Chelsey Colleen Kahanowitch, D.O.
NPI 1750743530ActiveIndividual· Family Medicine· Westlake Village, CA
Opted out of Medicare from April 2025 to April 2027. Family Medicine (D.O.) in Westlake Village, California, licensed in CA, with an NPI issued in March 2016. Their prescriptions cost Medicare Part D more than their services did: $116,818 for 1,977 claims, against $58,535 paid for services in 2024.
Overview
| NPI | 1750743530 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | Yes |
| NPI issued | Mar 22, 2016 |
| Last updated in NPPES | May 5, 2025 |
| Certified by provider | May 5, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 20A15970 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Not in the public enrollment file of Oct 1, 2026 |
|---|---|
| Opt-out | Opted out Apr 1, 2025 – Apr 1, 2027 |
| Can order and refer | Yes |
| Accepts assignment | Yes (participating) |
During an opt-out period the provider sees Medicare patients only under private contracts, and Medicare does not pay claims for their services.
Medicare services in 2024
| Medicare patients | 208 |
|---|---|
| Services billed | 727 across 35 procedure codes |
| Paid by Medicare | $58,535 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,977 · 4,534 30-day fills |
|---|---|
| Patients | 246 |
| Total drug cost | $116,818 |
| Generic share | 90% of claims |
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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