Dennis Mamaril, MD
NPI 1508832601ActiveIndividual· Internal Medicine· Poway, CA
Internal Medicine (MD) in Poway, California, trained at New York Medical College (class of 2000). Their prescriptions cost Medicare Part D more than their services did: $650,244 for 5,548 claims, against $72,567 paid for services in 2024. Amgen Inc. was the largest of 8 companies reporting payments in 2025, $313.97 in all, mostly food and beverage.
Overview
| NPI | 1508832601 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Feb 27, 2006 |
| Last updated in NPPES | Jul 22, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A90180 | 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 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 - Internal Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 283 |
|---|---|
| Services billed | 1,486 across 42 procedure codes |
| Paid by Medicare | $72,567 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,548 · 13,332 30-day fills |
|---|---|
| Patients | 497 |
| Total drug cost | $650,244 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | New York Medical College |
|---|---|
| Graduation year | 2000 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Arch Health Partners IncPoway, CA · 145 clinicians
Hospital affiliations
- Palomar Health Downtown CampusEscondido, CA
- Palomar Medical Center PowayPoway, CA
Other facilities
- Advantage Health SystemsHome health agency · San Diego, CA
- Archer Health IncHome health agency · Carlsbad, CA
Industry payments (Open Payments)
- 2025$313.97 · 14 payments from 8 companies
- 2024$133.87 · 7 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $54.32 | 3 |
| Merck Sharp & Dohme LLC | $52.50 | 2 |
| Hologic Sales and Service, LLC | $51.75 | 2 |
| Pfizer Inc. | $44.96 | 2 |
| Glaxosmithkline, LLC. | $40.12 | 2 |
What the 2025 payments were for
- Food and Beverage$313.97 · 14 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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