Julia Leo, D.O.
NPI 1891953295 · Gastroenterology Physician · Milwaukee, WI
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Julia Leo, D.O. is a Gastroenterology Physician provider in Milwaukee, WI (NPI 1891953295).
Provider details
- NPI number
- 1891953295
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Female
- Sole proprietor
- No
- License
- 53753-21 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
18 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
253 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 52 | $72 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 38 | $229 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 35 | $136 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 30 | $63 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 27 | $120 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More |
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 |
|---|---|---|
| Pantoprazole Sodium | 205 | 72 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-G | 138 | 135 |
| Omeprazole | 109 | 48 |
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 81 | 81 |
| Famotidine | 74 | 27 |
| Linaclotidebrand: Linzess | 46 | 18 |
| Dicyclomine Hcl | 43 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$14 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-06-02
- Last updated
- 2026-01-26
- Certified
- 2026-01-26
Frequently asked questions
- What is Julia Leo's NPI number?
- Julia Leo's National Provider Identifier (NPI) is 1891953295, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Julia Leo's specialty?
- Julia Leo is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Julia Leo located?
- Julia Leo's practice location on file with NPPES is 2801 W Kinnickinnic River Pkwy Ste 1080, Milwaukee, WI 53215-3689.
- What is Julia Leo's phone number?
- The practice phone number listed in the NPPES registry for Julia Leo is (414) 908-6500.
- Does Julia Leo accept Medicare?
- Julia Leo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Julia Leo's NPI active?
- Yes — Julia Leo's NPI (1891953295) is active in the NPPES registry as of the last update on 2026-01-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.