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CATHY HERNANDEZ MD PA
NPI 1235265216
Internal Medicine in Dallas, TX

Active since February 26, 2007
12221 MERIT DR, SUITE 460, DALLAS, TX 75251(469) 374-3850(469) 374-3851 Get Directions Write a Review

NPPES record last updated: August 22, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Cathy Hernandez Md Pa NPPES

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

CATHY HERNANDEZ MD PA (NPI 1235265216) is a healthcare organization registered as an internal medicine in Dallas, Texas and active in the NPI registry since February 2007. The organization lists Cathy Hernandez, Md Owner, as its authorized official.

NPPES Registry Identity

NPI1235265216
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameCATHY HERNANDEZ MD PA
Location Address12221 MERIT DR, SUITE 460Dallas, TX 75251-2202
Mailing Address12221 Merit Dr, Suite 460Dallas, TX 75251-2202 · (469) 374-3850 · Fax (469) 374-3851
Phone(469) 374-3850
Fax(469) 374-3851
Organization SubpartNo
Authorized OfficialCathy HernandezMd Owner · (469) 374-3850
Enumeration DateFebruary 26, 2007
Last NPPES UpdateAugust 22, 2020
✔ NPI 1235265216 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.
12221 MERIT DR, Dallas, TX 75251
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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 and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Cathy Hernandez Md Pa is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Cathy Hernandez MD PA, which bills Medicare for the services this clinician delivers.

Clinician (1)

Cathy Hernandez, M.D.
Internal Medicine
NPI 1568470649
12221 MERIT DR STE 460
Dallas, TX 75251
(469) 374-3850
✔ 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.

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 Cathy Hernandez MD PA's NPI number?

The NPI number for Cathy Hernandez MD PA is 1235265216. It was assigned to this organization in the NPPES registry on February 26, 2007.

Where is Cathy Hernandez MD PA located?

Cathy Hernandez MD PA is located at 12221 Merit Dr Suite 460, Dallas, TX 75251. The listed phone number is (469) 374-3850.

What is Cathy Hernandez MD PA's specialty?

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

Is Cathy Hernandez MD PA enrolled in Medicare?

Yes. Cathy Hernandez MD PA is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Cathy Hernandez MD PA?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to Cathy Hernandez MD PA. 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. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Cathy Hernandez MD PA was last updated on August 22, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.