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NPI-verified · Jul 2026Cardiology · PhoenixPublic · unclaimed

Horizon Cardiovascular Institute

Horizon Cardiovascular Institute Plc is a cardiology practice in Phoenix, serving the community for 11 years. Patients can access Diagnostic Testing, Heart Care, Vein Care, Vascular Care, Womens Heart Health, Weight Loss, and Ultrasound Testing. The practice provides virtual visits. Spanish, Vietnamese, and Arabic are spoken. Accepted plans include Aetna, Anthem, and Ambetter.

Specialty
Cardiology
On staff
3 providers
Established
~11 years
Services

Care topics associated with this practice

Diagnostic TestingHeart CareVein CareVascular CareWomens Heart HealthWeight LossUltrasound TestingNuclear MedicineMitraclipHigh CholesterolHigh Blood Pressure HypertensionElectrophysiology

For a current, complete list of services, contact the practice directly.

Insurance & patient info

Plans this practice is listed as accepting

AetnaAnthemMedicareHealth NetAmbetter+3 more — call to confirm
Confirm before booking. Ask whether they're in-network for your exact plan (Medicare assignment accepted), and how the visit will be billed.
Languages: English, Spanish, Vietnamese, Arabic Telehealth available
Providers

Providers at this practice

MM
Mahmoud Mahafzah, M.D
Internal Medicine
RM
Rebecca Martin, PA-C
Physician Assistant
JK
John Knapp
Location

Getting there

Address
5251 W CAMPBELL AVE Suite 204
City
Phoenix, AZ 85031
Get directions
Verification

Where this profile comes from

City Select profiles begin with public registry data and are checked before publishing. Featured placements are labeled and never change the facts on a profile.

Source
NPI registry
Last verified
Jul 6, 2026
NPI
1245610450
Ranking policy
No pay-to-rank

City Select is free for patients, always — and any practice can claim its listing to correct a detail. Nothing a practice buys changes the directory order or the facts on this page.

Questions

What people search about Horizon Cardiovascular Institute.

Common questions about this practice. For current insurance, hours, and availability, contact the practice directly — those details change and the office is the most reliable source.

Horizon Cardiovascular Institute Plc is located at 5251 W CAMPBELL AVE Suite 204, Phoenix, AZ 85031, in the Phoenix area.

You can reach Horizon Cardiovascular Institute Plc by phone at 4807893606. For appointment scheduling, insurance questions, and accepting-new-patients status, call directly — these details change frequently and the practice is the most reliable source.

Horizon Cardiovascular Institute Plc offers services including Diagnostic Testing, Heart Care, Vein Care, Vascular Care, Womens Heart Health, Weight Loss, Ultrasound Testing, Nuclear Medicine, and more. For the current, complete list, contact the practice directly.

Horizon Cardiovascular Institute Plc has been registered as a practice for approximately 11 years (NPI enumeration on file). Operational history may extend beyond the NPI registration date.

Horizon Cardiovascular Institute Plc is listed as accepting Aetna, Anthem, Medicare, Health Net, Ambetter, Care1st, MultiPlan, PHCS, and Medicare. Insurance acceptance changes over time — confirm your exact plan and network status (call 4807893606) before scheduling.

New-patient availability changes throughout the year. Horizon Cardiovascular Institute Plc can confirm current availability by phone at 4807893606.

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