Julie M. Vanderwerff, PA

  • Madison, WI
  • Physician assistant
NPI1568481463PAC ID4981893161
Medicare patients, 2024
148
Part D claims, 2024
2,535
MIPS score, 2024
82
Hospital affiliations
1
Medical group
1
Practice address
5249 E Terrace Dr, Madison, WI 53718
Practice phone
Call (608) 251-4156
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Group Health Cooperative of South Central Wisconsin

Madison, Wisconsin

See all 5 affiliations

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Julie M. Vanderwerff is a physician assistant in Madison, Wisconsin

Julie Vanderwerff practices at Group Health Cooperative of South Central Wisconsin in Madison, Wisconsin.

Julie Vanderwerff's NPI, 1568481463, was assigned on July 19, 2006. Julie Vanderwerff holds Wisconsin license 00943.

NPI and contact details
Medicare PAC ID
4981893161
NPI enumeration date
July 19, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(608) 251-4156
Professional email
Get email
Personal email
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Mobile number
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Sex
Female
Estimated age
56
Medical school graduation
1996

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Julie M. Vanderwerff practices at Group Health Cooperative of South Central Wisconsin in Madison, Wisconsin

Julie Vanderwerff's primary practice is Group Health Cooperative of South Central Wisconsin, at 5249 E Terrace Dr, Madison, WI 53718 in Dane County. The practice phone is (608) 251-4156.

  • Group Health Cooperative of South Central Wisconsin
    5249 E Terrace Dr, Madison, WI 53718 · Dane CountyPhone(608) 251-4156

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Julie M. Vanderwerff is affiliated with 4 sites of care and 1 medical group

Julie Vanderwerff's primary practice is Group Health Cooperative of South Central Wisconsin in Madison, Wisconsin. Julie Vanderwerff is also affiliated with University Hospital. The medical group on file is Group Health Cooperative of South Central Wisconsin. Dmand AI also links Julie Vanderwerff to 1 more group practice or clinic and 1 home health agency, each named with a free account.

See all 5 affiliations for Julie Vanderwerff

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Julie M. Vanderwerff's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Julie Vanderwerff practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Group Health Cooperative of South Central WisconsinAvailable with a free account
+3 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Julie M. Vanderwerff is one of 3,127 physician assistants in Wisconsin

Physician assistant is Julie Vanderwerff's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Julie Vanderwerff is licensed in Wisconsin.

Specialties and state licenses

  • Physician assistant, WisconsinPrimaryLicense 00943 · taxonomy 363A00000X

Physician assistants near Julie Vanderwerff

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

Julie M. Vanderwerff treated 148 Medicare patients in 2024, average age 72

CMS counts 148 Medicare patients who saw Julie Vanderwerff in 2024. The largest group is 65 to 74, with 89 patients. 52% of them have high blood pressure, and 52% have high cholesterol. Their average risk score is 0.78, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Julie Vanderwerff's median patient age at 50, with 68% women.

Medicare patients, 2024148
Average age72
Average risk score0.78

Julie Vanderwerff's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Julie Vanderwerff's Medicare patients by sex, 2024

  • Women10370%
  • Men4530%

Chronic conditions among Julie Vanderwerff's Medicare patients, 2024

  1. High blood pressure52%
  2. High cholesterol52%
  3. Arthritis32%
  4. Diabetes24%
  5. Chronic kidney disease16%
  6. Mood disorders16%
  7. Atrial fibrillation14%
  8. Cancer13%

Share of Medicare patients with each condition. A patient can have several.

Julie Vanderwerff's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 50

Patient panel by sex, all payers

  • Women68%
  • Men32%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Julie M. Vanderwerff wrote 2,535 Medicare Part D claims in 2024

In 2024, Julie Vanderwerff wrote 2,535 Medicare Part D claims for 178 patients. 85% of them were for generic drugs.

Part D claims, 20242,535
Part D patients178

Julie Vanderwerff's Part D claims by kind of drug, 2024

  • Generic2,148 claims85%
  • Brand-name373 claims15%
  • Other14 claims1%

Drug classes CMS tracks in Julie Vanderwerff's Part D claims, 2024

  • Opioids4%103 of 2,535 claims
  • Antibiotics1%38 of 2,535 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

Julie M. Vanderwerff 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 Julie Vanderwerff for performance year 2024, reported as part of a group. Julie Vanderwerff accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Julie Vanderwerff as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Julie Vanderwerff's MIPS scores, performance year 2024

  • 82of 100Final score
  • 71.1of 100Quality
  • 99of 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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Sources for Julie M. Vanderwerff's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors 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 siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Julie M. Vanderwerff

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Julie M. Vanderwerff's NPI number?

Julie M. Vanderwerff's NPI number is 1568481463. It was assigned on July 19, 2006, and it is active in the NPI Registry.

What does Julie M. Vanderwerff specialize in?

Julie M. Vanderwerff is a physician assistant in Madison, Wisconsin. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).

Where does Julie M. Vanderwerff practice?

Julie Vanderwerff practices at 5249 E Terrace Dr, Madison, WI 53718. Julie Vanderwerff's primary practice is Group Health Cooperative of South Central Wisconsin in Madison, Wisconsin. Dmand AI also links Julie Vanderwerff to 1 group practice or clinic and 1 home health agency.

What is Julie M. Vanderwerff's office phone number?

The practice phone on file for Julie Vanderwerff is (608) 251-4156.

What is Julie M. Vanderwerff's medical license number?

Julie Vanderwerff holds Wisconsin license 00943.

Which hospitals is Julie M. Vanderwerff affiliated with?

Julie Vanderwerff is affiliated with University Hospital.

What medical group is Julie M. Vanderwerff part of?

Julie Vanderwerff is linked to Group Health Cooperative of South Central Wisconsin.

Does Julie M. Vanderwerff accept Medicare?

Yes. CMS lists Julie Vanderwerff as accepting Medicare assignment.

Does Julie M. Vanderwerff offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Julie Vanderwerff as offering telehealth services.

What is Julie M. Vanderwerff's MIPS score?

Julie Vanderwerff's MIPS final score for performance year 2024 is 82 out of 100, reported as part of a group.

How many Medicare patients does Julie M. Vanderwerff see?

CMS counts 148 Medicare patients who saw Julie Vanderwerff in 2024, with an average age of 72.

How long has Julie M. Vanderwerff been practicing?

Julie Vanderwerff graduated from medical school in 1996, 30 years ago.

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