Chrystene A. Nguyen, M.D.
NPI 1710123609ActiveIndividual· Family Medicine· Costa Mesa, CA
Family Medicine (M.D.) in Costa Mesa, California, trained at University of California, Davis School of Medicine (class of 2006). In 2024 Medicare paid $18,805 for 148 patients, and Part D covered 161 of their prescriptions, 86% of them generic. Zoll Respicardia, Inc. was the largest of 2 companies reporting payments in 2025, $31.26 in all, mostly food and beverage.
Overview
| NPI | 1710123609 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Dec 23, 2008 |
| Last updated in NPPES | Nov 5, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | A101855 | 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 - Family Practice (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 148 |
|---|---|
| Services billed | 252 across 20 procedure codes |
| Paid by Medicare | $18,805 |
Part D prescriptions in 2024
| Prescriptions (claims) | 161 · 223 30-day fills |
|---|---|
| Patients | 107 |
| Total drug cost | $7,362 |
| Generic share | 86% of claims |
Education and affiliations
| Medical school | University of California, Davis School of Medicine |
|---|---|
| Graduation year | 2006 |
| Medicare specialty | Family Practice |
Medical group
- Hmts IncIrvine, CA · 118 clinicians
Industry payments (Open Payments)
- 2025$31.26 · 2 payments from 2 companies
- 2024$935.23 · 21 payments from 14 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Zoll Respicardia, Inc. | $16.96 | 1 |
| Philips North America LLC | $14.30 | 1 |
What the 2025 payments were for
- Food and Beverage$31.26 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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