Andrew Tam, MD
NPI 1063943439 · Urology Physician · Oakland, CA
Enrolled with Medicare as Practitioner - Urology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Andrew Tam, MD is a Urology Physician provider in Oakland, CA (NPI 1063943439).
Provider details
- NPI number
- 1063943439
- Entity type
- Individual
- Primary specialty
- Urology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A187988 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
9 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,046 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 298 | $160 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 196 | $19 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 160 | $206 |
| Limited Ultrasound Scan of Pelvis76857 | 79 | $65 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 49 | $224 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tamsulosin Hcl | 190 | 53 |
| Finasteride | 158 | 47 |
| Solifenacin Succinate | 103 | 35 |
| Levofloxacin | 40 | 36 |
| Cephalexin | 31 | 17 |
| Ibuprofen | 27 | 27 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 25 | 24 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$113 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 5 E 98th St # 1259New York, NY 10029-6501Phone: (212) 241-5972
Registry dates
- Enumerated
- 2017-03-27
- Last updated
- 2023-11-21
- Certified
- 2023-11-21
Frequently asked questions
- What is Andrew Tam's NPI number?
- Andrew Tam's National Provider Identifier (NPI) is 1063943439, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Andrew Tam's specialty?
- Andrew Tam is listed in the NPPES registry with a primary specialty of Urology Physician (Allopathic & Osteopathic Physicians).
- Where is Andrew Tam located?
- Andrew Tam's practice location on file with NPPES is 350 30th St Ste 100, Oakland, CA 94609-3422.
- What is Andrew Tam's phone number?
- The practice phone number listed in the NPPES registry for Andrew Tam is (510) 204-8168.
- Does Andrew Tam accept Medicare?
- Andrew Tam is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Andrew Tam's NPI active?
- Yes — Andrew Tam's NPI (1063943439) is active in the NPPES registry as of the last update on 2023-11-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.