MICHAEL A FLORES M.D., P.A
NPI 1609930809
Internal Medicine in Donna, TX

Active since December 21, 2006CLIA 45D1028672 · Waiver
102 N SALINAS BLVD, SUITE B, DONNA, TX 78537(956) 377-5400(956) 377-5509 Get Directions Write a Review

NPPES record last updated: October 25, 2018. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Michael A Flores M.d., P.a NPPES

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

MICHAEL A FLORES M.D., P.A (NPI 1609930809) is a healthcare organization registered as an internal medicine in Donna, Texas and active in the NPI registry since December 2006. The organization holds a CLIA Waiver certificate valid through March 2, 2027 and lists Joanne Campos, Administrator, as its authorized official.

NPPES Registry Identity

NPI1609930809
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameMICHAEL A FLORES M.D., P.A
Location Address102 N SALINAS BLVD, SUITE BDonna, TX 78537-2926
Mailing Address102 N Salinas Blvd, Suite BDonna, TX 78537-2926 · (956) 377-5400 · Fax (956) 377-5509
Fax(956) 377-5509
Organization SubpartNo
Authorized OfficialJoanne CamposAdministrator · (956) 377-5400
Enumeration DateDecember 21, 2006
Last NPPES UpdateOctober 25, 2018
✔ NPI 1609930809 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
102 N SALINAS BLVD, Donna, TX 78537

Other Identifiers 1

Medicaid1648495-01TX

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

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Michael A Flores M.d., P.a is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Revalidation Due Date

Revalidation due by November 30, 2026

Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.

StateEnrollment IDDue date
StateTexasEnrollment IDO20040510001272Non-DME Part B · Clinic/Group PracticeDue dateNovember 30, 2026
Source: CMS Revalidation Due Date List, October 2026 release.

Clinicians Billing Medicare Through This Organization

2

Medicare enrollment records show 2 clinicians reassign Medicare billing to Michael A Flores M.D., P.A, which bills Medicare for the services they deliver. Of these, 2 practice at this address. They are listed nearest first.

Clinicians, nearest first (2)

Internal Medicine
NPI 1649289497
102 N SALINAS BLVD STE B
Donna, TX 78537
(956) 377-5400
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1356526586
102 N SALINAS BLVD STE B
Donna, TX 78537
(956) 377-5400
✔ PECOS✔ Accepts MedicareSame address

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 Waiver 45D1028672

Michael A Flores MD PA · Donna, TX
Active · expires Mar 2, 2027
CLIA Number45D1028672
Laboratory TypePhysician Office
Certificate Effective DateMarch 3, 2025
Certificate Expiration DateMarch 2, 2027
Laboratory DirectorMichael A. Flores MD
Laboratory Phone(956) 464-1070
Laboratory LocationMichael A Flores MD PA102 North Salinas Blvd, Suite B, Donna, TX 78537
CLIA data matches this NPI record on: Address
This certificate is issued to a laboratory to perform only waived tests.

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 Michael A Flores M.D., P.A's NPI number?

The NPI number for Michael A Flores M.D., P.A is 1609930809. It was assigned to this organization in the NPPES registry on December 21, 2006.

Where is Michael A Flores M.D., P.A located?

Michael A Flores M.D., P.A is located at 102 N Salinas Blvd Suite B, Donna, TX 78537. The listed phone number is (956) 377-5400.

What is Michael A Flores M.D., P.A's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Michael A Flores M.D., P.A enrolled in Medicare?

Yes. Michael A Flores M.D., P.A is registered in the Medicare PECOS enrollment system.

When is Michael A Flores M.D., P.A's Medicare revalidation due?

According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (Texas, Clinic/Group Practice) is due for revalidation by November 30, 2026. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.

How many clinicians bill Medicare through Michael A Flores M.D., P.A?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians reassign their Medicare billing to Michael A Flores M.D., P.A, in Internal Medicine and Nurse Practitioner. 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, 2 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Michael A Flores M.D., P.A hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 45D1028672) is associated with this NPI, valid through March 2, 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 Michael A Flores M.D., P.A was last updated on October 25, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.