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DR. SILVIA CASTILLO SY M.D.
NPI 1245284801
Internal Medicine - Gastroenterology in Mission, TX

Active since May 19, 2006PECOS EnrolledAccepts Medicare Assignment
100/100
CMS Quality Rating
910 S BRYAN RD STE 209, MISSION, TX 78572(956) 424-1511(956) 424-3575 Get Directions Write a Review

NPPES record last updated: April 20, 2010. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Silvia Castillo Sy M.d. NPPES

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

DR. SILVIA CASTILLO SY M.D. (NPI 1245284801) is an individual gastroenterology provider in Mission, Texas, licensed in Texas (M1569) and active in the NPI registry since May 2006. She is enrolled in Medicare PECOS, is affiliated with Mission Regional Medical Center, and is a graduate of Other (1995).

NPPES Registry Identity

NPI1245284801
Entity TypeIndividualFemale
Primary Taxonomy207RG0100X
Provider Legal NameDR. SILVIA CASTILLO SYCredential: M.D.
Location Address910 S BRYAN RD STE 209Mission, TX 78572-6659
Mailing Address910 S Bryan Rd Ste 209Mission, TX 78572-6659 · (956) 424-1511 · Fax (956) 424-3575
Phone(956) 424-1511
Fax(956) 424-3575
Sole ProprietorNo
Medical School CMSOtherGraduated 1995
Enumeration DateMay 19, 2006
Last NPPES UpdateApril 20, 2010
✔ NPI 1245284801 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in TX · M1569
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
910 S BRYAN RD STE 209, Mission, TX 78572
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Other Names 1

Former Name (1)Dr. Silvia Karina Castillo Luna Md

Other Identifiers 3

Medicare PIN8F22268TX
Medicaid1787905-02TX
Medicare UPIN129840TX

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and more.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. Silvia Castillo Sy M.d. 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 ID7113960972
PECOS Enrollment IDI20051020001061
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.

Areas of Expertise CMS Part B claims 7

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.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
115 services82 patients
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239
This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.
57 services56 patients
Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito G0500
Moderate sedation is a method where a physician uses medication to help you relax during a gastrointestinal endoscopy. An independent trained observer will be present to monitor your vital signs and ensure your safety throughout the procedure. It's a common and safe practice.
46 services44 patients
Biopsy of large bowel using a flexible endoscope 45380
A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.
34 services34 patients
Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385
This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.
30 services30 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
26 services26 patients

Hospital Affiliations CMS Care Compare 2

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

Mission Regional Medical Center

Acute Care Hospitals · Mission, TX
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450176
Location900 South Bryan RoadMission, TX 78572 · Hidalgo County
Birthing friendly

Rio Grande Regional Hospital

Acute Care Hospitals · Mcallen, TX
3/5 CMS rating
OwnershipProprietary
CMS Certification Number450711
Location101 E Ridge RdMcallen, TX 78503 · Hidalgo County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78572 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.

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.

100/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality100
Promoting Interoperability86
Improvement Activities40

Referred Medical Equipment & Supplies CMS DME claims 2

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

Enteral feeding supply kit; syringe fed, per day, includes but not limited to feeding/flushing syringe, administration set tubing, dressings, tape B4034
Other-Enteral and Parenteral · category OB006N
1 supplier12 claims331 services$2.77 avg. paid by Medicare
Enteral formula, nutritionally complete, for special metabolic needs, excludes inherited disease of metabolism, includes altered composition of proteins, fats, carbohydrates, vitamins and/or minerals, may include fiber, administered through an enteral feeding tube, 100 calories = 1 unit B4154
Other-Enteral and Parenteral · category OB006N
1 supplier12 claims4,104 services$0.58 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MAYRA DERUPE FNP
Nurse Practitioner (Primary Care)
910 S BRYAN RD STE 209
MISSION, TX 78572
Hidalgo County (956) 424-1511
SILVIA CASTILLO SY MDPA
Internal Medicine (Gastroenterology)
910 S BRYAN RD STE 209
MISSION, TX 78572
Hidalgo County (956) 424-1511

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 Silvia Sy's NPI number?

The NPI number for Silvia Sy is 1245284801. It was assigned to this individual provider in the NPPES registry on May 19, 2006. The provider is also known as Dr. Silvia Karina Castillo Luna MD.

Where is Silvia Sy located?

Silvia Sy practices at 910 S Bryan Rd Ste 209, Mission, TX 78572. The listed phone number is (956) 424-1511.

What is Silvia Sy's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Silvia Sy enrolled in Medicare?

Yes. Silvia Sy 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.

What insurance does Silvia Sy accept?

Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 3 other insurers list Silvia Sy 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 Silvia Sy affiliated with any hospitals?

According to CMS data, Silvia Sy is affiliated with Mission Regional Medical Center and Rio Grande Regional Hospital.

When was this NPI record last updated?

The NPPES record for Silvia Sy was last updated on April 20, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.