CHRISTOPHER MERKL (M.D.) – Behavioral Neurology & Neuropsychiatry Physician, NPI 1497723142
Behavioral Neurology & Neuropsychiatry Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
2,132 PSYCHIATRY in TX
Provider Addresses for CHRISTOPHER MERKL (M.D.)
5177 RICHMOND AVE STE 250
HOUSTON, TX 770566718
Phone: (713) 665-0472
Fax: (888) 240-1649
Type: Location
Southwest Freeway, Houston, Harris County, Texas, 77004, United States
STE 800
HOUSTON, TX 770277216
Phone: (713) 623-6717
Fax: (888) 240-1649
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
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: 2005-05-24
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 |
|---|---|---|---|---|
| I20050524000654 | I | Neuropsychiatry | 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 |
|---|---|---|---|---|
| 99308 | Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes | 461 | 181 | $0 |
| 99306 | Initial nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes | 223 | 221 | $0 |
| 99309 | Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes | 198 | 124 | $0 |
| 99347 | Residence visit for established patient with straightforward medical decision making, per day, if using time, at least 15 minutes | 166 | 79 | $0 |
| 99348 | Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes | 92 | 60 | $0 |
Insurance plans in this area (ZIP 77056)
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