DR. AMR MAZEN ARAR MD
NPI 1992334395
Internal Medicine - Gastroenterology in San Antonio, TX

Active since April 07, 2020PECOS Enrolled
18707 HARDY OAK BLVD STE 225, SAN ANTONIO, TX 78258(210) 614-1234 Get Directions Write a Review

NPPES record last updated: August 11, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 11, 2026, Apr 7, 2020 (2 updates tracked since 2020).

About Dr. Amr Mazen Arar Md NPPES

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

DR. AMR MAZEN ARAR MD (NPI 1992334395) is an individual gastroenterology provider in San Antonio, Texas, licensed in Texas (W3227) and active in the NPI registry since April 2020. He is enrolled in Medicare PECOS, maintains a secondary practice location in Aurora, and is a graduate of Other (2020).

NPPES Registry Identity

NPI1992334395
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameDR. AMR MAZEN ARARCredential: MD
Location Address18707 HARDY OAK BLVD STE 225San Antonio, TX 78258-4869
Mailing AddressPo Box 35629Dallas, TX 75235-0629 · (214) 424-2200
Sole ProprietorNo
Medical School CMSOtherGraduated 2020
Enumeration DateApril 7, 2020
Last NPPES UpdateAugust 11, 20262 updates tracked since enumeration
NPPES CertifiedAugust 11, 2026
✔ NPI 1992334395 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in TX · W3227
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.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X · License TL0008125 (CO)
18707 HARDY OAK BLVD STE 225, San Antonio, TX 78258

Secondary Practice Location 1

Location 113001 E 17th PlAurora, CO 80045-2570 · Phone (303) 724-1784

Accepted 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. Amr Mazen Arar Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID3173945722
PECOS Enrollment IDI20260820001415
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 Amr Arar reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Gastroenterology
4100 S SHEPHERD DR
Houston, TX 77098
  • Reassigned Medicare billing, Texas enrollment
  • 575 clinicians in this Medicare group

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 78258 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.

Other Providers at the Same Location NPPES 6

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

Physician Assistant
18707 HARDY OAK BLVD STE 225
SAN ANTONIO, TX 78258
Physician Assistant
18707 HARDY OAK BLVD STE 225
SAN ANTONIO, TX 78258
Nurse Practitioner
18707 HARDY OAK BLVD STE 225
SAN ANTONIO, TX 78258
Physician Assistant
18707 HARDY OAK BLVD STE 225
SAN ANTONIO, TX 78258
Nurse Practitioner
18707 HARDY OAK BLVD STE 225
SAN ANTONIO, TX 78258
Internal Medicine
18707 HARDY OAK BLVD STE 225
SAN ANTONIO, TX 78258

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 Amr Arar's NPI number?

The NPI number for Amr Arar is 1992334395. It was assigned to this individual provider in the NPPES registry on April 7, 2020.

Where is Amr Arar located?

Amr Arar practices at 18707 Hardy Oak Blvd Ste 225, San Antonio, TX 78258. The listed phone number is (210) 614-1234.

What is Amr Arar's specialty?

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

Is Amr Arar enrolled in Medicare?

Yes. Amr Arar is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Amr Arar's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Amr Arar reassigns Medicare benefits to Texas Digestive Disease Consultants, PLLC (Houston, TX). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Amr Arar's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Amr Arar 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 Amr Arar 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.

When was this NPI record last updated?

The NPPES record for Amr Arar was last updated on August 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months 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.