Doctor profile · Federal record

Dr. Yan Chen Wongworawat, MD, PHD

Anatomic Pathology Physician (CMS: Pathology) · Loma Linda, CA

  • NPI 1104359389
  • Accepts Medicare
  • 15 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
11234 Anderson St, Loma Linda University Health-Pathology
Loma Linda, CA 923542804
(909) 558-4094

Credentials & registration

NPPES · NUCC
NPI registered
April 2017 — 9 yrs on file
Profile last updated
July 17, 2023
Year of graduation
2011 — 15 yrs since
Specialty taxonomy
207ZP0101X — NUCC code
State license (1)
California #A163994

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1104359389. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
239
Distinct HCPCS
7
Medicare allowed
$7,016
HCPCS Description Services Patients Avg allowed
88350 Antibody evaluation, each additional single antibody stain procedure 112 17 $29
88313 Special stained specimen slides to examine tissue including interpretation and report 48 16 $12
88341 Special stained specimen slides to examine tissue, each additional procedure 22 11 $28
88305 Pathology examination of tissue using a microscope, intermediate complexity 17 17 $37
88346 Antibody evaluation, initial single antibody stain procedure 17 17 $36
88348 Electron microscopy for diagnosis 12 12 $78
88342 Special stained specimen slides to examine tissue, initial procedure 11 11 $35

In context: peer comparison

Among 5 peers in this city , average services per provider: 96. This provider delivers 2.5× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$57
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
CALLIDITAS THERAPEUTICS US INC. 1 $56.60

By nature of payment

Food and Beverage
$57

Frequently asked questions

Auto-generated from federal data
What is Dr. Yan Chen Wongworawat's medical specialty?
Dr. Yan Chen Wongworawat practices Anatomic Pathology Physician in Loma Linda, CA.
Where does Dr. Yan Chen Wongworawat practice?
Dr. Yan Chen Wongworawat practices at 11234 Anderson St, Loma Linda, CA 923542804. Office phone: 9095584094.
What is Dr. Yan Chen Wongworawat's NPI?
Dr. Yan Chen Wongworawat's National Provider Identifier (NPI) is 1104359389, issued by NPPES.
Does Dr. Yan Chen Wongworawat accept Medicare assignment?
Yes. Dr. Yan Chen Wongworawat accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Yan Chen Wongworawat commonly perform?
Top Medicare-reported procedures in 2023: Antibody evaluation, each additional single antibody stain procedure (HCPCS 88350); Special stained specimen slides to examine tissue including interpretation and report (HCPCS 88313); Special stained specimen slides to examine tissue, each additional procedure (HCPCS 88341). Source: CMS Medicare Physician & Other Practitioners file.