JEFFREY SCOTT HAMAKER (M.D.) – Surgery Physician, NPI 1699119545
Surgery Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
2,644 GENERAL SURGERY in TX
Provider Addresses for JEFFREY SCOTT HAMAKER (M.D.)
302 MEDICAL PARK DR STE 101
LUFKIN, TX 759043129
Phone: (936) 634-8216
Type: Mailing
PO BOX 150507
LUFKIN, TX 759150507
Phone: (936) 634-8216
Fax: (936) 888-2201
Type: Mailing
109 WESTSIDE MEDICAL BLVD
LUFKIN, TX 759041461
Phone: (936) 634-8216
Fax: (936) 888-2201
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 6 Open Payments records for all available years, with a total value of $615.
Total Amount is formed as General ($615) + Research ($0) + Ownership ($0) = $615.
Last reported payment date: 2024-04-01 • Largest payer in this snapshot: Intuitive Surgical, Inc. ($500).
Total Amount
$615
General + Research + Ownership
Payments
6
Total payment records
General Amount
$615
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-04-01
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Intuitive Surgical, Inc. | $500 |
| Ethicon US, LLC | $85 |
| Teleflex LLC | $16 |
| Medtronic, Inc. | $14 |
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: 2018-05-24
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 |
|---|---|---|---|---|
| I20180524000826 | I | General Surgery | 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 |
|---|---|---|---|---|
| 99231 | Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 137 | 61 | $0 |
| 99221 | Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes | 54 | 54 | $0 |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | 38 | 38 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 25 | 22 | $0 |
| 99212 | Established patient office or other outpatient visit, 10-19 minutes | 19 | 14 | $0 |
Insurance plans in this area (ZIP 75904)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| General Surgery | TX | |
| General Surgery | TX | |
| General Surgery | TX |
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