DR. MERRY CHEN (MD) – Neurology Physician, NPI 1003022013
Neurology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,738 NEUROLOGY in TX
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Provider Addresses for DR. MERRY CHEN (MD)
P O BOX 4439
HOUSTON, TX 772104439
Phone: (713) 792-2991
Type: Mailing
University of Texas MD Anderson Cancer Center, 1515, Holcombe Boulevard, Texas Medical Center, Houston, Harris County, Texas, 77030, United States
HOUSTON, TX 770304009
Phone: (713) 792-6161
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 5 Open Payments records for all available years, with a total value of $198.
Total Amount is formed as General ($198) + Research ($0) + Ownership ($0) = $198.
Last reported payment date: 2024-10-02 • Largest payer in this snapshot: Medtronic, Inc. ($120).
Total Amount
$198
General + Research + Ownership
Payments
5
Total payment records
General Amount
$198
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-10-02
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Medtronic, Inc. | $120 |
| Neurocrine BioSciences Inc. | $32 |
| EMD Serono, Inc. | $27 |
| Novartis Pharmaceuticals Corporation | $19 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2012-01-24
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20120124000711 | I | Neurology | TX | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 95816 | Measurement of brain wave activity (eeg), awake and drowsy | 139 | 125 | $0 |
| 99205 | New patient office or other outpatient visit, 60-74 minutes | 90 | 90 | $0 |
| 95819 | Measurement of brain wave activity (eeg), awake and asleep | 87 | 80 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 86 | 74 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 77 | 75 | $0 |
Insurance plans in this area (ZIP 77210)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | TX | |
| Physician Assistant | TX | |
| Nurse Practitioner | TX | |
| Physician Assistant | TX | |
| Nurse Practitioner | TX | |
| - | TX | |
| Nurse Practitioner | TX | |
| Physician Assistant | TX | |
| Nurse Practitioner | TX | |
| Physician Assistant | TX |
Reviews
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