James Leschke, DO
NPI 1851822233 · Diagnostic Radiology Physician · Milwaukee, WI
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James Leschke, DO is a Diagnostic Radiology Physician provider in Milwaukee, WI (NPI 1851822233).
Provider details
- NPI number
- 1851822233
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 73519 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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
9 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
1,564 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) |
|---|---|---|
| Screening Mammography77067 | 242 | $34 |
| Screening 3d Breast Mammography77063 | 235 | $26 |
| X-Ray of Chest, 1 View71045 | 169 | $8 |
| X-Ray of Chest, 2 Views71046 | 95 | $10 |
| Ct Scan Head Or Brain Without Contrast70450 | 68 | $37 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 67 | $81 |
Practice location
Mailing address
Additional practice locations (2)
- 12605 E 16th AveAurora, CO 80045-2545Phone: (720) 848-0000
- 2500 E Capitol DrAppleton, WI 54911-8735Phone: (920) 739-5642
Registry dates
- Enumerated
- 2017-03-27
- Last updated
- 2023-10-30
- Certified
- 2023-10-30
Frequently asked questions
- What is James Leschke's NPI number?
- James Leschke's National Provider Identifier (NPI) is 1851822233, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Leschke's specialty?
- James Leschke is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is James Leschke located?
- James Leschke's practice location on file with NPPES is 2900 W Oklahoma Ave, Milwaukee, WI 53215-4330.
- What is James Leschke's phone number?
- The practice phone number listed in the NPPES registry for James Leschke is (414) 649-3323.
- Does James Leschke accept Medicare?
- James Leschke is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is James Leschke's NPI active?
- Yes — James Leschke's NPI (1851822233) is active in the NPPES registry as of the last update on 2023-10-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.