Stephen Lau
NPI 1467758201 · Internal Medicine Physician · San Leandro, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephen Lau is a Internal Medicine Physician provider in San Leandro, CA (NPI 1467758201).
Provider details
- NPI number
- 1467758201
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- A128257 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
15 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
34 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 34 | $87 |
Typical Medicare-allowed amounts for these services range $87–$87 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Furosemide | 29 | 21 |
| Doxycycline Monohydrate | 22 | 21 |
| Cefpodoxime Proxetil | 21 | 21 |
| Amlodipine Besylate | 19 | — |
| Metoprolol Tartrate | 18 | 14 |
| Potassium Chloride | 16 | 11 |
| Prednisone | 16 | 16 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2011-01-26
- Last updated
- 2015-11-17
Frequently asked questions
- What is Stephen Lau's NPI number?
- Stephen Lau's National Provider Identifier (NPI) is 1467758201, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Lau's specialty?
- Stephen Lau is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Stephen Lau located?
- Stephen Lau's practice location on file with NPPES is 2500 Merced St, San Leandro, CA 94577-4201.
- What is Stephen Lau's phone number?
- The practice phone number listed in the NPPES registry for Stephen Lau is (510) 396-4962.
- Does Stephen Lau accept Medicare?
- Stephen Lau is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephen Lau's NPI active?
- Yes — Stephen Lau's NPI (1467758201) is active in the NPPES registry as of the last update on 2015-11-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.