Stephen Ko, M.D.
NPI 1972568236 · Diagnostic Radiology Physician · Honolulu, HI
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephen Ko, M.D. is a Diagnostic Radiology Physician provider in Honolulu, HI (NPI 1972568236).
Provider details
- NPI number
- 1972568236
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD11118 (HI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
5,542 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 | 1,088 | $34 |
| Screening 3d Breast Mammography77063 | 926 | $27 |
| X-Ray of Chest, 1 View71045 | 602 | $8 |
| Ct Scan Head Or Brain Without Contrast70450 | 270 | $37 |
| X-Ray of Chest, 2 Views71046 | 224 | $10 |
| Ct Scan of Chest Without Contrast71250 | 172 | $48 |
| Dxa Bone Density Measurement of Hip, Pelvis, Spine |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-04-19
- Last updated
- 2017-02-07
Frequently asked questions
- What is Stephen Ko's NPI number?
- Stephen Ko's National Provider Identifier (NPI) is 1972568236, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Ko's specialty?
- Stephen Ko is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Stephen Ko located?
- Stephen Ko's practice location on file with NPPES is 347 N Kuakini St, Honolulu, HI 96817-2306.
- What is Stephen Ko's phone number?
- The practice phone number listed in the NPPES registry for Stephen Ko is (808) 522-0190.
- Does Stephen Ko accept Medicare?
- Stephen Ko is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephen Ko's NPI active?
- Yes — Stephen Ko's NPI (1972568236) is active in the NPPES registry as of the last update on 2017-02-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.