Doctor profile · Federal record

Dr. Vivian Montes, PA

Physician Assistant · Tustin, CA

  • NPI 1881358026
  • 5 yrs on file
  • Female
  • Solo practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
661 W 1St St Ste G
Tustin, CA 927802939
(714) 665-9890
fax (714) 665-9891
Additional location
11180 Warner Ave Ste 353
Fountain Valley, CA 927084098
(714) 968-6789
fax (714) 202-2626
Additional location
9918 Katella Ave Ste A-C
Anaheim, CA 928046465
(714) 644-9494
fax (714) 644-9894

Credentials & registration

NPPES · NUCC
NPI registered
October 2021 — 5 yrs on file
Profile last updated
January 29, 2026
Specialty taxonomy
363A00000X — NUCC code
State license (1)
California #PA62019

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1881358026. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$151
Transactions
7
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
Dexcom, INC. 3 $68.08
Lilly USA, LLC 1 $24.68
Novo Nordisk INC 1 $24.43
Pfizer INC. 1 $17.83
GlaxoSmithKline, LLC. 1 $16.08

By nature of payment

Food and Beverage
$151

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
488
Patients
151
Total drug cost
$25,692
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 79 38 $1,564
Lisinopril Generic 57 28 $499
Amlodipine Besylate Generic 51 18 $567
Levothyroxine Sodium Generic 43 15 $566
Metformin Hcl Generic 42 23 $558
Losartan Potassium Generic 41 18 $1,275
Tamsulosin Hcl Generic 28 0 $138
Simvastatin Generic 27 0 $547
Fluoxetine Hcl Generic 20 0 $201
Omeprazole Generic 20 11 $210

Frequently asked questions

Auto-generated from federal data
What is Dr. Vivian Montes's medical specialty?
Dr. Vivian Montes practices Physician Assistant in Tustin, CA.
Where does Dr. Vivian Montes practice?
Dr. Vivian Montes practices at 661 W 1St St Ste G, Tustin, CA 927802939. Office phone: 7146659890.
What is Dr. Vivian Montes's NPI?
Dr. Vivian Montes's National Provider Identifier (NPI) is 1881358026, issued by NPPES.