1. Home
  2. Directory
  3. Texas
  4. Corpus Christi
  5. Family Medicine
  6. NPI Profile

CORPUS CHRISTI MEDICAL ASSOCIATES, P.A.
NPI 1164713848
Family Medicine in Corpus Christi, TX

Active since April 28, 2011CLIA 45D0936456 · Accreditation
6200 SARATOGA BLVD UNIT 5, CORPUS CHRISTI, TX 78414(361) 225-2255(361) 854-3672 Get Directions Write a Review

NPPES record last updated: April 9, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Apr 9, 2026, Mar 3, 2026, Dec 4, 2024 and 1 more (4 updates tracked since 2022).

About Corpus Christi Medical Associates, P.a. NPPES

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

CORPUS CHRISTI MEDICAL ASSOCIATES, P.A. (NPI 1164713848) is a healthcare organization registered as a family medicine in Corpus Christi, Texas and active in the NPI registry since April 2011. The organization holds an CLIA Accreditation certificate valid through September 8, 2027 and lists Andres Nisimblat, President, as its authorized official.

NPPES Registry Identity

NPI1164713848
Entity TypeOrganization
Primary Taxonomy207Q00000X
Legal Business NameCORPUS CHRISTI MEDICAL ASSOCIATES, P.A.
Location Address6200 SARATOGA BLVD UNIT 5Corpus Christi, TX 78414-3478
Mailing Address6200 Saratoga Blvd Unit 5Corpus Christi, TX 78414-3478 · (361) 225-2255 · Fax (361) 854-3672
Phone(361) 225-2255
Fax(361) 854-3672
Organization SubpartNo
Authorized OfficialAndres NisimblatPresident · (361) 225-2255
Enumeration DateApril 28, 2011
Last NPPES UpdateApril 9, 20264 updates tracked since enumeration
NPPES CertifiedApril 9, 2026
✔ NPI 1164713848 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
Also ListedInternal MedicineTaxonomy 207R00000X
6200 SARATOGA BLVD UNIT 5, Corpus Christi, TX 78414
Open in Google Maps ↗

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

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Corpus Christi Medical Associates, P.a. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

5

Medicare enrollment records show 5 clinicians reassign Medicare billing to Corpus Christi Medical Associates, P.A., which bills Medicare for the services they deliver. Of these, 4 practice at this address and 5 within 10 miles. They are listed nearest first.

Clinicians, nearest first (5)

Catherine Bussieres, M.D.
Family Practice
NPI 1619984457
6200 SARATOGA BLVD BLDG 5
Corpus Christi, TX 78414
(361) 225-2255
✔ PECOS✔ Accepts MedicareSame address
Andres Nisimblat, M.D.
Family Practice
NPI 1467469205
6200 SARATOGA BLVD BLDG 5
Corpus Christi, TX 78414
(361) 225-2255
✔ PECOS✔ Accepts MedicareSame address
Pamela Smith, M.D.
Internal Medicine
NPI 1083621866
6200 SARATOGA BLVD UNIT 5
Corpus Christi, TX 78414
(361) 225-2255
✔ PECOS✔ Accepts MedicareSame address
James Walker, M.D.
Family Practice
NPI 1932218971
6200 SARATOGA BLVD UNIT 5
Corpus Christi, TX 78414
(361) 225-2255
✔ PECOS✔ Accepts MedicareSame address
Mary Cantu, APRN-CNP
Nurse Practitioner
NPI 1598472185
702 BURKSHIRE DR
Corpus Christi, TX 78412
(361) 290-3537
✔ PECOS✔ Accepts Medicare2.9 mi

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

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 Accreditation 45D0936456

Corpus Christi Medical Associates · Corpus Christi, TX
Active · expires Sep 8, 2027
CLIA Number45D0936456
Laboratory TypePhysician Office
Certificate Effective DateSeptember 9, 2025
Certificate Expiration DateSeptember 8, 2027
Laboratory DirectorDr. Andres Nisimblat
Laboratory Phone(361) 225-2255
Laboratory LocationCorpus Christi Medical Associates6200 Saratoga Boulevard Building 5, Corpus Christi, TX 78414
CLIA data matches this NPI record on: Name Phone
This is a certificate that is issued to a laboratory on the basis of the laboratory's accreditation by an accreditation organization approved by CMS.

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 Corpus Christi Medical Associates, P.A.'s NPI number?

The NPI number for Corpus Christi Medical Associates, P.A. is 1164713848. It was assigned to this organization in the NPPES registry on April 28, 2011.

Where is Corpus Christi Medical Associates, P.A. located?

Corpus Christi Medical Associates, P.A. is located at 6200 Saratoga Blvd Unit 5, Corpus Christi, TX 78414. The listed phone number is (361) 225-2255.

What is Corpus Christi Medical Associates, P.A.'s specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Corpus Christi Medical Associates, P.A. enrolled in Medicare?

Yes. Corpus Christi Medical Associates, P.A. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Corpus Christi Medical Associates, P.A.?

According to the CMS Revalidation Reassignment List (October 2026 release), 5 clinicians in 3 Medicare specialties reassign their Medicare billing to Corpus Christi Medical Associates, P.A.. 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. The largest specialties are Family Practice (3), Internal Medicine (1) and Nurse Practitioner (1). Of these, 4 practice at this address and 5 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Corpus Christi Medical Associates, P.A. hold a CLIA laboratory certificate?

Yes. A Certificate of Accreditation (number 45D0936456) is associated with this NPI, valid through September 8, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Corpus Christi Medical Associates, P.A. was last updated on April 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.