Mary Angelyn Joves Clark, MSN, APRN
NPI 1053887455ActiveIndividual· Nurse Practitioner· Walnut Creek, CA
Nurse Practitioner (MSN, APRN) with Permanente Medical Group Inc and 1 other group, practicing in Walnut Creek, California. Their prescriptions cost Medicare Part D more than their services did: $1,422,600 for 722 claims, against $29,710 paid for services in 2024. Novartis Pharmaceuticals Corporation was the largest of 29 companies reporting payments in 2025, $1,984 in all, mostly food and beverage. Lists John Muir Medical Center - Concord Campus and 1 other hospital as hospital affiliations.
Overview
| NPI | 1053887455 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MSN, APRN |
| Sole proprietor | No |
| NPI issued | Oct 23, 2018 |
| Last updated in NPPES | Oct 9, 2025 |
| Certified by provider | Oct 9, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | NP95009579 | CA |
| Nurse Practitioner, Adult Health | 363LA2200X | NP95009579 | CA |
| Registered Nurse | 163W00000X | 95068012 | CA |
| Nurse Practitioner, Family | 363LF0000X | NP95009579 | 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 - Nurse Practitioner (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 235 |
|---|---|
| Services billed | 337 across 6 procedure codes |
| Paid by Medicare | $29,710 |
Part D prescriptions in 2024
| Prescriptions (claims) | 722 · 930 30-day fills |
|---|---|
| Patients | 300 |
| Total drug cost | $1,422,600 |
| Generic share | 82% of claims |
Education and affiliations
| Graduation year | 2018 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical groups
- Permanente Medical Group IncOakland, CA · 10,996 clinicians
- John Muir Physician NetworkPleasant Hill, CA · 494 clinicians
Hospital affiliations
- John Muir Medical Center - Concord CampusConcord, CA
- John Muir Medical Center - Walnut Creek CampusWalnut Creek, CA
Industry payments (Open Payments)
- 2025$1,984 · 79 payments from 29 companies
- 2024$592.53 · 25 payments from 17 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novartis Pharmaceuticals Corporation | $248.66 | 10 |
| Pfizer Inc. | $178.81 | 7 |
| Daiichi Sankyo Inc. | $144.51 | 7 |
| Merck Sharp & Dohme LLC | $144.13 | 6 |
| Astrazeneca Pharmaceuticals LP | $139.27 | 8 |
What the 2025 payments were for
- Food and Beverage$1,796 · 77 payments
- Education$187.99 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 74 nurse practitioners in Walnut Creek · All nurse practitioners in California