Doctor profile · Federal record

Dr. Karen Tong, M.D.

Diagnostic Radiology Physician (CMS: Diagnostic Radiology) · Loma Linda, CA

  • NPI 1649296641
  • Accepts Medicare
  • MIPS 76.4 / 100 · 2023
  • 36 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
11234 Anderson St
Loma Linda, CA 923542804
(909) 558-8311
Mailing address
Po Box 30959
Los Angeles, CA 900300959

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1990 — 36 yrs since
Specialty taxonomy
2085R0202X — NUCC code
State license (1)
California #G71966
Medicaid
CA #00G719660

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1649296641. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
431
Distinct HCPCS
10
Medicare allowed
$26,704
HCPCS Description Services Patients Avg allowed
70450 Ct scan head or brain without contrast 167 158 $40
70553 Mri scan of brain before and after contrast 59 59 $111
72125 Ct scan of upper spine without contrast 36 35 $47
70498 Ct scan of blood vessels of neck with contrast 35 34 $82
70496 Ct scan of blood vessels of head with contrast 29 28 $84
70551 Mri scan of brain without contrast 28 28 $72
72148 Mri scan of lower spinal canal without contrast 21 21 $71
76376 3d radiographic procedure 18 18 $10
70486 Ct scan of face without contrast 13 13 $40
70543 Mri scan of bone of eye socket, face, and/or neck before and after contrast 13 13 $101

In context: peer comparison

Among 15 peers in this city , average services per provider: 61. This provider delivers 7.1× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Karen Tong's medical specialty?
Dr. Karen Tong practices Diagnostic Radiology Physician in Loma Linda, CA.
Where does Dr. Karen Tong practice?
Dr. Karen Tong practices at 11234 Anderson St, Loma Linda, CA 923542804. Office phone: 9095588311.
What is Dr. Karen Tong's NPI?
Dr. Karen Tong's National Provider Identifier (NPI) is 1649296641, issued by NPPES.
Does Dr. Karen Tong accept Medicare assignment?
Yes. Dr. Karen Tong accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Karen Tong commonly perform?
Top Medicare-reported procedures in 2023: Ct scan head or brain without contrast (HCPCS 70450); Mri scan of brain before and after contrast (HCPCS 70553); Ct scan of upper spine without contrast (HCPCS 72125). Source: CMS Medicare Physician & Other Practitioners file.