Myra Christina Chai, M.D.
NPI 1629457783ActiveIndividual· Internal Medicine· Los Angeles, CA
Internal Medicine (M.D.) in Los Angeles, California, licensed in CA, with an NPI issued in May 2015. In 2024 Medicare paid $413,487 for 473 patients, and Part D covered 2,785 of their prescriptions, 86% of them generic. Novo Nordisk Inc was the largest of 10 companies reporting payments in 2025, $1,032 in all, mostly food and beverage. Lists Cedars-Sinai Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1629457783 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | May 22, 2015 |
| Last updated in NPPES | Sep 27, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A156679 | CA |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 473 |
|---|---|
| Services billed | 4,548 across 28 procedure codes |
| Paid by Medicare | $413,487 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,785 · 6,092 30-day fills |
|---|---|
| Patients | 262 |
| Total drug cost | $362,347 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 2015 |
|---|---|
| Medicare specialty | Internal Medicine |
Hospital affiliations
- Cedars-Sinai Medical CenterLos Angeles, CA
- Pih Health Good Samaritan HospitalLos Angeles, CA
Other facilities
- Cross Care, IncHome health agency · Los Angeles, CA
- Three Olives Home Health Corp.Home health agency · Reseda, CA
- Good Samaritan HospitalInpatient rehabilitation facility · Los Angeles, CA
Industry payments (Open Payments)
- 2025$1,032 · 33 payments from 10 companies
- 2024$1,462 · 40 payments from 14 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $186.96 | 8 |
| Shockwave Medical, Inc | $150.00 | 1 |
| Boston Scientific Corporation | $150.00 | 1 |
| Pfizer Inc. | $147.56 | 6 |
| Abbvie Inc. | $106.16 | 5 |
What the 2025 payments were for
- Food and Beverage$1,032 · 33 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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