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

Mr. John F Folan, MD

Individual provider Internal Medicine Physician · NPI 1780801605

Mr. John F Folan, MD is an Internal Medicine in Islandia, New York. Graduated from University of Maryland School of Medicine in 1985, 41 years ago. Practices with Chs Physician Partners PC, a 747-clinician group, accepts Medicare assignment and offers telehealth. Licensed in New York.

Years since qualifying
41
Trained at
University of Maryland School of Medicine
Licensed in
NY
In the registry since
2007
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

3001 Express Dr N Ste 200C
Islandia, NY 11749-5301
Phone: (631) 435-4358
Fax: (631) 435-4583
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 167755 (NY)

Record details

NPI number1780801605
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 20, 2007
Last updated in NPPESJanuary 15, 2020
Certification dateJanuary 15, 2020

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolUNIVERSITY OF MARYLAND SCHOOL OF MEDICINE
Graduated 1985 (41 years in practice)
Group practice Chs Physician Partners Pc — 747 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Islandia