Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

John Michael Ioannou, MD

Individual provider Nephrology Physician · NPI 1851330328

John Michael Ioannou, MD is a Nephrology in Rockville Centre, New York. Graduated from Icahn School of Medicine at Mount Sinai in 2001, 25 years ago. Practices with Prine Health Medical Group, PLLC, a 75-clinician group, accepts Medicare assignment and offers telehealth. Licensed in New York.

Years since qualifying
25
Trained at
Icahn School of Medicine at Mount Sinai
Licensed in
NY
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

242 Merrick Rd Ste 304
Rockville Centre, NY 11570-5254
Phone: (516) 764-7070
Fax: (516) 764-7073
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Nephrology Physician (primary) Taxonomy 207RN0300X · Licence 231998 (NY)

Record details

NPI number1851330328
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 6, 2006
Last updated in NPPESOctober 30, 2009

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNEPHROLOGY
Also practisesINTERNAL MEDICINE
Medical schoolICAHN SCHOOL OF MEDICINE AT MOUNT SINAI
Graduated 2001 (25 years in practice)
Group practice Prine Health Medical Group, Pllc — 75 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Rockville Centre