Julia Mcmillen, M.D.
NPI 1194014316 · Family Medicine Physician · Cottage Grove, WI
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Julia Mcmillen, M.D. is a Family Medicine Physician provider in Cottage Grove, WI (NPI 1194014316).
Provider details
- NPI number
- 1194014316
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
15 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
101 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 | 34 | $9 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 32 | $121 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 19 | $169 |
| Blood Test, Basic Group of Blood Chemicals (calcium, Total)80048 | 16 | $8 |
Typical Medicare-allowed amounts for these services range $8–$169 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 19 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 60 | 16 |
| Omeprazole | 55 | 11 |
| Levothyroxine Sodium | 39 | — |
| Lisinopril | 25 | — |
| Hydrochlorothiazide | 23 | — |
| Amlodipine Besylate | 22 | — |
| Losartan Potassium | 22 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2011-03-29
- Last updated
- 2024-12-16
- Certified
- 2024-12-16
Frequently asked questions
- What is Julia Mcmillen's NPI number?
- Julia Mcmillen's National Provider Identifier (NPI) is 1194014316, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Julia Mcmillen's specialty?
- Julia Mcmillen is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Julia Mcmillen located?
- Julia Mcmillen's practice location on file with NPPES is 251 E Cottage Grove Rd, Cottage Grove, WI 53527-9619.
- What is Julia Mcmillen's phone number?
- The practice phone number listed in the NPPES registry for Julia Mcmillen is (608) 221-1501.
- Does Julia Mcmillen accept Medicare?
- Julia Mcmillen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Julia Mcmillen's NPI active?
- Yes — Julia Mcmillen's NPI (1194014316) is active in the NPPES registry as of the last update on 2024-12-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.