Doctor profile · Federal record

Dr. Sandy Nguyen

Physician Assistant · Physician Assistant · Vallejo, CA

  • NPI 1659945723
  • 5 yrs on file
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1310 Club Dr
Vallejo, CA 945921187
(707) 638-5809
Mailing address
510 E 3Rd St Apt 119
Pomona, CA 917661941

Credentials & registration

NPPES · NUCC
NPI registered
May 2021 — 5 yrs on file
Profile last updated
January 5, 2023
Specialty taxonomy
363A00000X — NUCC code
State license (1)
California #61748

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1659945723. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
147
Distinct HCPCS
3
Medicare allowed
$16,501
HCPCS Description Services Patients Avg allowed
99284 Emergency department visit with moderate level of medical decision making 63 63 $106
99285 Emergency department visit with high level of medical decision making 63 63 $154
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 21 20 $7

In context: peer comparison

Among 8 peers in Vallejo Physician Assistant, average services per provider: 39. This provider delivers 3.8× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
52
Patients
51
Total drug cost
$322
Drug Type Claims Patients Total cost
Cephalexin Generic 28 28 $244
Ibuprofen Generic 12 12 $35
Meclizine Hcl Generic 12 11 $44

Frequently asked questions

Auto-generated from federal data
What is Dr. Sandy Nguyen's medical specialty?
Dr. Sandy Nguyen practices Physician Assistant in Vallejo, CA.
Where does Dr. Sandy Nguyen practice?
Dr. Sandy Nguyen practices at 1310 Club Dr, Vallejo, CA 945921187. Office phone: 7076385809.
What is Dr. Sandy Nguyen's NPI?
Dr. Sandy Nguyen's National Provider Identifier (NPI) is 1659945723, issued by NPPES.
What procedures does Dr. Sandy Nguyen commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with moderate level of medical decision making (HCPCS 99284); Emergency department visit with high level of medical decision making (HCPCS 99285); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010). Source: CMS Medicare Physician & Other Practitioners file.