Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. GONZALO A. AILLON II D.O.
NPI 1598790644
Internal Medicine in Irving, TX

Q: What is Gonzalo Aillon's NPI number?

The NPI number for Gonzalo Aillon is 1598790644. It was assigned to this individual provider in the NPPES registry on July 11, 2006.

Q: What is Gonzalo Aillon's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Gonzalo Aillon was last updated on September 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 35 days 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.

Active since July 11, 2006PECOS Enrolled

2928 N BELT LINE RD, IRVING, TX 75062(214) 307-7786(469) 460-9091 Get Directions Write a Review

NPPES record last updated: September 24, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 24, 2026, Oct 8, 2019 (2 updates tracked since 2019).

On this page

About Dr. Gonzalo A. Aillon Ii D.o. NPPES

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

DR. GONZALO A. AILLON II D.O. (NPI 1598790644) is an individual internal medicine provider in Irving, Texas, licensed in Texas (L2781) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS and maintains 4 additional practice locations.

NPPES Registry Identity

NPI1598790644

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameDR. GONZALO A. AILLON IICredential: D.O.

Location Address2928 N BELT LINE RDIrving, TX 75062-5247

Mailing AddressPo Box 746079Atlanta, GA 30374-6079 · (773) 352-1515 · Fax (312) 929-0373

Phone(214) 307-7786

Fax(469) 460-9091

Sole ProprietorNo

Enumeration DateJuly 11, 2006

Last NPPES UpdateSeptember 24, 20262 updates tracked since enumeration

NPPES CertifiedSeptember 24, 2026

✔ NPI 1598790644 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 · L2781

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.

2928 N BELT LINE RD, Irving, TX 75062

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Secondary Practice Locations 4

Location 14400 Oak Park LnFort Worth, TX 76109-9534 · Phone (817) 985-7772 · Fax (817) 961-1577

Location 21401 S Rangerville RdHarlingen, TX 78552-7638 · Phone (956) 430-2408

Location 31605 N State Highway 118 Ste BAlpine, TX 79830-2150 · Phone (432) 837-4812

Location 44545 Fuller Dr, Suite 325Irving, TX 75038-6530 · Phone (214) 536-3355 · Fax (972) 870-5512

Other Identifiers 2

Medicaid158305602TX

Medicaid158305603TX

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Gonzalo A. Aillon Ii D.o. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Medicare Billing Reassignment

Medicare enrollment records show Gonzalo Aillon reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Strategic Medical Group Tx PLLC

28 mi

Primary Care

6317 HARRIS PKWY STE 450
Fort Worth, TX 76132

Reassigned Medicare billing, Texas enrollment
37 clinicians in this Medicare group

NPI 1053027680 (817) 433-5155

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 75062 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

$131.01 typical visit price

range $57.18 – $172.86

Typical copayment $32.75 (range $14.29 – $43.21)

Most-billed visit code 99204

Established Patient

$100.80 typical visit price

range $18.48 – $141.20

Typical copayment $25.20 (range $4.62 – $35.30)

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.

Other Providers at the Same Location NPPES 5

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

ENAAM H ALSOUFI MD

Family Medicine