Jaya Parker, MD
NPI 1013003664ActiveIndividual· Internal Medicine· Washington, MO
Internal Medicine (MD) with Mercy Clinic Adult Hospitalists - Washington, LLC, practicing in Washington, Missouri. In 2024 Medicare paid $30,551 for 199 patients, and Part D covered 728 of their prescriptions, 87% of them generic. Lists Mercy Hospital Washington as a hospital affiliation.
Overview
| NPI | 1013003664 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Oct 4, 2006 |
| Last updated in NPPES | Jul 19, 2022 |
| Certified by provider | Jul 19, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 2001014711 | MO |
| Emergency Medicine | 207P00000X | 2001014711 | MO |
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 (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 199 |
|---|---|
| Services billed | 462 across 7 procedure codes |
| Paid by Medicare | $30,551 |
Part D prescriptions in 2024
| Prescriptions (claims) | 728 · 827 30-day fills |
|---|---|
| Patients | 286 |
| Total drug cost | $45,022 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 1987 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical group
- Mercy Clinic Adult Hospitalists - Washington, LLCWashington, MO · 32 clinicians
Hospital affiliation
- Mercy Hospital WashingtonWashington, MO
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 25 internal medicine physicians in Washington · All internal medicine physicians in Missouri