MR. SAMUEL S SANTIAGO MD
NPI 1689684227
Internal Medicine in Lufkin, TX
About Mr. Samuel S Santiago Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. SAMUEL S SANTIAGO MD (NPI 1689684227) is an individual internal medicine provider in Lufkin, Texas, licensed in Texas (L1450) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with Ut Health East Texas Tyler Regional Hospital, and is a graduate of Other (1982).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 4
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Mr. Samuel S Santiago Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
6Medicare enrollment records show Samuel Santiago reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Lufkin, TX 75904
- Reassigned Medicare billing, Texas enrollment
- 2 clinicians in this Medicare group
Lufkin, TX 75904
- Reassigned Medicare billing, Texas enrollment
- 84 clinicians in this Medicare group
Tyler, TX 75702
- Reassigned Medicare billing, Texas enrollment
- 2,745 clinicians in this Medicare group
Beaumont, TX 77701
- Reassigned Medicare billing, Texas enrollment
- 478 clinicians in this Medicare group
Humble, TX 77338
- Reassigned Medicare billing, Texas enrollment
- 2,009 clinicians in this Medicare group
Dallas, TX 75231
- Reassigned Medicare billing, Texas enrollment
- 1,208 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 5
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ut Health East Texas Tyler Regional Hospital
Acute Care Hospitals · Tyler, TXChi St Lukes Health Memorial Lufkin
Acute Care Hospitals · Lufkin, TXWoodland Heights Medical Center
Acute Care Hospitals · Lufkin, TXLongview Regional Medical Center
Acute Care Hospitals · Longview, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 75904 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Samuel Santiago's NPI number?
The NPI number for Samuel Santiago is 1689684227. It was assigned to this individual provider in the NPPES registry on August 8, 2006.
Where is Samuel Santiago located?
Samuel Santiago practices at 202 S Bynum, Lufkin, TX 75904. The listed phone number is (936) 632-9277.
What is Samuel Santiago's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Samuel Santiago enrolled in Medicare?
Yes. Samuel Santiago is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Samuel Santiago's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Samuel Santiago reassigns Medicare benefits to 6 organizations: Lufkin Adult Medicine Clinic (Lufkin, TX), Lufkin Physician Services PA (Lufkin, TX), Christus Trinity Clinic Texas (Tyler, TX), Sound Inpatient Physicians Of Texas I, Inc (Beaumont, TX), Hospitalist Medicine Physicians Of Texas, PLLC (Humble, TX) and 1 more organization, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Samuel Santiago's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Samuel Santiago accept?
Health plans from Blue Cross and Blue Shield of Texas, CHRISTUS Health Plan, Oscar Health and Oscar Insurance Company list Samuel Santiago as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Samuel Santiago affiliated with any hospitals?
According to CMS data, Samuel Santiago is affiliated with Ut Health East Texas Tyler Regional Hospital, Chi St Lukes Health Memorial Lufkin, Woodland Heights Medical Center and Longview Regional Medical Center.
When was this NPI record last updated?
The NPPES record for Samuel Santiago was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Mr. Samuel S Santiago, MD · NPI 1689684227
Internal Medicine physician in Lufkin, Texas. Individual provider, active in the CMS NPPES registry since August 8, 2006.
## Identity
- **NPI:** 1689684227 (Entity type: Individual)
- **Enumerated:** August 8, 2006
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** L1450 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 202 S BYNUM, Lufkin, TX 75904
- **Phone:** (936) 632-9277 · **Fax:** (936) 632-9285
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 6 organizations under Medicare reassignment (form CMS-855R): Lufkin Adult Medicine Clinic (NPI 1689738338, Lufkin, TX); Lufkin Physician Services PA (NPI 1881093789, Lufkin, TX); Christus Trinity Clinic Texas (NPI 1285684225, Tyler, TX); Sound Inpatient Physicians Of Texas I, Inc (NPI 1457643223, Beaumont, TX); Hospitalist Medicine Physicians Of Texas, PLLC (NPI 1629307095, Humble, TX); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1982
## Record status
- **NPPES last updated:** July 8, 2007
- **Other identifiers:** Other 8N2701 (TX); Medicare UPIN G91774; Medicare ID-Type Unspecified 8966M0; and 1 more
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Source: [NPI Profile](https://npiprofile.com/npi/1689684227) · Data from the CMS NPPES public registry.