HEART ONE ASSOCIATES LLC
NPI 1942778766
Internal Medicine - Cardiovascular Disease in Phoenix, AZ

Active since November 09, 2018CLIA 03D2171932 · Waiver
9520 W PALM LN STE 150, PHOENIX, AZ 85037(602) 584-5444(602) 584-6202 Get Directions Write a Review

NPPES record last updated: September 29, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 5, 2025, Nov 12, 2021, Jun 17, 2019 and 1 more (4 updates tracked since 2018).

About Heart One Associates Llc NPPES

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

HEART ONE ASSOCIATES LLC (NPI 1942778766), doing business as Heart One, is a healthcare organization registered as a cardiovascular disease in Phoenix, Arizona and active in the NPI registry since November 2018. The organization holds a CLIA Waiver certificate valid through September 10, 2027 and lists Rajkumar K. Sugumaran, Physician, as its authorized official.

NPPES Registry Identity

NPI1942778766
Entity TypeOrganization
Primary Taxonomy207RC0000X
Legal Business NameHEART ONE ASSOCIATES LLC
Location Address9520 W PALM LN STE 150Phoenix, AZ 85037-4454
Mailing AddressPo Box 60675City Of Industry, CA 91716-0675 · (602) 584-5444 · Fax (602) 584-6202
Fax(602) 584-6202
Organization SubpartNo
Authorized OfficialRajkumar K. SugumaranPhysician · (602) 584-5444
Enumeration DateNovember 9, 2018
Last NPPES UpdateSeptember 29, 20254 updates tracked since enumeration
NPPES CertifiedSeptember 29, 2025
✔ NPI 1942778766 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ 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.
Also ListedInternal MedicineTaxonomy 207R00000X
9520 W PALM LN STE 150, Phoenix, AZ 85037

Other Names 1

Doing Business AsHeart One

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

Accepted 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 One Associates Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

22

Medicare enrollment records show 22 clinicians reassign Medicare billing to Heart One Associates LLC, which bills Medicare for the services they deliver. Of these, 11 practice at this address and 19 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 4

Interventional Cardiology7
Nurse Practitioner7
Cardiovascular Disease (Cardiology)6
Cardiac Electrophysiology2

Nearest to this location (20)

See all 22
Cardiovascular Disease (Cardiology)
NPI 1063933851
9520 W PALM LN STE 150
Phoenix, AZ 85037
(602) 584-5444
✔ PECOS✔ Accepts MedicareSame address
Cardiac Electrophysiology
NPI 1003293697
9520 W PALM LN STE 150A
Phoenix, AZ 85037
(602) 584-5444
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1750205613
9520 W PALM LN STE 150A
Phoenix, AZ 85037
(602) 584-5444
✔ PECOSSame address
Cardiovascular Disease (Cardiology)
NPI 1700133998
9520 W PALM LN STE 150
Phoenix, AZ 85037
(602) 584-5444
✔ PECOS✔ Accepts MedicareSame address
Interventional Cardiology
NPI 1184840506
9520 W PALM LN STE 150A
Phoenix, AZ 85037
(602) 584-5444
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1174350151
9520 W PALM LN STE 150A
Phoenix, AZ 85037
(602) 584-5444
✔ PECOSSame address
Interventional Cardiology
NPI 1154677417
9520 W PALM LN STE 150
Phoenix, AZ 85037
(602) 584-5444
✔ PECOS✔ Accepts MedicareSame address
Cardiac Electrophysiology
NPI 1710150693
9520 W PALM LN STE 150
Phoenix, AZ 85037
(602) 584-5444
✔ PECOS✔ Accepts MedicareSame address
Cardiovascular Disease (Cardiology)
NPI 1275624231
9520 W PALM LN STE 150
Phoenix, AZ 85037
(602) 584-5444
✔ PECOS✔ Accepts MedicareSame address
Interventional Cardiology
NPI 1366609620
9520 W PALM LN STE 150
Phoenix, AZ 85037
(602) 584-5444
✔ PECOS✔ Accepts MedicareSame address
Interventional Cardiology
NPI 1881893121
9520 W PALM LN STE 150
Phoenix, AZ 85037
(602) 584-5444
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1891573176
10815 W MCDOWELL RD STE 202
Avondale, AZ 85392
(622) 433-0202
✔ PECOS1.5 mi
Interventional Cardiology
NPI 1558553016
13634 N 93RD AVE STE 300
Peoria, AZ 85381
(623) 815-2484
✔ PECOS✔ Accepts Medicare9.6 mi
Interventional Cardiology
NPI 1366970931
13634 N 93RD AVE STE 300
Peoria, AZ 85381
(623) 815-2484
✔ PECOS✔ Accepts Medicare9.6 mi
Nurse Practitioner
NPI 1922836782
13634 N 93RD AVE STE 300
Peoria, AZ 85381
(623) 815-2483
✔ PECOS9.6 mi
Nurse Practitioner
NPI 1730447830
13634 N 93RD AVE 300
Peoria, AZ 85381
(623) 815-2484
✔ PECOS✔ Accepts Medicare9.6 mi
Cardiovascular Disease (Cardiology)
NPI 1467454173
13634 N 93RD AVE SUITE 300
Peoria, AZ 85381
(623) 815-2484
✔ PECOS✔ Accepts Medicare9.6 mi
Cardiovascular Disease (Cardiology)
NPI 1821090408
13634 N 93RD AVE SUITE 300
Peoria, AZ 85381
(623) 815-2484
✔ PECOS✔ Accepts Medicare9.6 mi
Cardiovascular Disease (Cardiology)
NPI 1700872223
13634 N 93RD AVE SUITE 300
Peoria, AZ 85381
(623) 815-2484
✔ PECOS✔ Accepts Medicare9.6 mi
Interventional Cardiology
NPI 1760678049
18700 N 64TH DR STE 101
Glendale, AZ 85308
(602) 867-8644
✔ PECOS✔ Accepts Medicare13 mi
See all 22 clinicians

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 03D2171932

Heart One Associates LLC · Phoenix, AZ
Active · expires Sep 10, 2027
CLIA Number03D2171932
Laboratory TypePhysician Office
Certificate Effective DateSeptember 11, 2025
Certificate Expiration DateSeptember 10, 2027
Laboratory DirectorRajkumar Sugumaran
Laboratory Phone(602) 584-5444
Laboratory LocationHeart One Associates LLC9520 W Palm Lane Ste 150, Phoenix, AZ 85037
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

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 One Associates LLC's NPI number?

The NPI number for Heart One Associates LLC is 1942778766. It was assigned to this organization in the NPPES registry on November 9, 2018. The provider is doing business as Heart One.

Where is Heart One Associates LLC located?

Heart One Associates LLC is located at 9520 W Palm Ln Ste 150, Phoenix, AZ 85037. The listed phone number is (602) 584-5444.

What is Heart One Associates LLC's specialty?

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

Is Heart One Associates LLC enrolled in Medicare?

Yes. Heart One Associates LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Heart One Associates LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 22 clinicians in 4 Medicare specialties reassign their Medicare billing to Heart One Associates 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 Interventional Cardiology (7), Nurse Practitioner (7) and Cardiovascular Disease (Cardiology) (6). Of these, 11 practice at this address and 19 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Heart One Associates LLC hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 03D2171932) is associated with this NPI, valid through September 10, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Heart One Associates LLC accept?

Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Cigna HealthCare of Arizona, Inc and Imperial Insurance Companies, Inc. list Heart One Associates 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 One Associates 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 13 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.