Sunayna Kumar, NP
NPI 1619342086ActiveIndividual· Nurse Practitioner, Gerontology· Walnut Creek, CA
Nurse Practitioner, Gerontology (NP) with John Muir Physician Network, practicing in Walnut Creek, California. Their prescriptions cost Medicare Part D more than their services did: $220,771 for 2,546 claims, against $94,495 paid for services in 2024. Bayer Healthcare Pharmaceuticals Inc. was the largest of 15 companies reporting payments in 2025, $785.12 in all, mostly food and beverage. Lists John Muir Medical Center - Concord Campus and 1 other hospital as hospital affiliations.
Overview
| NPI | 1619342086 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NP |
| Sole proprietor | No |
| NPI issued | Dec 10, 2015 |
| Last updated in NPPES | Jun 4, 2024 |
| Certified by provider | Jun 4, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Gerontology Primary | 363LG0600X | 95012855 | CA |
| Nurse Practitioner, Family | 363LF0000X | NP95012855 | AR |
| Nurse Practitioner | 363L00000X | 209.013338 | IL |
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 | 508 |
|---|---|
| Services billed | 1,544 across 37 procedure codes |
| Paid by Medicare | $94,495 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,546 · 4,580 30-day fills |
|---|---|
| Patients | 558 |
| Total drug cost | $220,771 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 2015 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- 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
Other facilities
- Accentcare Home Health of California, IncHome health agency · San Ramon, CA
- Health Link Home Health AgencyHome health agency · San Francisco, CA
- Healthflex Home Health ServicesHome health agency · Oakland, CA
- John Muir Home Health ServicesHome health agency · Concord, CA
- One Health Home Care, IncHome health agency · Livermore, CA
Industry payments (Open Payments)
- 2025$785.12 · 31 payments from 15 companies
- 2024$861.48 · 38 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Bayer Healthcare Pharmaceuticals Inc. | $154.00 | 6 |
| Exact Sciences Corporation | $121.77 | 4 |
| Lilly USA, LLC | $90.20 | 4 |
| Abbvie Inc. | $57.70 | 2 |
| Sumitomo Pharma America, Inc. | $50.66 | 2 |
What the 2025 payments were for
- Food and Beverage$785.12 · 31 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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