Independent US Healthcare Provider Directory & Public Medical Database Patient Guides
Medical Specialty Listing

Internal Medicine Providers in New Fairfield, CT

Browse 6 Internal Medicine providers listed in NPPES with a practice address in New Fairfield, Connecticut.

6 Healthcare Providers

How New Fairfield compares with the U.S.

6 active clinicians in Internal Medicine list a practice address in New Fairfield, CT in the NPI registry.

With fewer than 10 clinicians, rates per 100,000 residents are not reliable enough to compare.

Too few clinicians in Internal Medicine in New Fairfield are listed in the CMS Medicare file to report Medicare assignment or telehealth shares.

These figures summarize public federal data. They do not measure quality of care, appointment availability, or whether a clinician accepts your insurance or new patients. Registry addresses can be out of date. Please confirm details directly with the office and your plan. This information is not medical advice.

Prepared by T-MedInfo from NPPES, CMS and U.S. Census Bureau data. Questions or corrections: support@true-medinfo.com ยท Methodology

Sources: Clinician counts and practice addresses: NPPES NPI Registry, Centers for Medicare & Medicaid Services (CMS), data as of August 2026.

Showing 1โ€“6 of 6 providers
With recent CMS data first, then Aโ€“Z

Dr. William Biles , MD

Internal Medicine

Active NPI Status
96 State Route 37, New Fairfield, CT 068124034
Phone: 2037466000
NPI Identifier 1275557167
View Full Profile

Dr. Roger H Karlin , MD

Internal Medicine

Active NPI Status Accepts Medicare Assignment
88 Route 37, New Fairfield, CT 06812
Phone: 2037462436
NPI Identifier 1700894177
View Full Profile

Dr. Peter Orrin Rostenberg , MD

Internal Medicine

Active NPI Status
71 Route 39, New Fairfield, CT 06812
Phone: 2037463300
NPI Identifier 1538272117
View Full Profile

Dr. Patrice Ann Thornton , MD

Internal Medicine

Active NPI Status Accepts Medicare Assignment
New Fairfield Family Practice, 96 Route 37, New Fairfield, CT 06812
Phone: 2037466000
NPI Identifier 1205824455
View Full Profile

Dr. Gary Thomas Yacono , MD

Internal Medicine

Active NPI Status
130 State Route 37, New Fairfield, CT 068124013
Phone: 2037466000
NPI Identifier 1740298322
View Full Profile

Dr. Dorothy J Williams , MD

Internal Medicine

Active NPI Status
24 Bear Mountain Rd, New Fairfield, CT 068125105
Phone: 2037709236
NPI Identifier 1962439794
View Full Profile

Frequently Asked Questions about Internal Medicine in New Fairfield

How do I check a Internal Medicine practitioner's license?

Each practitioner profile shows the NUCC taxonomy code and any state license number the practitioner reported to NPPES, plus a link to the Connecticut licensing board lookup. NPPES entries are self-reported; current license status is published only by the state board.

Why is a practitioner missing from this list?

This list shows NPI records that are active in NPPES. A deactivated NPI keeps its profile with the deactivation date and practice history; find it with the site search by name or NPI number.

Other Specialties in New Fairfield

Internal Medicine Providers in Other Connecticut Cities

Cities with the most listed practitioners first.