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R. STEFAN KIESZ M.D. P.A.
NPI 1336337880
Internal Medicine - Cardiovascular Disease in San Antonio, TX

Active since October 10, 2007
18615 TUSCAN STONE, SUITE 170, SAN ANTONIO, TX 78258(210) 272-0098(210) 592-1462 Get Directions Write a Review

NPPES record last updated: November 14, 2012. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About R. Stefan Kiesz M.d. P.a. NPPES

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

R. STEFAN KIESZ M.D. P.A. (NPI 1336337880) is a healthcare organization registered as a cardiovascular disease in San Antonio, Texas and active in the NPI registry since October 2007. The organization lists Radoslaw Stefan Kiesz, President / Owner, as its authorized official.

NPPES Registry Identity

NPI1336337880
Entity TypeOrganization
Primary Taxonomy207RC0000X
Legal Business NameR. STEFAN KIESZ M.D. P.A.
Location Address18615 TUSCAN STONE, SUITE 170San Antonio, TX 78258-3498
Mailing Address18615 Tuscany Stone, Suite 170San Antonio, TX 78258-3498 · (210) 272-0098 · Fax (210) 592-1462
Phone(210) 272-0098
Fax(210) 592-1462
Organization SubpartNo
Authorized OfficialRadoslaw Stefan KieszPresident / Owner · (210) 272-0098
Enumeration DateOctober 10, 2007
Last NPPES UpdateNovember 14, 2012
✔ NPI 1336337880 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
License✔ Licensed in TX · H7769
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.
18615 TUSCAN STONE, San Antonio, TX 78258
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Other Identifiers 4

Medicaid161214501TX
Medicare PIN1710924675TX
Medicare UPINE64979TX
Medicare OSCAR/certification00758VTX

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 MULTIPLE SINGLE SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include WellPoint.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)

R. Stefan Kiesz M.d. P.a. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

3

Medicare enrollment records show 3 clinicians reassign Medicare billing to R. Stefan Kiesz M.D. P.A., which bills Medicare for the services they deliver. Of these, 1 practice at this address and 2 within 10 miles. They are listed nearest first.

Clinicians, nearest first (3)

Radoslaw Kiesz, M.D.
Interventional Cardiology
NPI 1710924675
18615 TUSCANY STONE SUITE 170
San Antonio, TX 78258
(210) 272-0649
✔ PECOS✔ Accepts MedicareSame address
Julio Araujo, M.D.
Nephrology
NPI 1053365023
3939 MEDICAL DR STE 110
San Antonio, TX 78229
(210) 858-7604
✔ PECOS✔ Accepts Medicare7.6 mi
James Galizia, M.D.
Cardiovascular Disease (Cardiology)
NPI 1437105863
1995 WILLIAMS ST
Eagle Pass, TX 78852
(830) 752-2322
✔ PECOS✔ Accepts Medicare136 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 R. Stefan Kiesz M.D. P.A.'s NPI number?

The NPI number for R. Stefan Kiesz M.D. P.A. is 1336337880. It was assigned to this organization in the NPPES registry on October 10, 2007.

Where is R. Stefan Kiesz M.D. P.A. located?

R. Stefan Kiesz M.D. P.A. is located at 18615 Tuscan Stone Suite 170, San Antonio, TX 78258. The listed phone number is (210) 272-0098.

What is R. Stefan Kiesz M.D. P.A.'s specialty?

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

Is R. Stefan Kiesz M.D. P.A. enrolled in Medicare?

Yes. R. Stefan Kiesz M.D. P.A. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through R. Stefan Kiesz M.D. P.A.?

According to the CMS Revalidation Reassignment List (October 2026 release), 3 clinicians reassign their Medicare billing to R. Stefan Kiesz M.D. P.A., in Cardiovascular Disease (Cardiology), Interventional Cardiology and Nephrology. 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. Of these, 1 practice at this address and 2 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does R. Stefan Kiesz M.D. P.A. accept?

Health plans from WellPoint list R. Stefan Kiesz M.D. P.A. 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 R. Stefan Kiesz M.D. P.A. was last updated on November 14, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.