Nathan Kwok
NPI 1144753971 · Diagnostic Radiology Physician · Salt Lake City, UT
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nathan Kwok is a Diagnostic Radiology Physician provider in Salt Lake City, UT (NPI 1144753971).
Provider details
- NPI number
- 1144753971
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- 10979097-1205 (UT)
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
9 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
2,278 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 3d Breast Mammography77063 | 338 | $28 |
| Screening Mammography77067 | 338 | $35 |
| X-Ray of Chest, 1 View71045 | 308 | $8 |
| X-Ray of Chest, 2 Views71046 | 188 | $10 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 109 | $82 |
| Ct Scan Head Or Brain Without Contrast70450 | 93 | $37 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2017-04-08
- Last updated
- 2022-08-02
- Certified
- 2022-08-02
Frequently asked questions
- What is Nathan Kwok's NPI number?
- Nathan Kwok's National Provider Identifier (NPI) is 1144753971, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nathan Kwok's specialty?
- Nathan Kwok is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Nathan Kwok located?
- Nathan Kwok's practice location on file with NPPES is 30 N 1900 E # 1a071, Salt Lake City, UT 84132-2742.
- What is Nathan Kwok's phone number?
- The practice phone number listed in the NPPES registry for Nathan Kwok is (801) 581-2121.
- Does Nathan Kwok accept Medicare?
- Nathan Kwok is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nathan Kwok's NPI active?
- Yes — Nathan Kwok's NPI (1144753971) is active in the NPPES registry as of the last update on 2022-08-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.