Doctor profile · Federal record

Dr. Cathryn de Guzman, PA-C

Physician Assistant · Mecca, CA

  • NPI 1033778576
  • 7 yrs on file
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
91275 66Th St Suite 500
Mecca, CA 922541251
(760) 396-1249
fax (760) 396-1253
Mailing address
91275 66Th Ave, Suite 500
Mecca, CA 92254

Credentials & registration

NPPES · NUCC
NPI registered
June 2019 — 7 yrs on file
Profile last updated
July 14, 2022
Specialty taxonomy
363A00000X — NUCC code
State license (1)
California #56870
Medicaid
CA #1033778576

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1033778576. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$264
Transactions
8
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Amgen INC. 3 $149.58
Bayer Healthcare Pharmaceuticals INC. 3 $77.19
Lilly USA, LLC 1 $22.38
Novo Nordisk INC 1 $15.12

By nature of payment

Food and Beverage
$264

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,345
Patients
526
Total drug cost
$104,958
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 239 98 $5,537
Lisinopril Generic 212 80 $2,596
Metformin Hcl Generic 189 68 $2,789
Amlodipine Besylate Generic 114 41 $1,928
Losartan Potassium Generic 88 35 $1,697
Glipizide Generic 83 28 $1,225
Hydrochlorothiazide Generic 63 24 $456
Levothyroxine Sodium Generic 59 24 $1,266
Ibuprofen Generic 55 38 $370
Januvia (Sitagliptin Phosphate) Brand 46 18 $65,530

Frequently asked questions

Auto-generated from federal data
What is Dr. Cathryn de Guzman's medical specialty?
Dr. Cathryn de Guzman practices Physician Assistant in Mecca, CA.
Where does Dr. Cathryn de Guzman practice?
Dr. Cathryn de Guzman practices at 91275 66Th St Suite 500, Mecca, CA 922541251. Office phone: 7603961249.
What is Dr. Cathryn de Guzman's NPI?
Dr. Cathryn de Guzman's National Provider Identifier (NPI) is 1033778576, issued by NPPES.