Merry Chen, MD
NPI 1003022013ActiveIndividual· Psychiatry & Neurology, Neurology· Houston, TX
Psychiatry & Neurology, Neurology (MD) with Physicians Referral Service, practicing in Houston, Texas. 552 Medicare patients in 2024, $64,063 paid; nearly all of their 393 Part D prescriptions were generic (96%). Neurocrine Biosciences, Inc. was the largest of 4 companies reporting payments in 2025, $195.14 in all, mostly food and beverage.
Overview
| NPI | 1003022013 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 15, 2007 |
| Last updated in NPPES | Jul 31, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Neurology Primary | 2084N0400X | P1061 | TX |
| Psychiatry & Neurology, Clinical Neurophysiology | 2084N0600X | 251741 | NY |
| Psychiatry & Neurology, Neurology | 2084N0400X | 229124 | MA |
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 - Neurology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 552 |
|---|---|
| Services billed | 805 across 23 procedure codes |
| Paid by Medicare | $64,063 |
Part D prescriptions in 2024
| Prescriptions (claims) | 393 · 634 30-day fills |
|---|---|
| Patients | 115 |
| Total drug cost | $25,504 |
| Generic share | 96% of claims |
Education and affiliations
| Graduation year | 2005 |
|---|---|
| Medicare specialty | Neurology |
| Telehealth | Offers telehealth |
Medical group
- Physicians Referral ServiceHouston, TX · 2,765 clinicians
Industry payments (Open Payments)
- 2025$195.14 · 4 payments from 4 companies
- 2024$197.60 · 5 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Neurocrine Biosciences, Inc. | $123.32 | 1 |
| Janssen Biotech, Inc. | $35.76 | 1 |
| Csl Behring | $21.01 | 1 |
| Novartis Pharmaceuticals Corporation | $15.05 | 1 |
What the 2025 payments were for
- Food and Beverage$195.14 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Psychiatry & Neurology, Neurology providers in Houston
- 1366657561
- 1578490405
- 1780826297
- 1881624666
- 1912001504
- 1750380226
- 1538886932
- 1558163865
- 1760634661
- 1851712103
- 1881510287
- 1093195257