GARY S BUCHANAN (M.D.) – Emergency Medicine Physician, NPI 1043296643
Emergency Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
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Provider Addresses for GARY S BUCHANAN (M.D.)
Jack in the Box, South Post Oak Road, Houston, Fort Bend County, Texas, 77053, United States
HOUSTON, TX 772160993
Phone: (281) 784-1111
Fax: (281) 784-1555
Type: Mailing
Mainland Medical Center, 6801, Emmett F Lowry Expressway, Texas City, Galveston County, Texas, 77591, United States
TEXAS CITY, TX 775912500
Phone: (409) 938-5000
Fax: (409) 938-5001
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 $18.
Total Amount is formed as General ($18) + Research ($0) + Ownership ($0) = $18.
Last reported payment date: 2023-07-25 • Largest payer in this snapshot: Organon LLC ($18).
Total Amount
$18
General + Research + Ownership
Payments
1
Total payment records
General Amount
$18
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-07-25
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Organon LLC | $18 |
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: 2004-09-29
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 |
|---|---|---|---|---|
| I20040929000327 | I | Emergency Medicine | 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.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 77216)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Family Practice | TX | |
| Family Practice | TX | |
| Internal Medicine, Pediatric Medicine | WA | |
| Nurse Practitioner | TX | |
| Physician Assistant | TX | |
| Nurse Practitioner | TX | |
| Physician Assistant | TX | |
| Nurse Practitioner | FL | |
| Nurse Practitioner | TX | |
| Physician Assistant | TX |
Reviews
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