Calla Myerjack
NPI 1699389080ActiveIndividual· Physician Assistant· San Leandro, CA
Physician Assistant in San Leandro, California, trained at Rutgers New Jersey Medical School (class of 2020). 99 Medicare patients in 2024, $12,279 paid; nearly all of their 64 Part D prescriptions were generic (92%). Gilead Sciences, Inc. was the largest of 2 companies reporting payments in 2025, $540.72 in all, mostly food and beverage.
Overview
| NPI | 1699389080 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Sep 2, 2020 |
| Last updated in NPPES | Apr 24, 2026 |
| Certified by provider | Apr 24, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | PA67962 | 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); Practitioner - Physician Assistant (NJ); Practitioner - Physician Assistant (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 99 |
|---|---|
| Services billed | 108 across 10 procedure codes |
| Paid by Medicare | $12,279 |
Part D prescriptions in 2024
| Prescriptions (claims) | 64 · 75 30-day fills |
|---|---|
| Patients | 43 |
| Total drug cost | $1,143 |
| Generic share | 92% of claims |
Education and affiliations
| Medical school | Rutgers New Jersey Medical School |
|---|---|
| Graduation year | 2020 |
| Medicare specialty | Physician Assistant |
Industry payments (Open Payments)
- 2025$540.72 · 31 payments from 2 companies
- 2024$49.45 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Gilead Sciences, Inc. | $399.54 | 21 |
| Viiv Healthcare Company | $141.18 | 10 |
What the 2025 payments were for
- Food and Beverage$540.72 · 31 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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