DR. CHARLES CLIFFORD CAHN M.D.
NPI 1720064504
Internal Medicine in Danbury, CT

Active since December 22, 2005
16 HOSPITAL AVE, SUITE 402, DANBURY, CT 06810(203) 748-6665(203) 790-9550 Get Directions Write a Review

NPPES record last updated: September 6, 2007. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Charles Clifford Cahn M.d. NPPES

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

DR. CHARLES CLIFFORD CAHN M.D. (NPI 1720064504) is an individual internal medicine provider in Danbury, Connecticut, licensed in Connecticut (027811) and active in the NPI registry since December 2005.

NPPES Registry Identity

NPI1720064504
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. CHARLES CLIFFORD CAHNCredential: M.D.
Location Address16 HOSPITAL AVE, SUITE 402Danbury, CT 06810-5927
Mailing Address16 Hospital Ave, Suite 402Danbury, CT 06810-5927 · (203) 748-6665 · Fax (203) 790-9550
Fax(203) 790-9550
Sole ProprietorYes
Enumeration DateDecember 22, 2005
Last NPPES UpdateSeptember 6, 2007
NPI 1720064504 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in CT · 027811
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.
16 HOSPITAL AVE, Danbury, CT 06810

Other Identifiers 1

Medicare UPINB38243CT

Other Providers at the Same Location NPPES 16

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

Social Worker (Clinical)
16 HOSPITAL AVE
DANBURY, CT 06810
Specialist
16 HOSPITAL AVE, SUITE 102
DANBURY, CT 06810
Counselor (Addiction (Substance Use Disorder))
16 HOSPITAL AVE
DANBURY, CT 06810
Social Worker (Clinical)
16 HOSPITAL AVE
DANBURY, CT 06810
Nurse Practitioner (Psychiatric/Mental Health)
16 HOSPITAL AVE
DANBURY, CT 06810
Pediatrics
16 HOSPITAL AVE, SUITE 203
DANBURY, CT 06810
Counselor (Addiction (Substance Use Disorder))
16 HOSPITAL AVE
DANBURY, CT 06810
Dentist (General Practice)
16 HOSPITAL AVE
DANBURY, CT 06810

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 Charles Cahn's NPI number?

The NPI number for Charles Cahn is 1720064504. It was assigned to this individual provider in the NPPES registry on December 22, 2005.

Where is Charles Cahn located?

Charles Cahn practices at 16 Hospital Ave Suite 402, Danbury, CT 06810. The listed phone number is (203) 748-6665.

What is Charles Cahn'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 Charles Cahn was last updated on September 6, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years 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.