Andrew W. Tam, MD
Urology Physician · Oakland, CA
Andrew W. Tam, MD is a urology physician with a practice address in Oakland, California, and NPI 1063943439, issued on Mar 27, 2017. Check the license (California A187988, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Andrew W. Tam
- Credential
- MD
- Primary taxonomy
- Urology Physician 208800000X
- License number
- A187988 CA
Self-reported in NPPES; status is on the state search - Practice location
- 350 30TH St Ste 100, Oakland, CA 94609
- Phone
- (510) 204-8168
- Enumerated
- Mar 27, 2017
- Record last updated
- Nov 21, 2023
- Medicare enrollment
- Enrolled (PECOS I20230908001195); accepts Medicare assignment
- Medical or professional school
- New York University School Of Medicine, 2017
- 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 350 30TH St Ste 100
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jaclyn Chen, M.D.Urology Physician1942520630
- William De Wolf, M.D.Internal Medicine Physician1538274055
- Brooke Elconin, PA-COrthopaedic Surgery Physician1730987637
- Jonathan LeeInternal Medicine Physician1306135124
- Suresh Nayar, MDOrthopaedic Hand Surgery Physician1760805055
- Pratik Patel, DOFamily Medicine Physician1922502335
Verify Andrew W. Tam in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A187988Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
44% fewer Medicare Part D claims than the average urology physician in 2024
745 Medicare Part D claims for 194 beneficiaries, against an average of 1,340 among the 10,782 providers of this specialty who prescribed in Part D. 25 claims were for opioids.
Most prescribed
- Tamsulosin Hcl190 claims
- Finasteride158 claims
- Solifenacin Succinate103 claims
- Levofloxacin40 claims
- Cephalexin31 claims
- Ibuprofen27 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: $112.68
2 payments; by number, the most common kind was food and beverage; the largest payer was Boston Scientific Corporation. 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
- Sutter Bay Medical FoundationOrinda, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Andrew W. Tam among 1,524 urology physician records in California
Andrew W. Tam, MD 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 2017, is newer than 85% of them.
- NPI issued2017 · 85% of these records are older, 12% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2017 · median 2003 among the 1,049 with a school on file
- Record last updated2023 · 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 Oakland → Urology Physician nationwide →
The 8 urology physician records with the nearest ZIP codes
- Jaclyn Chen, M.D.Oakland, CA 946091942520630
- Dawud Lankford, M.D.Oakland, CA 946091063750099
- Clifford Melton, MD MDOakland, CA 946091124114947
- Shu Pan, M.D.Oakland, CA 946091225476989
- Phillip Ross, MDOakland, CA 946091033220611
- Christopher Welty, MDOakland, CA 946091750571360
- Chih-Hsin Wen, MDOakland, CA 946091477517084
- Qingwei Yan, M.D.Oakland, CA 946091003995648
Common questions
What is Andrew W. Tam, MD's NPI number?
Andrew W. Tam, MD's National Provider Identifier (NPI) is 1063943439, issued on Mar 27, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Andrew W. Tam, MD located?
The NPPES record lists a practice address at 350 30TH St Ste 100, Oakland, CA, 94609. Phone: (510) 204-8168. Providers update this record themselves, so call before visiting.
How can I verify Andrew W. Tam, MD's license?
NPPES lists California license number A187988, 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 W. Tam, MD prescribe under Medicare Part D?
In 2024, Andrew W. Tam, MD had 745 Medicare Part D claims for 194 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.