Helen Patzanakidis, M.D.
NPI 1639288368ActiveIndividual· Internal Medicine· Corona, CA
Internal Medicine (M.D.) with Citrus Valley Medical Associates Inc, practicing in Corona, California. Their prescriptions cost Medicare Part D more than their services did: $1,176,108 for 10,751 claims, against $69,290 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 16 companies reporting payments in 2025, $792.95 in all, mostly food and beverage.
Overview
| NPI | 1639288368 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Aug 29, 2006 |
| Last updated in NPPES | Jun 1, 2026 |
| Certified by provider | Jun 1, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A83624 | 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 - Family Practice (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 201 |
|---|---|
| Services billed | 1,184 across 38 procedure codes |
| Paid by Medicare | $69,290 |
Part D prescriptions in 2024
| Prescriptions (claims) | 10,751 · 23,228 30-day fills |
|---|---|
| Patients | 575 |
| Total drug cost | $1,176,108 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 1993 |
|---|---|
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Medical group
- Citrus Valley Medical Associates IncCorona, CA · 14 clinicians
Industry payments (Open Payments)
- 2025$792.95 · 39 payments from 16 companies
- 2024$931.57 · 46 payments from 16 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $145.55 | 11 |
| Sumitomo Pharma America, Inc. | $103.65 | 6 |
| Abbott Laboratories | $61.84 | 3 |
| Novo Nordisk Inc | $56.83 | 2 |
| Abbvie Inc. | $56.25 | 2 |
What the 2025 payments were for
- Food and Beverage$792.95 · 39 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 85 internal medicine physicians in Corona · All internal medicine physicians in California