Doctor profile · Federal record

Dr. Andrew Giem, M.D.

Urology Physician (CMS: Urology) · Urology Physician · Stockton, CA

  • NPI 1861616799
  • Accepts Medicare
  • 22 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2545 W Hammer Ln
Stockton, CA 952092839
(209) 957-7050
Mailing address
600 Coffee RD
Modesto, CA 953554201

Credentials & registration

NPPES · NUCC
NPI registered
April 2007 — 19 yrs on file
Profile last updated
January 25, 2022
Year of graduation
2004 — 22 yrs since
Specialty taxonomy
208800000X — NUCC code
State licenses (2)
California #A109261 · Tennessee #AC5611000-5984

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1861616799. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$768
Transactions
9
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Edap Technomed Inc 9 $768.00

By nature of payment

Food and Beverage
$768

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,009
Patients
429
Total drug cost
$73,424
Drug Type Claims Patients Total cost
Tamsulosin Hcl Generic 450 177 $8,919
Finasteride Generic 197 71 $3,034
Terazosin Hcl Generic 58 20 $3,095
Myrbetriq (Mirabegron) Brand 53 19 $50,252
Trospium Chloride Generic 51 17 $1,838
Tadalafil Generic 40 22 $1,178
Dutasteride Generic 34 18 $1,718
Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) Brand 30 28 $197
Potassium Citrate Er (Potassium Citrate) Brand 29 12 $2,241
Amoxicillin Generic 28 23 $223

Frequently asked questions

Auto-generated from federal data
What is Dr. Andrew Giem's medical specialty?
Dr. Andrew Giem practices Urology Physician in Stockton, CA.
Where does Dr. Andrew Giem practice?
Dr. Andrew Giem practices at 2545 W Hammer Ln, Stockton, CA 952092839. Office phone: 2099577050.
What is Dr. Andrew Giem's NPI?
Dr. Andrew Giem's National Provider Identifier (NPI) is 1861616799, issued by NPPES.
Does Dr. Andrew Giem accept Medicare assignment?
Yes. Dr. Andrew Giem accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.