● Active Type 1 · Individual

Frank Mazzola, MD

Internal Medicine·Harlingen, TX· NPI 1558323915 · Enumerated 2006 · 20 years on NPI

Mazzola is 1 of 3 internal medicine providers in Harlingen and 1 of 309 in Texas.

NPI age

20 years

Enumerated 2006-04-03

Primary specialty

Internal Medicine

Plus 1 subspecialty

Licensed in

1 state

Status

Active

No deactivations on record

Last NPPES update

2026-02-25

Source: monthly bulk 2026-05

Sole proprietor

Yes

Solo practice on file

How this provider compares

Across 309 active internal medicine providers in Texas.

NPI age

20 years

↑ 2 yr above median (18 yr)

State licenses

1 state

20% of peers hold multiple states

Subspecialties

In the 72% of peers with subspecialties

NPI lifetime · 2006 → 2026

2006-04Enumerated in NPPES

2006 2026

Where they practice

Practice location

2310 N Ed Carey Dr, Suite 1a

Harlingen, TX 785508200

📞 9564285522fax 9564303400

Mailing address

2310 N Ed Carey Dr, Suite 1a

Harlingen, TX 785508200

📞 9564285522fax 9564303400

Specialties

Allopathic & Osteopathic Physicians › Internal Medicine

Internal Medicine Primary

A field of special interest within the subspecialty of cardiovascular disease, specialty of Internal Medicine, which involves intricate technical procedures to evaluate heart rhythms and determine appropriate treatment for them.

TX license #J9200 taxonomy 207RC0001X
Internal Medicine

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.

TX license #J9200 taxonomy 207RC0000X

Identifiers

Type	Value	Notes
05 (NY)	01256073

Practice context

Part of a multi-provider practice. 12 other active providers share this practice address in NPPES.

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How to verify this provider

Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
Check the state license is currently active.State licensing boards publish current status; NPPES does not.
Confirm payer enrollment if billing.NPI presence does not guarantee active enrollment with Medicare, Medicaid, or commercial payers.