Lisa Tsang, M.D.
NPI 1871949347 · Internal Medicine Physician · Daly City, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lisa Tsang, M.D. is a Internal Medicine Physician provider in Daly City, CA (NPI 1871949347).
Provider details
- NPI number
- 1871949347
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- A155061 (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
10 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
423 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 204 | $212 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 75 | $152 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 71 | $156 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 39 | $109 |
| Administration of Influenza Virus VaccineG0008 | 23 | $39 |
| Admn Sarscov2 Vacc 1 Dose90480 | 11 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 45 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 215 | 64 |
| Amlodipine Besylate | 122 | 38 |
| Levothyroxine Sodium | 98 | 26 |
| Losartan Potassium | 91 | 26 |
| Metformin Hcl | 76 | 20 |
| Hydrochlorothiazide | 72 | 23 |
| Lisinopril |
Practice location
Mailing address
Registry dates
- Enumerated
- 2016-05-13
- Last updated
- 2020-06-03
- Certified
- 2020-06-03
Frequently asked questions
- What is Lisa Tsang's NPI number?
- Lisa Tsang's National Provider Identifier (NPI) is 1871949347, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lisa Tsang's specialty?
- Lisa Tsang is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Lisa Tsang located?
- Lisa Tsang's practice location on file with NPPES is 901 Campus Dr Dept of, Daly City, CA 94015-4900.
- What is Lisa Tsang's phone number?
- The practice phone number listed in the NPPES registry for Lisa Tsang is (650) 652-8500.
- Does Lisa Tsang accept Medicare?
- Lisa Tsang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Lisa Tsang's NPI active?
- Yes — Lisa Tsang's NPI (1871949347) is active in the NPPES registry as of the last update on 2020-06-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.