Andrew David Giem, M.D.
Urology Physician · Stockton, CA
Andrew David Giem, M.D. is a urology physician with a practice address in Stockton, California, and NPI 1861616799, issued on Apr 12, 2007. Check the license (California A109261, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Andrew David Giem
- Credential
- M.D.
- Primary taxonomy
- Urology Physician 208800000X
- License numbers
- A109261 CA
AC5611000-5984 TN
Self-reported in NPPES; status is on the state search - Practice location
- 2545 W Hammer LN, Stockton, CA 95209
- Phone
- (209) 957-7050
- Enumerated
- Apr 12, 2007
- Record last updated
- Jan 25, 2022
- Medicare enrollment
- Enrolled (PECOS I20091015000652); accepts Medicare assignment
- Medical or professional school
- Loma Linda University School Of Medicine, 2004
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest urology physician records → All 1,524 in California → Look up another NPI →
Also registered at 2545 W Hammer LN
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Andrew David Giem in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A109261Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
10% fewer Medicare Part D claims than the average urology physician in 2024
1,203 Medicare Part D claims for 371 beneficiaries, against an average of 1,340 among the 10,782 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims. 13 claims were for opioids.
Most prescribed
- Tamsulosin Hcl446 claims
- Finasteride287 claims
- Myrbetriq75 claims
- Trospium Chloride54 claims
- Terazosin Hcl53 claims
- Tadalafil50 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $768.00
9 payments; by number, the most common kind was food and beverage; the largest payer was Edap Technomed Inc. The 9,340 providers of this specialty with any payment received $3,800.04 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Permanente Medical Group IncSacramento, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Andrew David Giem among 1,524 urology physician records in California
Andrew David Giem, M.D. is one of 1,524 urology physician records with a practice address in California. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 49% of them.
- NPI issued2007 · 49% of these records are older, 40% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2004 · median 2003 among the 1,049 with a school on file
- Record last updated2022 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208800000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Urology Physician providers in California
There are 1,524 urology physician records in California.
All 1,524 in California → Every provider in Stockton → Urology Physician nationwide →
The 8 urology physician records with the nearest ZIP codes
- Peter Garbeff, MDStockton, CA 952091194940171
- Kurt Roemer, M.D.Stockton, CA 952091750506739
- Andrew Wang, M.D.Stockton, CA 952091083146286
- Melanie Parker, MDStockton, CA 952101750453502
- Paul Lee, MDStockton, CA 952041033298724
- Christine Van Horn, MD, MSStockton, CA 952041457856734
- Michael Zhang, M.D.Stockton, CA 952041275920977
- Zamip Patel, M.D.French Camp, CA 952311437318326
Common questions
What is Andrew David Giem, M.D.'s NPI number?
Andrew David Giem, M.D.'s National Provider Identifier (NPI) is 1861616799, issued on Apr 12, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Andrew David Giem, M.D. located?
The NPPES record lists a practice address at 2545 W Hammer LN, Stockton, CA, 95209. Phone: (209) 957-7050. Providers update this record themselves, so call before visiting.
How can I verify Andrew David Giem, M.D.'s license?
NPPES lists California license number A109261, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Andrew David Giem, M.D. prescribe under Medicare Part D?
In 2024, Andrew David Giem, M.D. had 1,203 Medicare Part D claims for 371 beneficiaries; the average among urology physician prescribers was 1,340. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.