Armen Garo Chalian, M.D.
NPI 1588685309ActiveIndividual· Anesthesiology· Orange, CA
Anesthesiology (M.D.) in Orange, California, trained at University of California, Geffen School of Medicine (class of 1989). Mostly services rather than prescriptions: Medicare paid $45,525 for 307 patients in 2024, with only 12 Part D claims. Heron Therapeutics, Inc. reported $121.37 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1588685309 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jul 21, 2006 |
| Last updated in NPPES | Feb 19, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Anesthesiology Primary | 207L00000X | G71003 | CA |
| Anesthesiology, Pain Medicine | 207LP2900X | G71003 | 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 - Anesthesiology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 307 |
|---|---|
| Services billed | 434 across 46 procedure codes |
| Paid by Medicare | $45,525 |
Part D prescriptions in 2024
| Prescriptions (claims) | 12 · 14 30-day fills |
|---|---|
| Total drug cost | $1,498 |
Education and affiliations
| Medical school | University of California, Geffen School of Medicine |
|---|---|
| Graduation year | 1989 |
| Medicare specialty | Anesthesiology |
Medical group
- Allied Anesthesia Medical Group IncOrange, CA · 191 clinicians
Hospital affiliation
- Providence St. Joseph HospitalOrange, CA
Industry payments (Open Payments)
- 2025$121.37 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Heron Therapeutics, Inc. | $121.37 | 1 |
What the 2025 payments were for
- Food and Beverage$121.37 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Anesthesiology providers in Orange
- 1346267267
- 1508523572
- 1659996197
- 1245457506
- 1285320580
- 1699495846
- 1871991042
- 1699843284
- 1871059246
- 1053030130
- 1578170916
- 1609338375