Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Frank Mazzola, MD

Individual provider Cardiovascular Disease Physician · NPI 1558323915

Frank Mazzola, MD is a Cardiac Electrophysiology in Harlingen, Texas. Graduated from University of Connecticut School of Medicine in 1987, 39 years ago. Practices with South Heart Clinic, PLLC, a 15-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Texas.

Years since qualifying
39
Trained at
University of Connecticut School of Medicine
Licensed in
TX
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

2310 N ED Carey Dr Ste 1A
Harlingen, TX 78550-8200
Phone: (956) 428-5522
Fax: (956) 430-3400
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Cardiac Electrophysiology Physician (primary) Taxonomy 207RC0001X · Licence J9200 (TX)
Cardiovascular Disease Physician Taxonomy 207RC0000X · Licence J9200 (TX)

Record details

NPI number1558323915
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedApril 3, 2006
Last updated in NPPESFebruary 25, 2026
Certification dateFebruary 25, 2026
Mailing address2310 N Ed Carey Dr, Suite 1a, Harlingen, TX 78550-8200

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCARDIAC ELECTROPHYSIOLOGY
Also practisesCARDIOVASCULAR DISEASE (CARDIOLOGY), INTERNAL MEDICINE
Medical schoolUNIVERSITY OF CONNECTICUT SCHOOL OF MEDICINE
Graduated 1987 (39 years in practice)
Group practice South Heart Clinic, Pllc — 15 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Harlingen