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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.

MR. RONALD J PANTANO MD
NPI 1619979804
Internal Medicine in Worcester, MA

Active since June 01, 2005
100 CENTRAL STREET, 4TH FLOOR, WORCESTER, MA 01608(508) 363-3616(508) 363-0607 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Mr. Ronald J Pantano Md NPPES

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

MR. RONALD J PANTANO MD (NPI 1619979804) is an individual internal medicine provider in Worcester, Massachusetts, licensed in Massachusetts (45076) and active in the NPI registry since June 2005.

NPPES Registry Identity

NPI1619979804
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameMR. RONALD J PANTANOCredential: MD
Location Address100 CENTRAL STREET, 4TH FLOORWorcester, MA 01608
Mailing Address100 Central Street, 4th FloorWorcester, MA 01608 · (508) 363-3616 · Fax (508) 363-0607
Phone(508) 363-3616
Fax(508) 363-0607
Sole ProprietorNo
Enumeration DateJune 1, 2005
Last NPPES UpdateJuly 13, 2026
✔ NPI 1619979804 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in MA · 45076
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.
100 CENTRAL STREET, Worcester, MA 01608
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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 Ronald Pantano's NPI number?

The NPI number for Ronald Pantano is 1619979804. It was assigned to this individual provider in the NPPES registry on June 1, 2005.

Where is Ronald Pantano located?

Ronald Pantano practices at 100 Central Street 4th Floor, Worcester, MA 01608. The listed phone number is (508) 363-3616.

What is Ronald Pantano'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 Ronald Pantano 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 33 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.