Zonglang Tsai, M.D.
NPI 1871675744 · Internal Medicine Physician · Torrance, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Zonglang Tsai, M.D. is a Internal Medicine Physician provider in Torrance, CA (NPI 1871675744).
Provider details
- NPI number
- 1871675744
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- A35282 (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
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
6,372 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) |
|---|---|---|
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 1,370 | $16 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 947 | $138 |
| Urinalysis, Manual Test81002 | 821 | $3 |
| Urine Microalbumin (protein) Analysis82044 | 747 | $6 |
| Creatinine Level to Test for Kidney Function Or Muscle Injury82570 | 743 | $5 |
| Blood Glucose (sugar) Test Performed By Hand-Held Instrument82962 | 682 | $3 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 109 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Finerenonebrand: Kerendia | 375 | 47 |
| Ezetimibe | 350 | 68 |
| Empagliflozinbrand: Jardiance | 322 | 57 |
| Alirocumabbrand: Praluent Pen | 297 | 43 |
| Insulin Regular, Humanbrand: Afrezza | 265 | 39 |
| Acarbose | 252 | 45 |
| Icosapent Ethylbrand: Vascepa | 232 | 43 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$3,443 across 163 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
Registry dates
- Enumerated
- 2006-10-20
- Last updated
- 2007-07-08
Frequently asked questions
- What is Zonglang Tsai's NPI number?
- Zonglang Tsai's National Provider Identifier (NPI) is 1871675744, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Zonglang Tsai's specialty?
- Zonglang Tsai is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Zonglang Tsai located?
- Zonglang Tsai's practice location on file with NPPES is 3011 Artesia Blvd, Torrance, CA 90504-2613.
- What is Zonglang Tsai's phone number?
- The practice phone number listed in the NPPES registry for Zonglang Tsai is (310) 329-6395.
- Does Zonglang Tsai accept Medicare?
- Zonglang Tsai is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Zonglang Tsai's NPI active?
- Yes — Zonglang Tsai's NPI (1871675744) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.