Chi Wan Koo, MD
NPI 1285898361 · Diagnostic Radiology Physician · Rochester, MN
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Chi Wan Koo, MD is a Diagnostic Radiology Physician provider in Rochester, MN (NPI 1285898361).
Provider details
- NPI number
- 1285898361
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- MT193796 (PA)
Specialties & taxonomies
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
17 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
2,799 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, 2 Views71046 | 722 | $34 |
| Ct Scan of Chest With Contrast71260 | 487 | $114 |
| Ct Scan of Chest Without Contrast71250 | 405 | $121 |
| X-Ray of Chest, 1 View71045 | 365 | $8 |
| 3d Radiographic Procedure76376 | 289 | $26 |
| X-Ray of Chest, 2 Views71046 | 179 | $10 |
| X-Ray of Abdomen, 1 View74018 | 110 |
Practice location
Mailing address
Additional practice locations (2)
- 8352 Main StJamaicaJamaica, NY 11435Phone: (917) 538-1156
- 8352 Main StJamaicaJamaica, NY 11435Phone: (917) 538-1156
Registry dates
- Enumerated
- 2008-07-17
- Last updated
- 2020-08-14
- Certified
- 2020-08-14
Frequently asked questions
- What is Chi Wan Koo's NPI number?
- Chi Wan Koo's National Provider Identifier (NPI) is 1285898361, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Chi Wan Koo's specialty?
- Chi Wan Koo is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Chi Wan Koo located?
- Chi Wan Koo's practice location on file with NPPES is 200 1st St Sw, Rochester, MN 55905-0001.
- What is Chi Wan Koo's phone number?
- The practice phone number listed in the NPPES registry for Chi Wan Koo is (507) 284-2511.
- Does Chi Wan Koo accept Medicare?
- Chi Wan Koo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Chi Wan Koo's NPI active?
- Yes — Chi Wan Koo's NPI (1285898361) is active in the NPPES registry as of the last update on 2020-08-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.