Colin Tsukio Watanabe, MD
NPI 1053482968ActiveIndividual· Internal Medicine, Cardiovascular Disease· Los Angeles, CA
Internal Medicine, Cardiovascular Disease (MD) in Los Angeles, California, trained at University of California, San Francisco School of Medicine (class of 1999). Their prescriptions cost Medicare Part D more than their services did: $1,558,769 for 4,015 claims, against $3,716 paid for services in 2024. Edwards Lifesciences Corporation reported $315.86 in payments in 2025, mostly travel and lodging.
Overview
| NPI | 1053482968 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Nov 13, 2006 |
| Last updated in NPPES | Nov 30, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | A78981 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 41 |
|---|---|
| Services billed | 48 across 12 procedure codes |
| Paid by Medicare | $3,716 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,015 · 12,185 30-day fills |
|---|---|
| Patients | 511 |
| Total drug cost | $1,558,769 |
| Generic share | 85% of claims |
Education and affiliations
| Medical school | University of California, San Francisco School of Medicine |
|---|---|
| Graduation year | 1999 |
| Medicare specialty | Internal Medicine |
| Secondary specialties | Cardiovascular Disease (Cardiology) |
Medical group
- Southern California Permanente Medical GroupRedlands, CA · 11,293 clinicians
Hospital affiliation
- Kaiser Foundation Hospital - Los AngelesLos Angeles, CA
Industry payments (Open Payments)
- 2025$315.86 · 4 payments from 1 company
- 2024$1,072 · 10 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Edwards Lifesciences Corporation | $315.86 | 4 |
What the 2025 payments were for
- Travel and Lodging$260.34 · 1 payment
- Food and Beverage$55.52 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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