Doctor profile · Federal record

Dr. Nathan Kwok

Diagnostic Radiology Physician (CMS: Diagnostic Radiology) · Salt Lake City, UT

  • NPI 1144753971
  • Accepts Medicare
  • MIPS 88.8 / 100 · 2023
  • 9 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
30 N 1900 E # 1A071
Salt Lake City, UT 841322742
(801) 581-2121
Mailing address
50 N Medical Dr
Salt Lake City, UT 841320001

Credentials & registration

NPPES · NUCC
NPI registered
April 2017 — 9 yrs on file
Profile last updated
August 2, 2022
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
2085R0202X — NUCC code
State license (1)
Utah #10979097-1205

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1144753971. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,079
Distinct HCPCS
10
Medicare allowed
$22,300
HCPCS Description Services Patients Avg allowed
71045 X-ray of chest, 1 view 207 157 $8
77067 Screening mammography 131 131 $35
77063 Screening 3d breast mammography 128 128 $28
71046 X-ray of chest, 2 views 101 99 $10
73562 X-ray of knee, 3 views 91 77 $9
73030 X-ray of shoulder, minimum of 2 views 67 61 $9
71260 Ct scan of chest with contrast 48 48 $53
73560 X-ray of knee, 1-2 views 27 24 $8
73502 X-ray of hip, 2-3 views 26 26 $10
74177 Ct scan of abdomen and pelvis with contrast 26 25 $84

In context: peer comparison

Among 19 peers in this city , average services per provider: 97. This provider delivers 11× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Nathan Kwok's medical specialty?
Dr. Nathan Kwok practices Diagnostic Radiology Physician in Salt Lake City, UT.
Where does Dr. Nathan Kwok practice?
Dr. Nathan Kwok practices at 30 N 1900 E # 1A071, Salt Lake City, UT 841322742. Office phone: 8015812121.
What is Dr. Nathan Kwok's NPI?
Dr. Nathan Kwok's National Provider Identifier (NPI) is 1144753971, issued by NPPES.
Does Dr. Nathan Kwok accept Medicare assignment?
Yes. Dr. Nathan Kwok accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nathan Kwok commonly perform?
Top Medicare-reported procedures in 2023: X-ray of chest, 1 view (HCPCS 71045); Screening mammography (HCPCS 77067); Screening 3d breast mammography (HCPCS 77063). Source: CMS Medicare Physician & Other Practitioners file.