Karen Reynolds Johnston, MD
NPI 1326518325ActiveIndividual· General Practice· Palo Alto, CA
General Practice (MD) in Palo Alto, California, licensed in CA, with an NPI issued in December 2018. Medicare paid $656,633 for services to 366 patients in 2024.
Overview
| NPI | 1326518325 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Dec 3, 2018 |
| Last updated in NPPES | Jan 28, 2022 |
| Certified by provider | Jan 28, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| General Practice Primary | 208D00000X | G67445 | CA |
| Pathology, Anatomic Pathology & Clinical Pathology | 207ZP0102X | G67445 | 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 - Pathology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 366 |
|---|---|
| Services billed | 2,276 across 17 procedure codes |
| Paid by Medicare | $656,633 |
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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