Lisa Johnston, M.D.
NPI 1124097779ActiveIndividual· Obstetrics & Gynecology· San Diego, CA
Obstetrics & Gynecology (M.D.) with Sharp Rees-Stealy Medical Group Inc, practicing in San Diego, California. Their prescriptions cost Medicare Part D more than their services did: $11,090 for 108 claims, against $2,111 paid for services in 2024. Intuitive Surgical, Inc. was the largest of 2 companies reporting payments in 2025, $4,016 in all, mostly education.
Overview
| NPI | 1124097779 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Mar 16, 2006 |
| Last updated in NPPES | Oct 14, 2025 |
| Certified by provider | Oct 14, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Obstetrics & Gynecology Primary | 207V00000X | A105006 | CA |
| Obstetrics & Gynecology | 207V00000X | 4301065907 | MI |
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 - Obstetrics/Gynecology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 17 |
|---|---|
| Services billed | 30 across 14 procedure codes |
| Paid by Medicare | $2,111 |
Part D prescriptions in 2024
| Prescriptions (claims) | 108 · 228 30-day fills |
|---|---|
| Patients | 33 |
| Total drug cost | $11,090 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 1994 |
|---|---|
| Medicare specialty | Obstetrics/Gynecology |
Medical group
- Sharp Rees-Stealy Medical Group IncSan Diego, CA · 884 clinicians
Industry payments (Open Payments)
- 2025$4,016 · 2 payments from 2 companies
- 2024$181.88 · 3 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Intuitive Surgical, Inc. | $4,000 | 1 |
| Organon LLC | $16.00 | 1 |
What the 2025 payments were for
- Education$4,000 · 1 payment
- Food and Beverage$16.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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