxonomy code 363L00000X. Amy Fellenz is licensed in Wisconsin.
Specialties and state licenses
- Nurse practitioner, WisconsinPrimary
Nurse practitioners near Amy Fellenz
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
Amy M. Fellenz treated 162 Medicare patients in 2024, average age 73
CMS counts 162 Medicare patients who saw Amy Fellenz in 2024. The largest group is 75 to 84, with 61 patients. 75% of them have high blood pressure, and 70% have high cholesterol. 31% are also on Medicaid. Their average risk score is 2.39, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Amy Fellenz's median patient age at 72, with 47% women.
Amy Fellenz's Medicare patients by age, 2024
Amy Fellenz's Medicare patients by sex, 2024
- Women6842%
- Men9458%
Chronic conditions among Amy Fellenz's Medicare patients, 2024
- High blood pressure75%
- High cholesterol70%
- Anxiety38%
- Chronic kidney disease38%
- Diabetes36%
- Ischemic heart disease35%
- Arthritis33%
- Mood disorders33%
Share of Medicare patients with each condition. A patient can have several.
Amy Fellenz's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women47%
- Men53%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Amy M. Fellenz wrote 919 Medicare Part D claims in 2024
In 2024, Amy Fellenz wrote 919 Medicare Part D claims for 201 patients. 86% of them were for generic drugs.
Amy Fellenz's Part D claims by kind of drug, 2024
- Generic786 claims86%
- Brand-name133 claims14%
Drug classes CMS tracks in Amy Fellenz's Part D claims, 2024
- Antibiotics11%105 of 919 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
Amy M. Fellenz scored 81 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 81 out of 100 for Amy Fellenz for performance year 2024, reported as part of a group. Amy Fellenz accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Amy Fellenz's MIPS scores, performance year 2024
- 81of 100Final score
- 55.5of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 71of 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
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Amy M. Fellenz received $107 in industry payments in 2025
CMS Open Payments shows 3 general payments to Amy Fellenz from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Stryker Corporation paid the most, $67.
Companies that paid Amy Fellenz 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 Amy M. Fellenz'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) |
| 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 Amy M. Fellenz
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Amy M. Fellenz's NPI number?
Amy M. Fellenz's NPI number is 1619534690. It was assigned on May 24, 2019, and it is active in the NPI Registry.
What does Amy M. Fellenz specialize in?
Amy M. Fellenz is a nurse practitioner in Marshfield, Wisconsin. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).
Where does Amy M. Fellenz practice?
Amy Fellenz practices at 611 St Joseph Ave, Marshfield, WI 54449. Amy Fellenz's primary practice is Marshfield Medical Center - Marshfield in Marshfield, Wisconsin, part of Sanford Health. Dmand AI also links Amy Fellenz to 5 group practices and clinics and 5 medical groups.
What is Amy M. Fellenz's office phone number?
The practice phone on file for Amy Fellenz is (715) 387-9963.
What is Amy M. Fellenz's medical license number?
Amy Fellenz holds Wisconsin license 9374.
Which hospitals is Amy M. Fellenz affiliated with?
Amy Fellenz practices at Marshfield Medical Center - Marshfield in Marshfield, Wisconsin.
What medical group is Amy M. Fellenz part of?
Amy Fellenz is linked to Marshfield Clinic Health System. Dmand AI links Amy Fellenz to 5 more medical groups.
Does Amy M. Fellenz accept Medicare?
Yes. CMS lists Amy Fellenz as accepting Medicare assignment.
What is Amy M. Fellenz's MIPS score?
Amy Fellenz's MIPS final score for performance year 2024 is 81 out of 100, reported as part of a group.
How many Medicare patients does Amy M. Fellenz see?
CMS counts 162 Medicare patients who saw Amy Fellenz in 2024, with an average age of 73.
Has Amy M. Fellenz received payments from drug or device companies?
CMS Open Payments shows $107 in general payments to Amy Fellenz from 2 companies from 2025 to 2025. The largest total came from Stryker Corporation.
How long has Amy M. Fellenz been practicing?
Amy Fellenz graduated from medical school in 2019, 7 years ago.
Selling to nurse practitioner practices?
See nurse practitioners in Wisconsin by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card