Vijay Kumar, MD,FCCP
NPI 1689638587ActiveIndividual· Specialist· Simi Valley, CA
Specialist (MD,FCCP) in Simi Valley, California, licensed in CA, with an NPI issued in April 2006. Their prescriptions cost Medicare Part D more than their services did: $1,858,307 for 13,478 claims, against $785,043 paid for services in 2024. Viatris Specialty LLC was the largest of 6 companies reporting payments in 2025, $400.60 in all, mostly food and beverage. Lists Adventist Health Simi Valley and 1 other hospital as hospital affiliations.
Overview
| NPI | 1689638587 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD,FCCP |
| Sole proprietor | Yes |
| NPI issued | Apr 17, 2006 |
| Last updated in NPPES | May 27, 2026 |
| Certified by provider | May 27, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Specialist Primary | 174400000X | A46673 | 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 - Internal Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 934 |
|---|---|
| Services billed | 7,473 across 30 procedure codes |
| Paid by Medicare | $785,043 |
Part D prescriptions in 2024
| Prescriptions (claims) | 13,478 · 17,806 30-day fills |
|---|---|
| Patients | 600 |
| Total drug cost | $1,858,307 |
| Generic share | 80% of claims |
Education and affiliations
| Graduation year | 1980 |
|---|---|
| Medicare specialty | Internal Medicine |
| Secondary specialties | Pulmonary Disease |
| Telehealth | Offers telehealth |
Hospital affiliations
- Adventist Health Simi ValleySimi Valley, CA
- Los Robles Hospital & Medical CenterThousand Oaks, CA
Other facilities
- Divine Care Home Health Services IncHome health agency · Simi Valley, CA
- Gmm Home Health Care, IncHome health agency · Burbank, CA
- Horizon Health Care Systems, IncHome health agency · Simi Valley, CA
- Valrose Home Health, IncHome health agency · Canoga Park, CA
- We Care Home Health, IncHome health agency · Van Nuys, CA
- Ultimate Great Care Hospice IncHospice · Simi Valley, CA
- Chatsworth Park Health Care CenterNursing home · Chatsworth, CA
- Sherwood Oaks Post AcuteNursing home · Thousand Oaks, CA
- Simi Healthcare CenterNursing home · Simi Valley, CA
- Thousand Oaks Post Acute, LLCNursing home · Thousand Oaks, CA
Industry payments (Open Payments)
- 2025$400.60 · 21 payments from 6 companies
- 2024$583.09 · 23 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Viatris Specialty LLC | $182.41 | 12 |
| Corcept Therapeutics | $70.57 | 3 |
| Astrazeneca Pharmaceuticals LP | $65.32 | 2 |
| Insmed, Inc. | $48.31 | 2 |
| Merck Sharp & Dohme LLC | $19.32 | 1 |
What the 2025 payments were for
- Food and Beverage$400.60 · 21 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Specialist providers in Simi Valley
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All 24 Specialist providers in Simi Valley · All Specialist providers in California