DR. RUBEN DE LOS SANTOS MD PA
NPI 1467534008
Internal Medicine in Eagle Pass, TX

Active since October 20, 2006PECOS EnrolledAccepts Medicare AssignmentCLIA 45D0506359 · Certificate of Compliance
1955 EAST MAIN ST, EAGLE PASS, TX 78852(830) 773-7474(830) 773-2699 Get Directions Write a Review

NPPES record last updated: July 1, 2008. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Ruben De Los Santos Md Pa NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. RUBEN DE LOS SANTOS MD PA (NPI 1467534008) is an individual internal medicine provider in Eagle Pass, Texas, licensed in Texas (H6735) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS, holds a CLIA Certificate of Compliance certificate valid through January 17, 2028, and is affiliated with Fort Duncan Medical Center.

NPPES Registry Identity

NPI1467534008
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. RUBEN DE LOS SANTOSCredential: MD PA
Location Address1955 EAST MAIN STEagle Pass, TX 78852-4714
Mailing Address1955 East Main StEagle Pass, TX 78852-4714 · (830) 773-7474 · Fax (830) 773-2699
Fax(830) 773-2699
Sole ProprietorNo
Medical School CMSUniversity Of Texas Medical Branch At GalvestonGraduated 1986
Enumeration DateOctober 20, 2006
Last NPPES UpdateJuly 1, 2008
NPI 1467534008 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in TX · H6735
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
1955 EAST MAIN ST, Eagle Pass, TX 78852

Other Identifiers 3

Medicare PIN00B81WTX
Medicaid127850904TX
Medicare UPINC18903

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Ruben De Los Santos Md Pa 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.

PECOS PAC ID7214995000
PECOS Enrollment IDI20041227000594
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Compliance 45D0506359

Ruben De Los Santos MD PA · Eagle Pass, TX
Active · expires Jan 17, 2028
CLIA Number45D0506359
Laboratory TypePhysician Office
Certificate Effective DateJanuary 18, 2026
Certificate Expiration DateJanuary 17, 2028
Laboratory DirectorRuben De Los Santos MD
Laboratory Phone(830) 773-7474
Laboratory LocationRuben De Los Santos MD PA1955 East Main Street, Eagle Pass, TX 78852
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory after an inspection that finds the laboratory to be in compliance with all applicable CLIA requirements.

Areas of Expertise CMS Part B claims 23

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
868 services170 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
700 services102 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000
An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.
478 services148 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
456 services175 patients
Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
334 services139 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
262 services31 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Fort Duncan Medical Center

Acute Care Hospitals · Eagle Pass, TX
3/5 CMS rating
OwnershipProprietary
CMS Certification Number450092
Location3333 N Foster Maldonado BlvdEagle Pass, TX 78852 · Maverick County
Emergency services Birthing friendly

Methodist Hospital

Acute Care Hospitals · San Antonio, TX
4/5 CMS rating
OwnershipProprietary
CMS Certification Number450388
Location7700 Floyd Curl DrSan Antonio, TX 78229 · Bexar County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78852 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$126.40 typical visit price
range $54.84 – $166.88
Typical copayment $31.60 (range $13.71 – $41.72)
Most-billed visit code 99204
Established Patient
$97.05 typical visit price
range $17.52 – $136.11
Typical copayment $24.26 (range $4.38 – $34.02)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims 18

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
4 suppliers69 claims161 services$6.20 avg. paid by Medicare
Spring-powered device for lancet, each A4258
DME-Other DME · category DE000N
2 suppliers19 claims19 services$1.62 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
4 suppliers69 claims78 services$1.06 avg. paid by Medicare
Tape, waterproof, per 18 square inches A4452
DME-Medical/Surgical Supplies · category DA000N
5 suppliers23 claims3,045 services$0.37 avg. paid by Medicare
Tracheostomy care kit for established tracheostomy A4629
DME-Orthotic Devices · category DF000N
1 supplier11 claims341 services$4.08 avg. paid by Medicare
Collagen based wound filler, dry form, sterile, per gram of collagen A6010
DME-Medical/Surgical Supplies · category DA023N
3 suppliers18 claims294 services$29.32 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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 Ruben De Los Santos's NPI number?

The NPI number for Ruben De Los Santos is 1467534008. It was assigned to this individual provider in the NPPES registry on October 20, 2006.

Where is Ruben De Los Santos located?

Ruben De Los Santos practices at 1955 East Main St, Eagle Pass, TX 78852. The listed phone number is (830) 773-7474.

What is Ruben De Los Santos's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Ruben De Los Santos enrolled in Medicare?

Yes. Ruben De Los Santos 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.

Does Ruben De Los Santos hold a CLIA laboratory certificate?

Yes. A Certificate of Compliance (number 45D0506359) is associated with this NPI, valid through January 17, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Ruben De Los Santos accept?

Health plans from Blue Cross and Blue Shield of Texas, Molina Healthcare and UnitedHealthcare list Ruben De Los Santos 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 Ruben De Los Santos affiliated with any hospitals?

According to CMS data, Ruben De Los Santos is affiliated with Fort Duncan Medical Center and Methodist Hospital.

When was this NPI record last updated?

The NPPES record for Ruben De Los Santos was last updated on July 1, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.