Lewis Hahn, M.D.
NPI 1023455854 · Diagnostic Radiology Physician · Rochester, MN
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lewis Hahn, M.D. is a Diagnostic Radiology Physician provider in Rochester, MN (NPI 1023455854).
Provider details
- NPI number
- 1023455854
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A131884 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
13 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
1,289 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) |
|---|---|---|
| X-Ray of Chest, 1 View71045 | 374 | $9 |
| Ct Scan of Chest With Contrast71260 | 254 | $54 |
| Ct Scan of Chest Without Contrast71250 | 156 | $51 |
| Ct Scan of Blood Vessels of Chest With Contrast71275 | 140 | $85 |
| X-Ray of Chest, 2 Views71046 | 74 | $11 |
| X-Ray of Chest, 2 Views71046 | 71 | $36 |
| Ct Scan of Blood Vessels and Grafts of Heart With Contrast75574 |
Practice location
Mailing address
Additional practice locations (2)
- 200 W Arbor DrSan Diego, CA 92103-9000Phone: (800) 926-8273
- 800 West Avenue SLa Crosse, WI 54601-8806Phone: (608) 785-0940
Registry dates
- Enumerated
- 2013-06-03
- Last updated
- 2025-03-17
- Certified
- 2025-03-17
Frequently asked questions
- What is Lewis Hahn's NPI number?
- Lewis Hahn's National Provider Identifier (NPI) is 1023455854, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lewis Hahn's specialty?
- Lewis Hahn is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Lewis Hahn located?
- Lewis Hahn's practice location on file with NPPES is 200 1st St Sw, Rochester, MN 55905-0001.
- What is Lewis Hahn's phone number?
- The practice phone number listed in the NPPES registry for Lewis Hahn is (507) 284-2511.
- Does Lewis Hahn accept Medicare?
- Lewis Hahn is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Lewis Hahn's NPI active?
- Yes — Lewis Hahn's NPI (1023455854) is active in the NPPES registry as of the last update on 2025-03-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.