Chris Tsuneishi, M.D.
NPI 1669425575 · Internal Medicine Physician · Torrance, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Chris Tsuneishi, M.D. is a Internal Medicine Physician provider in Torrance, CA (NPI 1669425575).
Provider details
- NPI number
- 1669425575
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- A68447 (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
20 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
1,156 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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 444 | $9 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 199 | $102 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 188 | $143 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 135 | $16 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 113 | $148 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 89 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 1,105 | 330 |
| Amlodipine Besylate | 550 | 153 |
| Losartan Potassium | 502 | 139 |
| Levothyroxine Sodium | 348 | 85 |
| Metformin Hcl | 252 | 76 |
| Pioglitazone Hcl | 245 | 76 |
| Lisinopril |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$584 across 26 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
- 2006-05-19
- Last updated
- 2018-03-13
Frequently asked questions
- What is Chris Tsuneishi's NPI number?
- Chris Tsuneishi's National Provider Identifier (NPI) is 1669425575, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Chris Tsuneishi's specialty?
- Chris Tsuneishi is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Chris Tsuneishi located?
- Chris Tsuneishi's practice location on file with NPPES is 4201 Torrance Blvd, Torrance, CA 90503-4504.
- What is Chris Tsuneishi's phone number?
- The practice phone number listed in the NPPES registry for Chris Tsuneishi is (310) 543-1050.
- Does Chris Tsuneishi accept Medicare?
- Chris Tsuneishi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Chris Tsuneishi's NPI active?
- Yes — Chris Tsuneishi's NPI (1669425575) is active in the NPPES registry as of the last update on 2018-03-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.