Rebecca Lynn Deffner, NP
- Medicare patients, 2024
- 147
- Part D claims, 2024
- 3,566
- MIPS score, 2024
- 88
- Hospital affiliations
- 2
- Medical group
- 1
- Practice address
- 1881 County Rd, Mosinee, WI 54455
- Practice phone
- Call (715) 355-4040
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Aspirus Kronenwetter Clinic
Mosinee, Wisconsin
Find Rebecca Deffner'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.
Rebecca Lynn Deffner is a family nurse practitioner in Mosinee, Wisconsin
Rebecca Deffner practices at Aspirus Kronenwetter Clinic in Mosinee, Wisconsin.
Rebecca Deffner's NPI, 1578819256, was assigned on July 31, 2012. Rebecca Deffner holds Wisconsin license 2012007838.
- NPI
- 1578819256NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1759534936
- NPI enumeration date
- July 31, 2012
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (715) 355-4040
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 40
- Medical school graduation
- 2012
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Rebecca Lynn Deffner practices at Aspirus Kronenwetter Clinic in Mosinee, Wisconsin
Rebecca Deffner's primary practice is Aspirus Kronenwetter Clinic, at 1881 County Rd, Mosinee, WI 54455 in Marathon County. The practice phone is (715) 355-4040.
- Aspirus Kronenwetter Clinic1881 County Rd, Mosinee, WI 54455 · Marathon CountyPhone(715) 355-4040
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Rebecca Lynn Deffner is affiliated with 4 sites of care and 1 medical group
Rebecca Deffner's primary practice is Aspirus Kronenwetter Clinic in Mosinee, Wisconsin. Rebecca Deffner is also affiliated with Aspirus Wausau Hospital. The medical group on file is Aspirus Medical Group. Dmand AI also links Rebecca Deffner to 1 more hospital and 1 hospice, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Rebecca Lynn Deffner's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Rebecca Deffner practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Aspirus Kronenwetter Clinic | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Rebecca Lynn Deffner is one of 2,261 family nurse practitioners in Wisconsin
Family is Rebecca Deffner's primary specialty in the NPI Registry, under taxonomy code 363LF0000X. Rebecca Deffner is licensed in Wisconsin.
Specialties and state licenses
- Family nurse practitioner, WisconsinPrimary
Family nurse practitioners near Rebecca Deffner
Counts of family 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
Rebecca Lynn Deffner treated 147 Medicare patients in 2024, average age 71
CMS counts 147 Medicare patients who saw Rebecca Deffner in 2024. The largest group is 65 to 74, with 74 patients. 75% of them have high cholesterol, and 67% have high blood pressure. 16% are also on Medicaid. Their average risk score is 0.98, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Rebecca Deffner's median patient age at 52, with 77% women.
Rebecca Deffner's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Rebecca Deffner's Medicare patients by sex, 2024
- Women10672%
- Men4128%
Chronic conditions among Rebecca Deffner's Medicare patients, 2024
- High cholesterol75%
- High blood pressure67%
- Arthritis43%
- Diabetes26%
- Anxiety25%
- Mood disorders21%
- Depression20%
- Cancer18%
Share of Medicare patients with each condition. A patient can have several.
Rebecca Deffner's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 52
Patient panel by sex, all payers
- Women77%
- Men23%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Rebecca Lynn Deffner wrote 3,566 Medicare Part D claims in 2024
In 2024, Rebecca Deffner wrote 3,566 Medicare Part D claims for 333 patients. 89% of them were for generic drugs.
Rebecca Deffner's Part D claims by kind of drug, 2024
- Generic3,181 claims89%
- Brand-name365 claims10%
- Other20 claims1%
Drug classes CMS tracks in Rebecca Deffner's Part D claims, 2024
- Opioids3%102 of 3,566 claims
- Antibiotics2%71 of 3,566 claims
- Antipsychotics, patients 65 and over1%30 of 3,566 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
Rebecca Lynn Deffner scored 88 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 88 out of 100 for Rebecca Deffner for performance year 2024, reported as part of a group. Rebecca Deffner accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Rebecca Deffner's MIPS scores, performance year 2024
- 88of 100Final score
- 77.6of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 78of 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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Sources for Rebecca Lynn Deffner'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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) |
| 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 Rebecca Lynn Deffner
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Rebecca Lynn Deffner's NPI number?
Rebecca Lynn Deffner's NPI number is 1578819256. It was assigned on July 31, 2012, and it is active in the NPI Registry.
What does Rebecca Lynn Deffner specialize in?
Rebecca Lynn Deffner is a family nurse practitioner in Mosinee, Wisconsin. The primary specialty in the NPI Registry is Family Nurse Practitioner (taxonomy code 363LF0000X).
Where does Rebecca Lynn Deffner practice?
Rebecca Deffner practices at 1881 County Rd, Mosinee, WI 54455. Rebecca Deffner's primary practice is Aspirus Kronenwetter Clinic in Mosinee, Wisconsin. Dmand AI also links Rebecca Deffner to 1 hospital and 1 hospice.
What is Rebecca Lynn Deffner's office phone number?
The practice phone on file for Rebecca Deffner is (715) 355-4040.
What is Rebecca Lynn Deffner's medical license number?
Rebecca Deffner holds Wisconsin license 2012007838.
Which hospitals is Rebecca Lynn Deffner affiliated with?
Rebecca Deffner is affiliated with Aspirus Wausau Hospital. Dmand AI links Rebecca Deffner to 1 more hospital.
What medical group is Rebecca Lynn Deffner part of?
Rebecca Deffner is linked to Aspirus Medical Group.
Does Rebecca Lynn Deffner accept Medicare?
Yes. CMS lists Rebecca Deffner as accepting Medicare assignment.
What is Rebecca Lynn Deffner's MIPS score?
Rebecca Deffner's MIPS final score for performance year 2024 is 88 out of 100, reported as part of a group.
How many Medicare patients does Rebecca Lynn Deffner see?
CMS counts 147 Medicare patients who saw Rebecca Deffner in 2024, with an average age of 71.
How long has Rebecca Lynn Deffner been practicing?
Rebecca Deffner graduated from medical school in 2012, 14 years ago.
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