Doctor profile · Federal record

Dr. Wai Chung Yong, MD

Rheumatology Physician (CMS: Rheumatology) · Alhambra, CA

  • NPI 1740695790
  • Accepts Medicare
  • 14 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
925 S Garfield Ave
Alhambra, CA 918014442
(626) 282-0282
fax (626) 282-0939

Credentials & registration

NPPES · NUCC
NPI registered
June 2014 — 12 yrs on file
Profile last updated
December 1, 2022
Year of graduation
2012 — 14 yrs since
Specialty taxonomy
207RR0500X — NUCC code
State license (1)
California #A175526
Medicaid
CA #1740695790

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1740695790. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
12
Distinct HCPCS
1
Medicare allowed
$2,164
HCPCS Description Services Patients Avg allowed
99204 New patient office or other outpatient visit, 45-59 minutes 12 12 $180

In context: peer comparison

Among 1 peers in Alhambra Rheumatology Physician, average services per provider: 12. This provider delivers 1.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$328
Transactions
10
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
Amgen INC. 3 $168.00
Fresenius Kabi USA, LLC 4 $88.42
Alexion Pharmaceuticals, INC. 1 $30.18
Exact Sciences Corporation 1 $24.04
Merck Sharp & Dohme LLC 1 $17.79

By nature of payment

Food and Beverage
$328

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
192
Patients
67
Total drug cost
$6,823
Drug Type Claims Patients Total cost
Hydroxychloroquine Sulfate Generic 52 22 $2,310
Methotrexate (Methotrexate Sodium) Brand 48 12 $1,646
Prednisone Generic 40 22 $346
Gabapentin Generic 15 0 $55
Mycophenolate Mofetil Generic 15 0 $2,091
Allopurinol Generic 11 0 $266
Triamcinolone Acetonide Generic 11 11 $109

Frequently asked questions

Auto-generated from federal data
What is Dr. Wai Chung Yong's medical specialty?
Dr. Wai Chung Yong practices Rheumatology Physician in Alhambra, CA.
Where does Dr. Wai Chung Yong practice?
Dr. Wai Chung Yong practices at 925 S Garfield Ave, Alhambra, CA 918014442. Office phone: 6262820282.
What is Dr. Wai Chung Yong's NPI?
Dr. Wai Chung Yong's National Provider Identifier (NPI) is 1740695790, issued by NPPES.
Does Dr. Wai Chung Yong accept Medicare assignment?
Yes. Dr. Wai Chung Yong accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Wai Chung Yong commonly perform?
Top Medicare-reported procedures in 2023: New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.