Denise Louise Ammon, M.D.
NPI 1518222876ActiveIndividual· Emergency Medicine· Stockton, CA
Emergency Medicine (M.D.) in Stockton, California, trained at Tulane University School of Medicine (class of 2012). 562 Medicare patients in 2024, $83,605 paid; nearly all of their 124 Part D prescriptions were generic (98%).
Overview
| NPI | 1518222876 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jul 11, 2012 |
| Last updated in NPPES | Jul 13, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | 140686 | CA |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Emergency Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 562 |
|---|---|
| Services billed | 779 across 22 procedure codes |
| Paid by Medicare | $83,605 |
Part D prescriptions in 2024
| Prescriptions (claims) | 124 · 124 30-day fills |
|---|---|
| Patients | 90 |
| Total drug cost | $1,201 |
| Generic share | 98% of claims |
Education and affiliations
| Medical school | Tulane University School of Medicine |
|---|---|
| Graduation year | 2012 |
| Medicare specialty | Emergency Medicine |
Medical groups
- Cep America - CaliforniaPomona, CA · 1,292 clinicians
- Team Physicians of California Medical Group IncStockton, CA · 98 clinicians
- San Francisco Physicians International Medical Group IncStockton, CA · 41 clinicians
Hospital affiliations
- John Muir Medical Center - Concord CampusConcord, CA
- St Joseph's Medical Center of StocktonStockton, 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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