Julie Vanderwerff, PA
NPI 1568481463 · Physician Assistant · Madison, WI
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Julie Vanderwerff, PA is a Physician Assistant provider in Madison, WI (NPI 1568481463).
Provider details
- NPI number
- 1568481463
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA
- Sex
- Female
- Sole proprietor
- No
- License
- 00943 (WI)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
793 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 162 | $9 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 114 | $72 |
| Blood Test, Lipids (cholesterol and Triglycerides)80061 | 69 | $13 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 63 | $10 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 59 | $100 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 40 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 65 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 125 | 36 |
| Lisinopril | 101 | 26 |
| Rosuvastatin Calcium | 94 | 23 |
| Omeprazole | 82 | 19 |
| Apixabanbrand: Eliquis | 72 | — |
| Levothyroxine Sodium | 69 | 20 |
| Amlodipine Besylate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-19
- Last updated
- 2007-07-08
Frequently asked questions
- What is Julie Vanderwerff's NPI number?
- Julie Vanderwerff's National Provider Identifier (NPI) is 1568481463, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Julie Vanderwerff's specialty?
- Julie Vanderwerff is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Julie Vanderwerff located?
- Julie Vanderwerff's practice location on file with NPPES is 675 W Washington Ave, Madison, WI 53703-2637.
- What is Julie Vanderwerff's phone number?
- The practice phone number listed in the NPPES registry for Julie Vanderwerff is (608) 257-9700.
- Does Julie Vanderwerff accept Medicare?
- Julie Vanderwerff is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Julie Vanderwerff's NPI active?
- Yes — Julie Vanderwerff's NPI (1568481463) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.