Jennifer Huyen Macewan, M.D.
NPI 1336382019ActiveIndividual· Otolaryngology· Poway, CA
Otolaryngology (M.D.) in Poway, California, trained at Eastern Virginia Medical School (class of 2009). 451 Medicare patients in 2024, $122,600 paid; nearly all of their 325 Part D prescriptions were generic (98%). Genzyme Corporation was the largest of 5 companies reporting payments in 2025, $167.82 in all, mostly food and beverage.
Overview
| NPI | 1336382019 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 11, 2009 |
| Last updated in NPPES | May 1, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Otolaryngology Primary | 207Y00000X | A113181 | 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 - Otolaryngology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 451 |
|---|---|
| Services billed | 1,812 across 55 procedure codes |
| Paid by Medicare | $122,600 |
Part D prescriptions in 2024
| Prescriptions (claims) | 325 · 508 30-day fills |
|---|---|
| Patients | 147 |
| Total drug cost | $8,283 |
| Generic share | 98% of claims |
Education and affiliations
| Medical school | Eastern Virginia Medical School |
|---|---|
| Graduation year | 2009 |
| Medicare specialty | Otolaryngology |
Medical group
- Ashish K Wadhwa MD A Medical CorporationPoway, CA · 4 clinicians
Hospital affiliations
- Palomar Health Downtown CampusEscondido, CA
- Palomar Medical Center PowayPoway, CA
Industry payments (Open Payments)
- 2025$167.82 · 6 payments from 5 companies
- 2024$302.83 · 11 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Genzyme Corporation | $45.70 | 1 |
| Astrazeneca Pharmaceuticals LP | $40.60 | 2 |
| Stryker Corporation | $35.90 | 1 |
| Paratek Pharmaceuticals, Inc. | $27.32 | 1 |
| Hikma Pharmaceuticals USA | $18.30 | 1 |
What the 2025 payments were for
- Food and Beverage$167.82 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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