CHRISTOPHER MERCHUN (M.D.) – Anesthesiology Physician, NPI 1245680347
Anesthesiology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
4,591 ANESTHESIOLOGY in TX
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Provider Addresses for CHRISTOPHER MERCHUN (M.D.)
Oak Lawn Avenue, Oak Lawn, Dallas, TX, Dallas, Dallas County, Texas, 75219, United States
DALLAS, TX 752194265
Phone: (214) 252-3535
Type: Mailing
Medical City Arlington, 3301, Matlock Road, Arlington, Tarrant County, Texas, 76015, United States
ARLINGTON, TX 760152908
Phone: (682) 509-6200
Type: Location
PO BOX 650823 DEPT 41197
DALLAS, TX 752650823
Phone: (800) 411-7515
Type: Mailing
3625 N HALL ST STE 800
DALLAS, TX 752195106
Phone: (214) 252-3500
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 1 Open Payments records for all available years, with a total value of $16.
Total Amount is formed as General ($16) + Research ($0) + Ownership ($0) = $16.
Last reported payment date: 2024-12-12 • Largest payer in this snapshot: Integra LifeSciences Corporation ($16).
Total Amount
$16
General + Research + Ownership
Payments
1
Total payment records
General Amount
$16
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-12
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Integra LifeSciences Corporation | $16 |
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: 2020-07-08
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 |
|---|---|---|---|---|
| I20200708001902 | I | Anesthesiology | 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 |
|---|---|---|---|---|
| 00811 | Anesthesia for other procedure on large bowel using an endoscope | 21 | 21 | $0 |
| 00731 | Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | 19 | 19 | $0 |
| 00790 | Anesthesia for other procedure on upper abdomen | 15 | 15 | $0 |
| 64447 | Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) | 13 | 13 | $0 |
| 00812 | Anesthesia for exam of colon using an endoscope | 13 | 13 | $0 |
Insurance plans in this area (ZIP 75219)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| A N E S T H E S I O L O G Y | TX | |
| A N E S T H E S I O L O G Y | TX | |
| A N E S T H E S I O L O G Y | OK | |
| A N E S T H E S I O L O G Y | TX | |
| A N E S T H E S I O L O G Y | TX | |
| A N E S T H E S I O L O G Y | TX | |
| A N E S T H E S I O L O G Y | TX | |
| A N E S T H E S I O L O G Y | TX | |
| A N E S T H E S I O L O G Y | TX | |
| A N E S T H E S I O L O G Y | TX |
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