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

John S Ferraro, DO

Individual provider Internal Medicine Physician · NPI 1295795912

John S Ferraro, DO is an Internal Medicine in East Northport, New York. Graduated from New York College of Osteo Medicine of New York Institute of Technology in 1994, 32 years ago. Accepts Medicare assignment. Licensed in New York.

Years since qualifying
32
Trained at
New York College of Osteo Medicine of New York Institute of Technology
Licensed in
NY
In the registry since
2006
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

5 Stell Ln
East Northport, NY 11731-4510
Phone: (631) 615-4430
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 205804 (NY)

Record details

NPI number1295795912
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedMarch 25, 2006
Last updated in NPPESJune 27, 2013

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolNEW YORK COLLEGE OF OSTEO MEDICINE OF NEW YORK INSTITUTE OF TECHNOLOGY
Graduated 1994 (32 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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