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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. JOHN J RICCIARDELLI M.D.
NPI 1497729099
Internal Medicine in Port Jefferson Station, NY

Active since February 13, 2006
112 TERRYVILLE RD, PORT JEFFERSON STATION, NY 11776(631) 473-3900(631) 474-4475 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 13, 2026, Nov 4, 2019 (2 updates tracked since 2019).

About Dr. John J Ricciardelli M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. JOHN J RICCIARDELLI M.D. (NPI 1497729099) is an individual internal medicine provider in Port Jefferson Station, New York, licensed in New York (1601461) and active in the NPI registry since February 2006.

NPPES Registry Identity

NPI1497729099
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. JOHN J RICCIARDELLICredential: M.D.
Location Address112 TERRYVILLE RDPort Jefferson Station, NY 11776-1329
Mailing Address1500 Route 112, Bldg 4Port Jefferson Station, NY 11776-8055 · (631) 574-8354 · Fax (631) 509-6559
Phone(631) 473-3900
Fax(631) 474-4475
Sole ProprietorNo
Enumeration DateFebruary 13, 2006
Last NPPES UpdateJuly 13, 20262 updates tracked since enumeration
✔ NPI 1497729099 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in NY · 1601461
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
112 TERRYVILLE RD, Port Jefferson Station, NY 11776
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Other Providers at the Same Location NPPES 4

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

AMANDA FOY
Physician Assistant
112 TERRYVILLE RD
PORT JEFFERSON STATION, NY 11776
Suffolk County (631) 209-2827
DR. ADELAIDE LU MASAKAYAN M.D.
Pediatrics
112 TERRYVILLE RD
PORT JEFFERSON STATION, NY 11776
Suffolk County (631) 209-2827
MS. BRENNA KATHERINE BUCKSTEIN MSPAS, PA-C
Physician Assistant
112 TERRYVILLE RD
PORT JEFFERSON STATION, NY 11776
Suffolk County (631) 209-2827
JENNA MARIE CANDEMERES CPNP-PC
Nurse Practitioner (Pediatrics)
112 TERRYVILLE RD
PORT JEFFERSON STATION, NY 11776
Suffolk County (631) 209-2827

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is John Ricciardelli's NPI number?

The NPI number for John Ricciardelli is 1497729099. It was assigned to this individual provider in the NPPES registry on February 13, 2006.

Where is John Ricciardelli located?

John Ricciardelli practices at 112 Terryville Rd, Port Jefferson Station, NY 11776. The listed phone number is (631) 473-3900.

What is John Ricciardelli's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

When was this NPI record last updated?

The NPPES record for John Ricciardelli was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 24 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.