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DR. CATHERINE MEZZACAPPA MD
NPI 1952891327
Internal Medicine - Gastroenterology in West Haven, CT

Active since May 11, 2018
950 CAMPBELL AVE, WEST HAVEN, CT 06516(203) 932-5711 Get Directions Write a Review

NPPES record last updated: January 22, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jan 22, 2026, Sep 9, 2025, May 11, 2018 (3 updates tracked since 2018).

About Dr. Catherine Mezzacappa Md NPPES

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

DR. CATHERINE MEZZACAPPA MD (NPI 1952891327) is an individual gastroenterology provider in West Haven, Connecticut, licensed in Connecticut (79298) and active in the NPI registry since May 2018. She maintains a secondary practice location in Leeds.

NPPES Registry Identity

NPI1952891327
Entity TypeIndividualFemale
Primary Taxonomy207RG0100X
Provider Legal NameDR. CATHERINE MEZZACAPPACredential: MD
Location Address950 CAMPBELL AVEWest Haven, CT 06516-2770
Mailing Address950 Campbell AveWest Haven, CT 06516-2770 · (203) 932-5711
Phone(203) 932-5711
Sole ProprietorNo
Enumeration DateMay 11, 2018
Last NPPES UpdateJanuary 22, 20263 updates tracked since enumeration
NPPES CertifiedJanuary 22, 2026
✔ NPI 1952891327 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in CT · 79298
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
950 CAMPBELL AVE, West Haven, CT 06516
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Secondary Practice Location 1

Location 1421 N Main StLeeds, MA 01053-9764 · Phone (413) 584-4040

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.

LESLIE TANQUILUT PHARMD
Pharmacist (Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist)
950 CAMPBELL AVE, PHARMACY SERVICE (119)
WEST HAVEN, CT 06516
South Central Connecticut Planning Region (203) 932-5711
NICHOLAS ANDREW VISSICCHIO PH.D.
Psychologist (Clinical)
950 CAMPBELL AVE
WEST HAVEN, CT 06516
South Central Connecticut Planning Region (203) 932-5711
DEVON MACKAY LMSW
Social Worker
950 CAMPBELL AVE
WEST HAVEN, CT 06516
South Central Connecticut Planning Region (203) 932-5711
MR. JAMES MICHAEL ALEKSUNES
Counselor
950 CAMPBELL AVE, MS 122V
WEST HAVEN, CT 06516
South Central Connecticut Planning Region (203) 932-5711
MRS. TRACEY PASCARELLA RD
Dietitian, Registered
950 CAMPBELL AVE
WEST HAVEN, CT 06516
South Central Connecticut Planning Region (203) 932-5711
DR. ANTHONY JAMES LISI D.C.
Chiropractor
950 CAMPBELL AVE, BUILDING 2, FLOOR 4
WEST HAVEN, CT 06516
South Central Connecticut Planning Region (203) 932-5711
MS. EVANGELINE BENOIT
Nurse Anesthetist, Certified Registered
950 CAMPBELL AVE
WEST HAVEN, CT 06516
South Central Connecticut Planning Region (203) 932-5711
MS. MELISSA ANN SIMONE LCSW
Social Worker (Clinical)
950 CAMPBELL AVE
WEST HAVEN, CT 06516
South Central Connecticut Planning Region (860) 694-4875

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 Catherine Mezzacappa's NPI number?

The NPI number for Catherine Mezzacappa is 1952891327. It was assigned to this individual provider in the NPPES registry on May 11, 2018.

Where is Catherine Mezzacappa located?

Catherine Mezzacappa practices at 950 Campbell Ave, West Haven, CT 06516. The listed phone number is (203) 932-5711.

What is Catherine Mezzacappa's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

When was this NPI record last updated?

The NPPES record for Catherine Mezzacappa was last updated on January 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months 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.