Julie Amtmann, PA
NPI 1366694077 · Physician Assistant · Oconomowoc, WI
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Julie Amtmann, PA is a Physician Assistant provider in Oconomowoc, WI (NPI 1366694077).
Provider details
- NPI number
- 1366694077
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA
- Sex
- Female
- Sole proprietor
- No
- License
- 937 (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
17 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
298 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 173 | $102 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 70 | $73 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 17 | $104 |
| X-Ray of Chest, 2 Views71046 | 16 | $22 |
| Detection Test By Immunoassay Technique for Severe Acute Respiratory Syndrome Coronavirus87426 | 11 | $35 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 |
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 | 59 |
| Lisinopril | 65 | 34 |
| Pravastatin Sodium | 60 | 34 |
| Amlodipine Besylate | 60 | 41 |
| Furosemide | 57 | 30 |
| Metformin Hcl | 56 | 23 |
| Tamsulosin Hcl | 56 | 27 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-10-14
- Last updated
- 2008-10-14
Frequently asked questions
- What is Julie Amtmann's NPI number?
- Julie Amtmann's National Provider Identifier (NPI) is 1366694077, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Julie Amtmann's specialty?
- Julie Amtmann is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Julie Amtmann located?
- Julie Amtmann's practice location on file with NPPES is 915 Summit Ave, Oconomowoc, WI 53066-3921.
- What is Julie Amtmann's phone number?
- The practice phone number listed in the NPPES registry for Julie Amtmann is (262) 569-2300.
- Does Julie Amtmann accept Medicare?
- Julie Amtmann is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Julie Amtmann's NPI active?
- Yes — Julie Amtmann's NPI (1366694077) is active in the NPPES registry as of the last update on 2008-10-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.