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OSCAR IZNAOLA M.D,, PA
NPI 1649674953
Internal Medicine - Nephrology in Beeville, TX

Active since October 15, 2014
100 W HUNTINGTON ST, BEEVILLE, TX 78102(361) 239-2851(361) 239-2861 Get Directions Write a Review

NPPES record last updated: July 2, 2015. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Oscar Iznaola M.d,, Pa NPPES

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

OSCAR IZNAOLA M.D,, PA (NPI 1649674953) is a healthcare organization registered as a nephrology in Beeville, Texas and active in the NPI registry since October 2014. The organization lists Oscar Alberto Iznaolo-esquivel, Owner, as its authorized official.

NPPES Registry Identity

NPI1649674953
Entity TypeOrganization
Primary Taxonomy207RN0300X
Legal Business NameOSCAR IZNAOLA M.D,, PA
Location Address100 W HUNTINGTON STBeeville, TX 78102-3324
Mailing Address1141 N Loop 1604 E # 105-434San Antonio, TX 78232-1339 · (361) 239-2851 · Fax (361) 239-2861
Phone(361) 239-2851
Fax(361) 239-2861
Organization SubpartNo
Authorized OfficialOscar Alberto Iznaolo-esquivelOwner · (361) 239-2851
Enumeration DateOctober 15, 2014
Last NPPES UpdateJuly 2, 2015
✔ NPI 1649674953 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians
Taxonomy Code207RN0300X
License✔ Licensed in TX · N2126
Definition
An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.
100 W HUNTINGTON ST, Beeville, TX 78102
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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

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 and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Oscar Iznaola M.d,, Pa is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Oscar Iznaola M.D,, PA, which bills Medicare for the services this clinician delivers.

Clinician (1)

Oscar Iznaola-Esquivel, M.D.
Internal Medicine
NPI 1699968560
1141 N LOOP 1604 E 105-434
San Antonio, TX 78232
(361) 239-2851
✔ PECOS93 mi

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

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 Oscar Iznaola M.D,, PA's NPI number?

The NPI number for Oscar Iznaola M.D,, PA is 1649674953. It was assigned to this organization in the NPPES registry on October 15, 2014.

Where is Oscar Iznaola M.D,, PA located?

Oscar Iznaola M.D,, PA is located at 100 W Huntington St, Beeville, TX 78102. The listed phone number is (361) 239-2851.

What is Oscar Iznaola M.D,, PA's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Is Oscar Iznaola M.D,, PA enrolled in Medicare?

Yes. Oscar Iznaola M.D,, PA is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Oscar Iznaola M.D,, PA?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to Oscar Iznaola M.D,, PA. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Oscar Iznaola M.D,, PA accept?

Health plans from Blue Cross and Blue Shield of Texas list Oscar Iznaola M.D,, PA 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 Oscar Iznaola M.D,, PA was last updated on July 2, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.