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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. DIANE LOUISE FOUNTAS M.D.
NPI 1376507301
Pediatrics - Adolescent Medicine in Waterbury, CT

Active since April 14, 2006
1389 W MAIN ST, SUITE 325, WATERBURY, CT 06708(203) 753-6776(203) 573-1875 Get Directions Write a Review

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

About Dr. Diane Louise Fountas M.d. NPPES

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

DR. DIANE LOUISE FOUNTAS M.D. (NPI 1376507301) is an individual adolescent medicine provider in Waterbury, Connecticut, licensed in Connecticut (024436) and active in the NPI registry since April 2006.

NPPES Registry Identity

NPI1376507301
Entity TypeIndividualFemale
Primary Taxonomy2080A0000X
Provider Legal NameDR. DIANE LOUISE FOUNTASCredential: M.D.
Location Address1389 W MAIN ST, SUITE 325Waterbury, CT 06708-3104
Mailing Address1389 W Main St, Suite 325Waterbury, CT 06708-3104 · (203) 753-6776 · Fax (203) 573-1875
Phone(203) 753-6776
Fax(203) 573-1875
Sole ProprietorNo
Enumeration DateApril 14, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1376507301 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Adolescent MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2080A0000X
License✔ Licensed in CT · 024436
Definition
A pediatrician who specializes in adolescent medicine is a multi-disciplinary healthcare specialist trained in the unique physical, psychological and social characteristics of adolescents, their healthcare problems and needs.
1389 W MAIN ST, Waterbury, CT 06708
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Other Providers at the Same Location NPPES 20

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

DR. JUAN FICA M.D.
Internal Medicine (Endocrinology, Diabetes & Metabolism)
1389 W MAIN ST, TOWER 2, SUITE 320
WATERBURY, CT 06708
Naugatuck Valley Planning Region (203) 753-9313
KATHY REIFF
Occupational Therapist (Pediatrics)
1389 W MAIN ST
WATERBURY, CT 06708
Naugatuck Valley Planning Region (203) 757-1474
GREATER WATERBURY ORAL & MAXILLOFACIAL SURGEONS LLC
Dentist (Oral and Maxillofacial Surgery)
1389 W MAIN ST, SUITE 320
WATERBURY, CT 06708
Naugatuck Valley Planning Region (203) 573-1427
ENDODONTIC ASSOCIATES OF GREATER WATERBURY, PC
Dentist (Endodontics)
1389 W MAIN ST, SUITE 208
WATERBURY, CT 06708
Naugatuck Valley Planning Region (203) 757-1287
CINDY DUNCAN
Speech-Language Pathologist
1389 W MAIN ST
WATERBURY, CT 06708
Naugatuck Valley Planning Region (203) 757-1474
MR. RICHARD POPE PA-C
Physician Assistant (Medical)
1389 W MAIN ST, SUITE120
WATERBURY, CT 06708
Naugatuck Valley Planning Region (203) 755-5555
SARAH MOREIRA SLP
Speech-Language Pathologist
1389 W MAIN ST
WATERBURY, CT 06708
Naugatuck Valley Planning Region (203) 757-1474
NAUGATUCK VALLEY MRI LLC
Radiology (Diagnostic Radiology)
1389 W MAIN ST
WATERBURY, CT 06708
Naugatuck Valley Planning Region (203) 574-1311

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 Diane Fountas's NPI number?

The NPI number for Diane Fountas is 1376507301. It was assigned to this individual provider in the NPPES registry on April 14, 2006.

Where is Diane Fountas located?

Diane Fountas practices at 1389 W Main St Suite 325, Waterbury, CT 06708. The listed phone number is (203) 753-6776.

What is Diane Fountas's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Adolescent Medicine, with taxonomy code 2080A0000X.

When was this NPI record last updated?

The NPPES record for Diane Fountas 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.