SANDRA AGUAYO CASTANON P. A.
NPI 1114472412
Physician Assistant in Crystal City, TX

Active since August 17, 2016PECOS EnrolledAccepts Medicare Assignment
308 S CESAR CHAVEZ AVE, CRYSTAL CITY, TX 78839(830) 374-2301(830) 374-9368 Get Directions Write a Review

NPPES record last updated: August 17, 2016. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Sandra Aguayo Castanon P. A. NPPES

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

SANDRA AGUAYO CASTANON P. A. (NPI 1114472412) is an individual physician assistant in Crystal City, Texas and active in the NPI registry since August 2016. She is enrolled in Medicare PECOS, is affiliated with Uvalde Memorial Hospital, and is a graduate of Other (2016).

NPPES Registry Identity

NPI1114472412
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameSANDRA AGUAYO CASTANONCredential: P. A.
Location Address308 S CESAR CHAVEZ AVECrystal City, TX 78839-4200
Mailing Address308 S Cesar Chavez AveCrystal City, TX 78839-4200 · (830) 374-2301 · Fax (830) 374-9368
Fax(830) 374-9368
Sole ProprietorNo
Medical School CMSOtherGraduated 2016
Enumeration DateAugust 17, 2016
NPI 1114472412 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
Definition

A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

308 S CESAR CHAVEZ AVE, Crystal City, TX 78839

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

Sandra Aguayo Castanon P. A. 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 ID6406138387
PECOS Enrollment IDI20170130001429
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

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.

Urinalysis, manual test 81002
A urinalysis is a simple, non-invasive test that checks the urine for various elements such as sugar, protein, and signs of infection. It can help detect many common conditions, including kidney disease and diabetes. The manual test involves a lab technician examining a urine sample.
26 services15 patients

Hospital Affiliations CMS Care Compare

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

Uvalde Memorial Hospital

Critical Access Hospitals · Uvalde, TX
OwnershipGovernment - Hospital District or Authority
CMS Certification Number451387
Location1025 Garner Field RoadUvalde, TX 78801 · Uvalde County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78839 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
$84.92 typical visit price
range $54.84 – $166.88
Typical copayment $21.23 (range $13.71 – $41.72)
Most-billed visit code 99203
Established Patient
$68.55 typical visit price
range $17.52 – $136.11
Typical copayment $17.13 (range $4.38 – $34.02)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 13

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

Counselor
308 S CESAR CHAVEZ AVE
CRYSTAL CITY, TX 78839
Dentist (General Practice)
308 S CESAR CHAVEZ AVE
CRYSTAL CITY, TX 78839
Counselor (Professional)
308 S CESAR CHAVEZ AVE
CRYSTAL CITY, TX 78839
Nurse Practitioner (Family)
308 S CESAR CHAVEZ AVE
CRYSTAL CITY, TX 78839
Nurse Practitioner (Family)
308 S CESAR CHAVEZ AVE
CRYSTAL CITY, TX 78839
Dental Hygienist
308 S CESAR CHAVEZ AVE
CRYSTAL CITY, TX 78839
Nurse Practitioner (Family)
308 S CESAR CHAVEZ AVE
CRYSTAL CITY, TX 78839
Physician Assistant
308 S CESAR CHAVEZ AVE
CRYSTAL CITY, TX 78839

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 Sandra Castanon's NPI number?

The NPI number for Sandra Castanon is 1114472412. It was assigned to this individual provider in the NPPES registry on August 17, 2016.

Where is Sandra Castanon located?

Sandra Castanon practices at 308 S Cesar Chavez Ave, Crystal City, TX 78839. The listed phone number is (830) 374-2301.

What is Sandra Castanon's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Sandra Castanon enrolled in Medicare?

Yes. Sandra Castanon 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 Sandra Castanon accept?

Health plans from Blue Cross and Blue Shield of Texas list Sandra Castanon 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 Sandra Castanon affiliated with any hospitals?

According to CMS data, Sandra Castanon is affiliated with Uvalde Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Sandra Castanon was last updated on August 17, 2016. NPI Profile syncs with the weekly NPPES data releases published by CMS.