Julie Sager, M.D.
NPI 1891911947 · Family Medicine Physician · Fitchburg, WI
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Julie Sager, M.D. is a Family Medicine Physician provider in Fitchburg, WI (NPI 1891911947).
Provider details
- NPI number
- 1891911947
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 50165020 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
1,224 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 | 226 | $9 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 190 | $120 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 103 | $8 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 89 | $84 |
| Admn Sarscov2 Vacc 1 Dose90480 | 75 | $41 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 64 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 48 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 228 | 56 |
| Amlodipine Besylate | 116 | 31 |
| Levothyroxine Sodium | 112 | 24 |
| Lisinopril | 101 | 31 |
| Metformin Hclbrand: Metformin Hcl Er | 84 | 19 |
| Omeprazole | 67 | 18 |
| Empagliflozin |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-04-17
- Last updated
- 2019-08-08
Frequently asked questions
- What is Julie Sager's NPI number?
- Julie Sager's National Provider Identifier (NPI) is 1891911947, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Julie Sager's specialty?
- Julie Sager is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Julie Sager located?
- Julie Sager's practice location on file with NPPES is 3051 Cahill Main, Fitchburg, WI 53711.
- What is Julie Sager's phone number?
- The practice phone number listed in the NPPES registry for Julie Sager is (608) 251-4156.
- Does Julie Sager accept Medicare?
- Julie Sager is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Julie Sager's NPI active?
- Yes — Julie Sager's NPI (1891911947) is active in the NPPES registry as of the last update on 2019-08-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.