Deron Theodore Warren, D.O.
NPI 1962491670ActiveIndividual· Emergency Medicine· Mariposa, CA
Emergency Medicine (D.O.) with Carbon Health Medical Group of California PC and 1 other group, practicing in Mariposa, California. 79 Medicare patients in 2024, $10,959 paid; nearly all of their 77 Part D prescriptions were generic (94%). Lists Adventist Health St Helena as a hospital affiliation.
Overview
| NPI | 1962491670 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Oct 14, 2005 |
| Last updated in NPPES | Dec 14, 2021 |
| Certified by provider | Dec 14, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | 20A10992 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Emergency Medicine (CA); Practitioner - Emergency Medicine (HI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 79 |
|---|---|
| Services billed | 106 across 17 procedure codes |
| Paid by Medicare | $10,959 |
Part D prescriptions in 2024
| Prescriptions (claims) | 77 · 77 30-day fills |
|---|---|
| Patients | 57 |
| Total drug cost | $2,075 |
| Generic share | 94% of claims |
Education and affiliations
| Graduation year | 2003 |
|---|---|
| Medicare specialty | Emergency Medicine |
Medical groups
- Carbon Health Medical Group of California PCWhittier, CA · 334 clinicians
- Pacific Redwood Medical Group IncUkiah, CA · 58 clinicians
Hospital affiliation
- Adventist Health St HelenaSaint Helena, CA
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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