DR. ILIANA ARELLANO MD
NPI 1710917794
Internal Medicine - Cardiovascular Disease in San Antonio, TX

Active since July 04, 2006PECOS EnrolledAccepts Medicare Assignment
4330 MEDICAL DR STE 500, SAN ANTONIO, TX 78229(210) 558-0122(210) 558-0120 Get Directions Write a Review

NPPES record last updated: April 10, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Apr 10, 2026, Mar 7, 2023, Jul 27, 2022 and 2 more (5 updates tracked since 2017).

About Dr. Iliana Arellano Md NPPES

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

DR. ILIANA ARELLANO MD (NPI 1710917794) is an individual cardiovascular disease provider in San Antonio, Texas, licensed in Texas (P9147) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS, is affiliated with Peterson Regional Medical Center, and is a graduate of University Of Texas Southwestern Medical School At Dallas (1994).

NPPES Registry Identity

NPI1710917794
Entity TypeIndividualFemale
Primary Taxonomy207RC0000X
Provider Legal NameDR. ILIANA ARELLANOCredential: MD
Location Address4330 MEDICAL DR STE 500San Antonio, TX 78229-3318
Mailing Address4330 Medical Dr Ste 500San Antonio, TX 78229-3318 · (210) 558-0122 · Fax (210) 558-0120
Fax(210) 558-0120
Sole ProprietorNo
Medical School CMSUniversity Of Texas Southwestern Medical School At DallasGraduated 1994
Enumeration DateJuly 4, 2006
Last NPPES UpdateApril 10, 20265 updates tracked since enumeration
NPPES CertifiedApril 10, 2026
NPI 1710917794 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
License Licensed in TX · P9147
Definition

An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.

Also ListedInternal Medicine · Advanced Heart Failure and Transplant CardiologyTaxonomy 207RA0001X · License P9147 (TX)
4330 MEDICAL DR STE 500, San Antonio, TX 78229

Other Names 1

Other Name (5)N/a N/a Md

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. Iliana Arellano 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.

PECOS PAC ID9436047248
PECOS Enrollment IDI20191008003935
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 17

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 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.
779 services477 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
579 services436 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.
565 services417 patients
Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306
This is a heart ultrasound, also known as an echocardiogram. It uses sound waves to create pictures of your heart, showing how blood flows through it. The color depicts the blood flow's speed and direction. It also checks the heart's valves to ensure they're working properly.
179 services179 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
153 services117 patients
Heart rhythm recording of continous external ekg over 8-15 days 93246
A heart rhythm recording is a non-invasive procedure where a small device, attached externally, monitors your heart's electrical activity for 8-15 days. It helps detect irregular heart rhythms, assess heart rate, and guide treatment decisions. It's safe, painless, and can be done during normal daily activities.
129 services87 patients

Hospital Affiliations CMS Care Compare 4

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

Peterson Regional Medical Center

Acute Care Hospitals · Kerrville, TX
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450007
Location551 Hill Country DriveKerrville, TX 78028 · Kerr 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

Hill Country Memorial Hospital

Acute Care Hospitals · Fredericksburg, TX
5/5 CMS rating
OwnershipProprietary
CMS Certification Number450604
Location1020 South State Highway 16Fredericksburg, TX 78624 · Gillespie County
Emergency services Birthing friendly

Kimble Hospital

Critical Access Hospitals · Junction, TX
OwnershipProprietary
CMS Certification Number451306
Location349 Reid RoadJunction, TX 76849 · Kimble County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78229 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
$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 15

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

Internal Medicine (Cardiovascular Disease)
4330 MEDICAL DR STE 500
SAN ANTONIO, TX 78229
Internal Medicine (Cardiovascular Disease)
4330 MEDICAL DR STE 500
SAN ANTONIO, TX 78229
Nurse Practitioner (Family)
4330 MEDICAL DR STE 500
SAN ANTONIO, TX 78229
Nurse Practitioner (Family)
4330 MEDICAL DR STE 500
SAN ANTONIO, TX 78229
Internal Medicine
4330 MEDICAL DR STE 500
SAN ANTONIO, TX 78229
Clinical Nurse Specialist (Adult Health)
4330 MEDICAL DR STE 500
SAN ANTONIO, TX 78229
Family Medicine
4330 MEDICAL DR STE 500
SAN ANTONIO, TX 78229
Psychiatry & Neurology (Neurology)
4330 MEDICAL DR STE 500
SAN ANTONIO, TX 78229

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 Iliana Arellano's NPI number?

The NPI number for Iliana Arellano is 1710917794. It was assigned to this individual provider in the NPPES registry on July 4, 2006. The provider is also known as N/A N/A MD.

Where is Iliana Arellano located?

Iliana Arellano practices at 4330 Medical Dr Ste 500, San Antonio, TX 78229. The listed phone number is (210) 558-0122.

What is Iliana Arellano's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is Iliana Arellano enrolled in Medicare?

Yes. Iliana Arellano 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 Iliana Arellano 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 2 other insurers list Iliana Arellano 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 Iliana Arellano affiliated with any hospitals?

According to CMS data, Iliana Arellano is affiliated with Peterson Regional Medical Center, Methodist Hospital, Hill Country Memorial Hospital and Kimble Hospital.

When was this NPI record last updated?

The NPPES record for Iliana Arellano was last updated on April 10, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.