John K. Shaver, M.D.
NPI 1598765729ActiveIndividual· Surgery· Mission Viejo, CA
Surgery (M.D.) in Mission Viejo, California, trained at Vanderbilt University School of Medicine (class of 1988). In 2024 Medicare paid $145,598 for 317 patients, and Part D covered 51 of their prescriptions, 63% of them generic. Intuitive Surgical, Inc. was the largest of 7 companies reporting payments in 2025, $1,638 in all, mostly travel and lodging.
Overview
| NPI | 1598765729 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 29, 2005 |
| Last updated in NPPES | Feb 23, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery Primary | 208600000X | G67999 | 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 - General Surgery (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 317 |
|---|---|
| Services billed | 730 across 101 procedure codes |
| Paid by Medicare | $145,598 |
Part D prescriptions in 2024
| Prescriptions (claims) | 51 · 106 30-day fills |
|---|---|
| Patients | 27 |
| Total drug cost | $2,009 |
| Generic share | 63% of claims |
Education and affiliations
| Medical school | Vanderbilt University School of Medicine |
|---|---|
| Graduation year | 1988 |
| Medicare specialty | General Surgery |
Medical group
- South Orange County Surgical Medical Group IncLaguna Hills, CA · 23 clinicians
Hospital affiliation
- Providence Mission HospitalMission Viejo, CA
Industry payments (Open Payments)
- 2025$1,638 · 23 payments from 7 companies
- 2024$5,811 · 10 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Intuitive Surgical, Inc. | $1,284 | 17 |
| W. L. Gore & Associates, Inc. | $169.70 | 1 |
| Davol Inc. | $102.96 | 1 |
| Integra Lifesciences Corporation | $28.02 | 1 |
| Merit Medical Systems Inc | $20.55 | 1 |
What the 2025 payments were for
- Travel and Lodging$892.37 · 7 payments
- Food and Beverage$745.90 · 16 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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