Clarissa M. Johnston, MD
NPI 1649342445ActiveIndividual· Internal Medicine, Hospice and Palliative Medicine· Austin, TX
Internal Medicine, Hospice and Palliative Medicine (MD) in Austin, Texas, trained at University of California, San Francisco School of Medicine (class of 1995). Medicare paid $16,603 for services to 93 patients in 2024.
Overview
| NPI | 1649342445 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Nov 15, 2006 |
| Last updated in NPPES | Oct 8, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hospice and Palliative Medicine Primary | 207RH0002X | Q1181 | TX |
| Hospitalist | 208M00000X | A62097 | CA |
| Internal Medicine | 207R00000X | Q1181 | TX |
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 - Hospice/Palliative Care (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 93 |
|---|---|
| Services billed | 198 across 8 procedure codes |
| Paid by Medicare | $16,603 |
Education and affiliations
| Medical school | University of California, San Francisco School of Medicine |
|---|---|
| Graduation year | 1995 |
| Medicare specialty | Hospice/Palliative Care |
| Secondary specialties | Internal Medicine |
Medical group
- Seton Family of DoctorsAustin, TX · 792 clinicians
Hospital affiliations
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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