Doctor profile · Federal record

Dr. Vivian Yang, MD

Family Medicine Physician (CMS: Family Practice) · Moreno Valley, CA

  • NPI 1639604523
  • MIPS 90.2 / 100 · 2023
  • 9 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
23520 Cactus Ave
Moreno Valley, CA 925538906
(951) 867-3900

Credentials & registration

NPPES · NUCC
NPI registered
April 2017 — 9 yrs on file
Profile last updated
September 17, 2020
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
California #A159860

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1639604523. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
61
Distinct HCPCS
3
Medicare allowed
$7,226
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 35 16 $115
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 13 13 $168
99238 Hospital discharge day management, 30 minutes or less 13 13 $78

In context: peer comparison

Among 5 peers in this city , average services per provider: 87. This provider delivers 0.7× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$22
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Bard Peripheral Vascular, Inc. 1 $21.51

By nature of payment

Food and Beverage
$22

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
323
Patients
62
Total drug cost
$6,050
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 48 35 $702
Famotidine Generic 46 13 $1,109
Amlodipine Besylate Generic 31 14 $187
Levothyroxine Sodium Generic 23 0 $317
Benazepril Hcl Generic 22 0 $242
Hydrochlorothiazide Generic 21 0 $69
Gabapentin Generic 20 0 $529
Losartan Potassium Generic 19 0 $282
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 16 0 $1,194
Ibuprofen Generic 15 0 $217

Frequently asked questions

Auto-generated from federal data
What is Dr. Vivian Yang's medical specialty?
Dr. Vivian Yang practices Family Medicine Physician in Moreno Valley, CA.
Where does Dr. Vivian Yang practice?
Dr. Vivian Yang practices at 23520 Cactus Ave, Moreno Valley, CA 925538906. Office phone: 9518673900.
What is Dr. Vivian Yang's NPI?
Dr. Vivian Yang's National Provider Identifier (NPI) is 1639604523, issued by NPPES.
Does Dr. Vivian Yang accept Medicare assignment?
Dr. Vivian Yang does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Vivian Yang commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Initial hospital care with moderate level of medical decision making (HCPCS 99223); Hospital discharge day management (HCPCS 99238). Source: CMS Medicare Physician & Other Practitioners file.