MR. SAMUEL S SANTIAGO (MD) – Internal Medicine Physician, NPI 1689684227
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
4,050 EMERGENCY MEDICINE in TX
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Provider Addresses for MR. SAMUEL S SANTIAGO (MD)
202, South Bynum, Lufkin, Angelina County, Texas, 75904, United States
LUFKIN, TX 75904
Phone: (936) 632-9277
Fax: (936) 632-9285
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 4 Open Payments records for all available years, with a total value of $72.
Total Amount is formed as General ($72) + Research ($0) + Ownership ($0) = $72.
Last reported payment date: 2024-05-06 • Largest payer in this snapshot: PFIZER INC. ($20).
Total Amount
$72
General + Research + Ownership
Payments
4
Total payment records
General Amount
$72
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-05-06
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| PFIZER INC. | $20 |
| AstraZeneca Pharmaceuticals LP | $18 |
| Janssen Pharmaceuticals, Inc | $17 |
| Boston Scientific Corporation | $17 |
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: 2004-08-06
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 |
|---|---|---|---|---|
| I20040806000906 | I | Internal 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.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 439 | 162 | $0 |
| 99239 | Hospital discharge day management, more than 30 minutes | 181 | 171 | $0 |
| 99291 | Critical care, first 30-74 minutes | 98 | 32 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 87 | 85 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 50 | 33 | $0 |
Insurance plans in this area (ZIP 75904)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Family Practice | AL | |
| Internal Medicine | TX | |
| Internal Medicine | IL | |
| Hospitalist, Family Practice | TX | |
| Hospitalist, Internal Medicine | TX | |
| Hospitalist, Emergency Medicine, Internal Medicine | NY | |
| Internal Medicine | TX | |
| Internal Medicine, Hospitalist | FL | |
| Internal Medicine | TX | |
| Internal Medicine | NY |
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