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HEART HEALTH SPECIALISTS, LLC
NPI 1053756296
Internal Medicine - Cardiovascular Disease in Chesterfield, MO

Active since May 01, 2013
121 SAINT LUKES CENTER DR STE 303, CHESTERFIELD, MO 63017(314) 434-3278(314) 590-5949 Get Directions Write a Review

NPPES record last updated: March 5, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Mar 5, 2026, Dec 12, 2025, Jul 28, 2021 and 1 more (4 updates tracked since 2021).

About Heart Health Specialists, Llc NPPES

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

HEART HEALTH SPECIALISTS, LLC (NPI 1053756296) is a healthcare organization registered as a cardiovascular disease in Chesterfield, Missouri and active in the NPI registry since May 2013. The organization lists Darren R. Haskell, Chief Medical Officer, as its authorized official.

NPPES Registry Identity

NPI1053756296
Entity TypeOrganization
Primary Taxonomy207RC0000X
Legal Business NameHEART HEALTH SPECIALISTS, LLC
Location Address121 SAINT LUKES CENTER DR STE 303Chesterfield, MO 63017-3519
Mailing Address121 Saint Lukes Center DrChesterfield, MO 63017-3518 · (636) 685-7804 · Fax (314) 576-2344
Phone(314) 434-3278
Fax(314) 590-5949
Organization SubpartYesParent: St. Lukes Medical Group
Authorized OfficialDarren R. HaskellChief Medical Officer · (314) 205-6444
Enumeration DateMay 1, 2013
Last NPPES UpdateMarch 5, 20264 updates tracked since enumeration
NPPES CertifiedMarch 5, 2026
✔ NPI 1053756296 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.
121 SAINT LUKES CENTER DR STE 303, Chesterfield, MO 63017
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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

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arkansas Health & Wellness, Ambetter from Sunflower Health Plan, Ambetter Health and more.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Heart Health Specialists, Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

15

Medicare enrollment records show 15 clinicians reassign Medicare billing to Heart Health Specialists, LLC, which bills Medicare for the services they deliver. Of these, 5 practice at this address and 9 within 10 miles. They are listed nearest first.

Clinicians by Medicare Specialty 4

Nurse Practitioner9
Cardiovascular Disease (Cardiology)4
Internal Medicine1
Interventional Cardiology1

Clinicians, nearest first (15)

Mark Gdowski, MD
Interventional Cardiology
NPI 1831453505
121 SAINT LUKES CENTER DR STE 303
Chesterfield, MO 63017
(314) 434-3278
✔ PECOS✔ Accepts MedicareSame address
Craig Reiss, MD
Cardiovascular Disease (Cardiology)
NPI 1386680429
121 SAINT LUKES CENTER DR STE 303
Chesterfield, MO 63017
(314) 434-3278
✔ PECOS✔ Accepts MedicareSame address
Shayna Rockove, N.P.
Nurse Practitioner
NPI 1275045320
121 ST. LUKE'S CENTER DR. SUITE 303 A
Chesterfield, MO 63017
(314) 434-3278
✔ PECOS✔ Accepts MedicareSame address
Madison Steinberg, ACNPC-AG
Nurse Practitioner
NPI 1033924139
121 SAINT LUKES CENTER DR STE 404 BUILDING A
Chesterfield, MO 63017
(314) 864-8720
✔ PECOS✔ Accepts MedicareSame address
Keith Mankowitz, MD
Cardiovascular Disease (Cardiology)
NPI 1598783938
121 SAINT LUKES CENTER DR STE 303
Chesterfield, MO 63017
(314) 434-3278
✔ PECOS✔ Accepts MedicareSame address
Sara Graham, MSN, APRN-BC
Nurse Practitioner
NPI 1548869191
232 S WOODS MILL RD
Chesterfield, MO 63017
(314) 434-1500
✔ PECOS✔ Accepts Medicare0.6 mi
Mary Bordner, ACNP
Nurse Practitioner
NPI 1437526126
621 S NEW BALLAS RD STE 560A
Saint Louis, MO 63141
(314) 251-6440
✔ PECOS✔ Accepts Medicare3.7 mi
Ashley Remorin, DNP, FNP
Nurse Practitioner
NPI 1639833536
625 S NEW BALLAS RD
Creve Coeur, MO 63141
(314) 251-1100
✔ PECOS✔ Accepts Medicare3.7 mi
Jaina Vallarta, RN, MSN, APRN-BC
Nurse Practitioner
NPI 1497851448
12266 DE PAUL DR STE 205
Bridgeton, MO 63044
(314) 218-2300
✔ PECOS✔ Accepts Medicare7.8 mi
Mohammad Vakassi, MD
Cardiovascular Disease (Cardiology)
NPI 1184602096
6406 WISE AVE
Saint Louis, MO 63139
(618) 346-1111
✔ PECOS✔ Accepts Medicare12 mi
Michael Logue, FAM NRS PRAC FNP
Nurse Practitioner
NPI 1750338919
10012 KENNERLY ROAD SUITE # 301
St Louis, MO 63128
(314) 894-0787
✔ PECOS✔ Accepts Medicare12 mi
Matthew Lui, MD
Internal Medicine
NPI 1932725769
1 BARNES JEWISH HOSPITAL PLZ
Saint Louis, MO 63110
(314) 362-5000
✔ PECOS✔ Accepts Medicare13 mi
Skye Murray, MSN FNP
Nurse Practitioner
NPI 1457641169
7500 MERCY RD
Omaha, NE 68124
(402) 398-5880
✔ PECOS✔ Accepts Medicare343 mi
Lauren Lindner, MPH, MSN, AGPCNP-BC
Nurse Practitioner
NPI 1427453083
1821 HILLANDALE RD STE 25C
Durham, NC 27705
(919) 220-5510
✔ PECOS✔ Accepts Medicare662 mi
Anupama Rao, M.D.
Cardiovascular Disease (Cardiology)
NPI 1255399481
22 S GREENE ST
Baltimore, MD 21201
(410) 328-4394
✔ PECOS✔ Accepts Medicare748 mi

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 Heart Health Specialists, LLC's NPI number?

The NPI number for Heart Health Specialists, LLC is 1053756296. It was assigned to this organization in the NPPES registry on May 1, 2013.

Where is Heart Health Specialists, LLC located?

Heart Health Specialists, LLC is located at 121 Saint Lukes Center Dr Ste 303, Chesterfield, MO 63017. The listed phone number is (314) 434-3278.

What is Heart Health Specialists, LLC's specialty?

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

Is Heart Health Specialists, LLC enrolled in Medicare?

Yes. Heart Health Specialists, LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Heart Health Specialists, LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 15 clinicians in 4 Medicare specialties reassign their Medicare billing to Heart Health Specialists, 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 (9), Cardiovascular Disease (Cardiology) (4) and Internal Medicine (1). Of these, 5 practice at this address and 9 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Heart Health Specialists, LLC accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Arkansas Health & Wellness, Ambetter from Sunflower Health Plan and Ambetter of Oklahoma and 3 other insurers list Heart Health Specialists, LLC as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Heart Health Specialists, LLC was last updated on March 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.