1. Home
  2. Directory
  3. Texas
  4. San Antonio
  5. Internal Medicine
  6. NPI Profile

ROBERT G. SZEWC, M.D., P.A.
NPI 1366599888
Internal Medicine - Nephrology in San Antonio, TX

Active since January 05, 2007CLIA 45D1016754 · Waiver
915 S LAREDO ST STE 200, SAN ANTONIO, TX 78204(210) 277-1418(210) 277-1458 Get Directions Write a Review

NPPES record last updated: December 23, 2021. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Robert G. Szewc, M.d., P.a. NPPES

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

ROBERT G. SZEWC, M.D., P.A. (NPI 1366599888) is a healthcare organization registered as a nephrology in San Antonio, Texas and active in the NPI registry since January 2007. The organization holds a CLIA Waiver certificate valid through January 9, 2028 and lists Robert G Szewc, Owner, as its authorized official.

NPPES Registry Identity

NPI1366599888
Entity TypeOrganization
Primary Taxonomy207RN0300X
Legal Business NameROBERT G. SZEWC, M.D., P.A.
Location Address915 S LAREDO ST STE 200San Antonio, TX 78204-3211
Mailing Address915 S Laredo St Ste 200San Antonio, TX 78204-3211 · (210) 277-1418 · Fax (210) 277-1458
Phone(210) 277-1418
Fax(210) 277-1458
Organization SubpartNo
Authorized OfficialRobert G SzewcOwner · (210) 277-1418
Enumeration DateJanuary 5, 2007
Last NPPES UpdateDecember 23, 2021
NPPES CertifiedDecember 23, 2021
✔ NPI 1366599888 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 5

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians
Taxonomy Code207RN0300X
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.
Also ListedSocial WorkerTaxonomy 104100000X
Also ListedDietitian, RegisteredTaxonomy 133V00000X
Also ListedPhysician AssistantTaxonomy 363A00000X
Also ListedNurse PractitionerTaxonomy 363L00000X
915 S LAREDO ST STE 200, San Antonio, TX 78204
Open in Google Maps ↗

Other Identifiers 1

Medicaid156430402TX

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and more.Insurance ›

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 45D1016754

Robert G Szewc MD PA · San Antonio, TX
Active · expires Jan 9, 2028
CLIA Number45D1016754
Laboratory TypePhysician Office
Certificate Effective DateJanuary 10, 2026
Certificate Expiration DateJanuary 9, 2028
Laboratory DirectorRobert G. Szewc
Laboratory Phone(210) 277-1418
Laboratory LocationRobert G Szewc MD PA915 Laredo Street, San Antonio, TX 78204
CLIA data matches this NPI record on: Phone
This certificate is issued to a laboratory to perform only waived tests.

Other Providers at the Same Location NPPES

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

MR. ROBERT G SZEWC MD
Internal Medicine (Nephrology)
915 S LAREDO ST STE 200
SAN ANTONIO, TX 78204
Bexar County (210) 277-1418

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 Robert G. Szewc, M.D., P.A.'s NPI number?

The NPI number for Robert G. Szewc, M.D., P.A. is 1366599888. It was assigned to this organization in the NPPES registry on January 5, 2007.

Where is Robert G. Szewc, M.D., P.A. located?

Robert G. Szewc, M.D., P.A. is located at 915 S Laredo St Ste 200, San Antonio, TX 78204. The listed phone number is (210) 277-1418.

What is Robert G. Szewc, M.D., P.A.'s specialty?

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

Does Robert G. Szewc, M.D., P.A. hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 45D1016754) is associated with this NPI, valid through January 9, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Robert G. Szewc, M.D., P.A. accept?

Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and Ambetter from Superior HealthPlan and 3 other insurers list Robert G. Szewc, 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 Robert G. Szewc, M.D., P.A. was last updated on December 23, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.