Gary Tsai
NPI 1629495585 · Family Medicine Physician · Torrance, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gary Tsai is a Family Medicine Physician provider in Torrance, CA (NPI 1629495585).
Provider details
- NPI number
- 1629495585
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
12 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
468 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 | 239 | $138 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 85 | $140 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 61 | $98 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 38 | $16 |
| X-Ray of Chest, 2 Views71046 | 31 | $38 |
| Administration of Influenza Virus VaccineG0008 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 101 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 774 | 224 |
| Losartan Potassium | 368 | 94 |
| Amlodipine Besylate | 355 | 105 |
| Metformin Hcl | 320 | 89 |
| Lisinopril | 271 | 78 |
| Omeprazole | 123 | 37 |
| Levothyroxine Sodium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$430 across 19 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)
- 845 Fishburn RdHp01Hershey, PA 17033-2015Phone: (717) 531-8181Fax: (717) 531-3509
Registry dates
- Enumerated
- 2014-03-27
- Last updated
- 2022-07-21
Frequently asked questions
- What is Gary Tsai's NPI number?
- Gary Tsai's National Provider Identifier (NPI) is 1629495585, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gary Tsai's specialty?
- Gary Tsai is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Gary Tsai located?
- Gary Tsai's practice location on file with NPPES is 2900 Lomita Blvd, Torrance, CA 90505-5102.
- What is Gary Tsai's phone number?
- The practice phone number listed in the NPPES registry for Gary Tsai is (310) 257-7260.
- Does Gary Tsai accept Medicare?
- Gary Tsai is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gary Tsai's NPI active?
- Yes — Gary Tsai's NPI (1629495585) is active in the NPPES registry as of the last update on 2022-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.