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LEGACY HEARTCARE OF DALLAS, LLC
NPI 1275215808
Internal Medicine - Cardiovascular Disease in Mckinney, TX

Active since August 03, 2023
7300 ELDORADO PKWY STE 105, MCKINNEY, TX 75070(945) 200-6880 Get Directions Write a Review

NPPES record last updated: September 29, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Legacy Heartcare Of Dallas, Llc NPPES

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

LEGACY HEARTCARE OF DALLAS, LLC (NPI 1275215808), doing business as Flow Therapy Mckinney, is a healthcare organization registered as a cardiovascular disease in Mckinney, Texas and active in the NPI registry since August 2023. The organization lists Michael Gratch, President, as its authorized official.

NPPES Registry Identity

NPI1275215808
Entity TypeOrganization
Primary Taxonomy207RC0000X
Legal Business NameLEGACY HEARTCARE OF DALLAS, LLC
Location Address7300 ELDORADO PKWY STE 105Mckinney, TX 75070-1956
Mailing Address2500 West Fwy Ste 200Fort Worth, TX 76102-5851
Phone(945) 200-6880
Organization SubpartNo
Authorized OfficialMichael GratchPresident · (817) 423-4400
Enumeration DateAugust 3, 2023
Last NPPES UpdateSeptember 29, 2025
NPPES CertifiedSeptember 29, 2025
✔ NPI 1275215808 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
Definition
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.
7300 ELDORADO PKWY STE 105, Mckinney, TX 75070
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Other Names 1

Doing Business AsFlow Therapy Mckinney

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)

Legacy Heartcare Of Dallas, Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

59

Medicare enrollment records show 59 clinicians reassign Medicare billing to Legacy Heartcare Of Dallas, LLC, which bills Medicare for the services they deliver. Of these, 6 practice within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 7

Nurse Practitioner37
Cardiovascular Disease (Cardiology)7
Interventional Cardiology7
Certified Clinical Nurse Specialist (CNS)4
Orthopedic Surgery2
Advanced Heart Failure and Transplant Cardiology1
Internal Medicine1

Nearest to this location (20)

See all 59
Jennifer Wilson, FNP
Nurse Practitioner
NPI 1629583679
8000 ELDORADO PKWY
Mckinney, TX 75070
(972) 569-2700
✔ PECOS✔ Accepts Medicare0.5 mi
Ushas Thomas
Nurse Practitioner
NPI 1952108946
5908 RENFREW DR
Mckinney, TX 75070
(281) 245-4321
✔ PECOS✔ Accepts Medicare2.1 mi
Kelly Walker, MSN, APRN, FNP-C
Nurse Practitioner
NPI 1245691583
1400 N COIT RD STE 2502
Mckinney, TX 75071
(972) 295-9000
✔ PECOS4.1 mi
Susie Ahn, FNP
Nurse Practitioner
NPI 1003816232
1105 CENTRAL EXPY N STE 2240
Allen, TX 75013
(866) 607-2308
✔ PECOS4.7 mi
Newartha Brooks, APRN FNP
Nurse Practitioner
NPI 1255786687
6065 SPORTS VILLAGE RD
Frisco, TX 75033
(214) 708-5881
✔ PECOS✔ Accepts Medicare6.9 mi
Brian Schwartz, M.D.
Cardiovascular Disease (Cardiology)
NPI 1225246366
7713 SAN JACINTO PL # 200
Plano, TX 75024
(469) 409-2601
✔ PECOS✔ Accepts Medicare8.1 mi
Julie Whitaker, NP
Nurse Practitioner
NPI 1043035546
3705 W 15TH ST
Plano, TX 75075
(972) 867-3577
✔ PECOS✔ Accepts Medicare11 mi
Timothy Dao, M.D.
Interventional Cardiology
NPI 1407029689
3801 W 15TH ST BLDG B, SUITE 320
Plano, TX 75075
(972) 985-8838
✔ PECOS✔ Accepts Medicare11 mi
Rikesh Patel, M.D.
Interventional Cardiology
NPI 1760641377
3801 W 15TH ST, BLDG B, STE 320
Plano, TX 75075
(972) 985-8838
✔ PECOS✔ Accepts Medicare11 mi
Marc Pieniek, MD
Cardiovascular Disease (Cardiology)
NPI 1295793677
3801 W 15TH ST BLDG B, SUITE 320
Plano, TX 75075
(972) 985-8838
✔ PECOS✔ Accepts Medicare11 mi
Gautam Reddy, M.D.
Interventional Cardiology
NPI 1083898365
3801 W 15TH ST BLDG B, SUITE 320
Plano, TX 75075
(972) 985-8838
✔ PECOS✔ Accepts Medicare11 mi
Vijay Ramanath, M.D.
Interventional Cardiology
NPI 1003841297
6124 W PARKER RD SUITE 536
Plano, TX 75093
(972) 378-9560
✔ PECOS✔ Accepts Medicare11 mi
Leena Sharan, MD
Cardiovascular Disease (Cardiology)
NPI 1326006685
6124 W PARKER RD STE 536
Plano, TX 75093
(972) 378-9560
✔ PECOS✔ Accepts Medicare11 mi
Mordecai Klein, MD
Cardiovascular Disease (Cardiology)
NPI 1881629541
4701 OLD SHEPARD PL STE 160
Plano, TX 75093
(972) 612-4730
✔ PECOS11 mi
Ashesh Parikh, D.O.
Cardiovascular Disease (Cardiology)
NPI 1003080375
6300 W PARKER RD STE 322
Plano, TX 75093
(972) 981-7870
✔ PECOS11 mi
Jessica Buie, FNP
Nurse Practitioner
NPI 1568947604
4260 WATERSTONE ESTATES DR
Mckinney, TX 75071
(903) 681-0017
✔ PECOS✔ Accepts Medicare12 mi
Mercy Bishop
Nurse Practitioner
NPI 1801388483
8000 FRANKFORD RD
Dallas, TX 75252
(972) 232-8080
✔ PECOS13 mi
Nathan Gilbert, MD
Orthopedic Surgery
NPI 1154455921
12230 COIT RD STE 100
Dallas, TX 75251
(214) 252-7020
✔ PECOS✔ Accepts Medicare18 mi
Allaaddin Mollabashy, MD
Orthopedic Surgery
NPI 1750371134
12230 COIT RD STE 100
Dallas, TX 75251
(214) 252-7020
✔ PECOS✔ Accepts Medicare18 mi
Martin Berk, M.D.
Advanced Heart Failure and Transplant Cardiology
NPI 1033118278
7150 GREENVILLE AVE STE 500
Dallas, TX 75231
(214) 369-3613
✔ PECOS✔ Accepts Medicare21 mi
See all 59 clinicians

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 Legacy Heartcare Of Dallas, LLC's NPI number?

The NPI number for Legacy Heartcare Of Dallas, LLC is 1275215808. It was assigned to this organization in the NPPES registry on August 3, 2023. The provider is doing business as Flow Therapy McKinney.

Where is Legacy Heartcare Of Dallas, LLC located?

Legacy Heartcare Of Dallas, LLC is located at 7300 Eldorado Pkwy Ste 105, Mckinney, TX 75070. The listed phone number is (945) 200-6880.

What is Legacy Heartcare Of Dallas, LLC's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is Legacy Heartcare Of Dallas, LLC enrolled in Medicare?

Yes. Legacy Heartcare Of Dallas, LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Legacy Heartcare Of Dallas, LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 59 clinicians in 7 Medicare specialties reassign their Medicare billing to Legacy Heartcare Of Dallas, LLC. 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 Nurse Practitioner (37), Cardiovascular Disease (Cardiology) (7) and Interventional Cardiology (7). Of these, 6 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Legacy Heartcare Of Dallas, LLC was last updated on September 29, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.