Lynne B. Shaw, PA-C
NPI 1679670780ActiveIndividual· Physician Assistant· Walnut Creek, CA
Physician Assistant (PA-C) with John Muir Physician Network, practicing in Walnut Creek, California. Their prescriptions cost Medicare Part D more than their services did: $514,710 for 1,300 claims, against $63,415 paid for services in 2024. Medtronic, Inc. was the largest of 8 companies reporting payments in 2025, $547.56 in all, mostly food and beverage. Lists John Muir Medical Center - Walnut Creek Campus as a hospital affiliation.
Overview
| NPI | 1679670780 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Sep 20, 2006 |
| Last updated in NPPES | Mar 11, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | PA13689 | 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 - Physician Assistant (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 501 |
|---|---|
| Services billed | 1,311 across 18 procedure codes |
| Paid by Medicare | $63,415 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,300 · 2,867 30-day fills |
|---|---|
| Patients | 383 |
| Total drug cost | $514,710 |
| Generic share | 71% of claims |
Education and affiliations
| Graduation year | 1996 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- John Muir Physician NetworkPleasant Hill, CA · 494 clinicians
Hospital affiliation
- John Muir Medical Center - Walnut Creek CampusWalnut Creek, CA
Industry payments (Open Payments)
- 2025$547.56 · 34 payments from 8 companies
- 2024$667.22 · 25 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Medtronic, Inc. | $164.13 | 20 |
| Abbott Laboratories | $117.62 | 5 |
| Abiomed | $83.94 | 2 |
| Boston Scientific Corporation | $61.70 | 2 |
| Atricure, Inc. | $49.29 | 2 |
What the 2025 payments were for
- Food and Beverage$547.56 · 34 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 95 physician assistants in Walnut Creek · All physician assistants in California