Harold E. Quan
NPI 1033220256ActiveIndividual· Internal Medicine, Cardiovascular Disease· Newhall, CA
Internal Medicine, Cardiovascular Disease in Newhall, California, licensed in CA, with an NPI issued in August 2006. In 2024 Medicare paid $306,053 for 589 patients, and Part D covered 3,895 of their prescriptions, 88% of them generic. Harmony Biosciences LLC was the largest of 4 companies reporting payments in 2025, $342.49 in all, mostly food and beverage. Lists Henry Mayo Newhall Hospital as a hospital affiliation.
Overview
| NPI | 1033220256 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Aug 31, 2006 |
| Last updated in NPPES | Feb 3, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | A34182 | 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 - Cardiovascular Disease (Cardiology) (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 589 |
|---|---|
| Services billed | 4,613 across 41 procedure codes |
| Paid by Medicare | $306,053 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,895 · 9,791 30-day fills |
|---|---|
| Patients | 293 |
| Total drug cost | $334,900 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 1972 |
|---|---|
| Medicare specialty | Cardiovascular Disease (Cardiology) |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Hospital affiliation
- Henry Mayo Newhall HospitalValencia, CA
Other facilities
- Option One Home Health IncHome health agency · Palmdale, CA
Industry payments (Open Payments)
- 2025$342.49 · 5 payments from 4 companies
- 2024$640.02 · 10 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Harmony Biosciences LLC | $169.87 | 2 |
| Astrazeneca Pharmaceuticals LP | $124.99 | 1 |
| Novartis Pharmaceuticals Corporation | $33.77 | 1 |
| Glaxosmithkline, LLC. | $13.86 | 1 |
What the 2025 payments were for
- Food and Beverage$342.49 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Cardiovascular Disease providers in Newhall
- 1740804715
- 1730290958
- 1619028149
- 1922119148
All Internal Medicine, Cardiovascular Disease providers in California →