City Select
NPI-verified · Jul 2026Cardiology · PhoenixPublic · unclaimed

Horizon Cardiovascular Institute

For 11 years, Horizon Cardiovascular Institute Plc has provided cardiology care in Phoenix. The practice is staffed by 3 physicians, M.D, with telehealth visits available. The practice accepts Medicare assignment and offers care in English, Spanish, Vietnamese, and Arabic.

For the practice owner

Is this your practice? Claim it — free.

Your listing is missing your website and your hours, and your services. Add them in two minutes — everything else is already filled in for you.

  • Fix your address, phone and website
  • Add your providers, services, hours and insurance
  • Rank higher — complete profiles come first. Ranking is never sold.
Claim this profile

Free forever. No card, no contract. Takes about two minutes.

Specialty
Cardiology
On staff
3 providers
Established
~11 years
Insurance & patient info

Plans this practice is listed as accepting

Accepts insurance, including Medicare assignment — call to confirm your plan.

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

For providers

Are you a cardiologist in Arizona?

Claim your free listing to add photos, services, hours, and offers — or apply for a featured spot at the top of this page.

Profile completeness40%

Claim to add your website, your hours, your services and more.

Free · NPI-verified · nothing you buy changes directory order

Verified onCity Select
Claim to earn this badge — a do-follow backlink to your profile and a trust signal for patients.
Nearby verified profiles

Other cardiology practices in Phoenix

View all →