Katherine Bayard Bisharat, MD
NPI 1801861547ActiveIndividual· Internal Medicine· Carmichael, CA
Internal Medicine (MD) in Carmichael, California, licensed in CA, with an NPI issued in February 2006. In 2024 Medicare paid $214,934 for 340 patients, and Part D covered 1,032 of their prescriptions, 89% of them generic. Amgen Inc. reported $23.44 in payments in 2025, mostly food and beverage. Lists Mercy General Hospital as a hospital affiliation.
Overview
| NPI | 1801861547 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Feb 17, 2006 |
| Last updated in NPPES | Feb 8, 2022 |
| Certified by provider | Feb 3, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | AO448709 | 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) | Enrolled Practitioner - Internal Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 340 |
|---|---|
| Services billed | 6,152 across 61 procedure codes |
| Paid by Medicare | $214,934 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,032 · 1,864 30-day fills |
|---|---|
| Patients | 195 |
| Total drug cost | $52,720 |
| Generic share | 89% of claims |
Education and affiliations
| Graduation year | 1982 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Hospital affiliation
- Mercy General HospitalSacramento, CA
Other facilities
- American River Home CareHome health agency · Sacramento, CA
- Mercy Home HealthHome health agency · Rancho Cordova, CA
Industry payments (Open Payments)
- 2025$23.44 · 1 payment from 1 company
- 2024$197.47 · 4 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $23.44 | 1 |
What the 2025 payments were for
- Food and Beverage$23.44 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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