Timothy Richardson, M.D.
NPI 1164446548ActiveIndividual· Dermatology, MOHS-Micrographic Surgery· Palm Desert, CA
Dermatology, MOHS-Micrographic Surgery (M.D.) in Palm Desert, California, trained at Georgetown University School of Medicine (class of 1983). 700 Medicare patients in 2024, $500,940 paid; nearly all of their 222 Part D prescriptions were generic (99%).
Overview
| NPI | 1164446548 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 27, 2006 |
| Last updated in NPPES | Feb 15, 2022 |
| Certified by provider | Feb 15, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dermatology, MOHS-Micrographic Surgery Primary | 207ND0101X | G53073 | CA |
| Dermatology | 207N00000X | G53073 | CA |
| Dermatology, Procedural Dermatology | 207NS0135X | G53073 | 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 - Dermatology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 700 |
|---|---|
| Services billed | 4,642 across 85 procedure codes |
| Paid by Medicare | $500,940 |
Part D prescriptions in 2024
| Prescriptions (claims) | 222 · 239 30-day fills |
|---|---|
| Patients | 117 |
| Total drug cost | $3,826 |
| Generic share | 99% of claims |
Education and affiliations
| Medical school | Georgetown University School of Medicine |
|---|---|
| Graduation year | 1983 |
| Medicare specialty | Dermatology |
Medical group
- Csi Medical GroupFullerton, CA · 111 clinicians
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records