Ka U. Chan, ARNP
NPI 1043500895ActiveIndividual· Nurse Practitioner, Family· Yakima, WA
Nurse Practitioner, Family (ARNP) with Comprehensive Healthcare, practicing in Yakima, Washington. Their prescriptions cost Medicare Part D more than their services did: $11,152 for 297 claims, against $1,970 paid for services in 2024. E.R. Squibb & Sons, L.L.C. was the largest of 9 companies reporting payments in 2025, $1,498 in all, mostly food and beverage.
Overview
| NPI | 1043500895 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | ARNP |
| Sole proprietor | No |
| NPI issued | Apr 13, 2011 |
| Last updated in NPPES | Jan 29, 2026 |
| Certified by provider | Jan 29, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | AP61158206 | WA |
| Registered Nurse | 163W00000X | RN60159577 | WA |
| Nurse Practitioner | 363L00000X | AP61158206 | WA |
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 - Nurse Practitioner (WA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 38 |
|---|---|
| Services billed | 51 across 7 procedure codes |
| Paid by Medicare | $1,970 |
Part D prescriptions in 2024
| Prescriptions (claims) | 297 · 304 30-day fills |
|---|---|
| Patients | 60 |
| Total drug cost | $11,152 |
| Generic share | 98% of claims |
Education and affiliations
| Graduation year | 2020 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Comprehensive HealthcareSunnyside, WA · 34 clinicians
Industry payments (Open Payments)
- 2025$1,498 · 32 payments from 9 companies
- 2024$1,754 · 46 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| E.R. Squibb & Sons, L.L.C. | $319.35 | 3 |
| Janssen Pharmaceuticals, Inc | $296.02 | 6 |
| Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) | $176.65 | 5 |
| Axsome Therapeutics, Inc. | $176.11 | 3 |
| Esperion Therapeutics, Inc. | $165.00 | 9 |
What the 2025 payments were for
- Food and Beverage$1,493 · 31 payments
- Education$5.45 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 96 family nurse practitioners in Yakima · All family nurse practitioners in Washington