Doctor profile · Federal record

Dr. Susan Ganzhorn, PA

Medical Physician Assistant (CMS: Physician Assistant) · Gonzales, CA

  • NPI 1336299973
  • Accepts Medicare
  • 32 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
850 5Th St
Gonzales, CA 939269491
(831) 675-3601
Additional location
355 Abbott St Ste 100
Salinas, CA 939014484
(831) 751-7070
Additional location
600 Main St
Soledad, CA 939602533
(831) 678-2665
fax (831) 678-0776
Mailing address
100 Wilson RD Ste 100
Monterey, CA 939407885

Credentials & registration

NPPES · NUCC
NPI registered
January 2007 — 19 yrs on file
Profile last updated
February 25, 2025
Year of graduation
1994 — 32 yrs since
Specialty taxonomy
363AM0700X — NUCC code
State license (1)
California #PA13472

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1336299973. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$189
Transactions
8
Manufacturers
6
Payer (manufacturer) Industry Txns Amount
Mylan Specialty L.P. 3 $73.64
Boehringer Ingelheim Pharmaceuticals, INC. 1 $32.72
Novo Nordisk INC 1 $24.22
Lilly USA, LLC 1 $20.82
ViiV Healthcare Company 1 $19.71
Abbvie INC. 1 $17.81

By nature of payment

Food and Beverage
$189

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
696
Patients
207
Total drug cost
$13,248
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 123 48 $2,330
Metformin Hcl Generic 80 33 $1,522
Losartan Potassium Generic 65 22 $1,096
Lisinopril Generic 57 22 $820
Levothyroxine Sodium Generic 56 18 $1,039
Hydrochlorothiazide Generic 50 14 $468
Amlodipine Besylate Generic 47 15 $937
Simvastatin Generic 35 12 $511
Alendronate Sodium Generic 33 0 $505
Diclofenac Sodium Generic 29 23 $637

Frequently asked questions

Auto-generated from federal data
What is Dr. Susan Ganzhorn's medical specialty?
Dr. Susan Ganzhorn practices Medical Physician Assistant in Gonzales, CA.
Where does Dr. Susan Ganzhorn practice?
Dr. Susan Ganzhorn practices at 850 5Th St, Gonzales, CA 939269491. Office phone: 8316753601.
What is Dr. Susan Ganzhorn's NPI?
Dr. Susan Ganzhorn's National Provider Identifier (NPI) is 1336299973, issued by NPPES.
Does Dr. Susan Ganzhorn accept Medicare assignment?
Yes. Dr. Susan Ganzhorn accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.