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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

DR. WARREN I HAMMER DC
NPI 1245340801
Chiropractor in Norwalk, CT

Active since August 30, 2006
161 EAST AVE, SUITE 102, NORWALK, CT 06851(203) 838-5544(203) 838-9822 Get Directions Write a Review

NPPES record last updated: July 5, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. Warren I Hammer Dc NPPES

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

DR. WARREN I HAMMER DC (NPI 1245340801) is an individual chiropractor in Norwalk, Connecticut, licensed in Connecticut (000115) and active in the NPI registry since August 2006.

NPPES Registry Identity

NPI1245340801
Entity TypeIndividualMale
Primary Taxonomy111N00000X
Provider Legal NameDR. WARREN I HAMMERCredential: DC
Location Address161 EAST AVE, SUITE 102Norwalk, CT 06851-5710
Mailing Address161 East Ave, Suite 102Norwalk, CT 06851-5710 · (203) 838-5544 · Fax (203) 838-9822
Phone(203) 838-5544
Fax(203) 838-9822
Sole ProprietorYes
Enumeration DateAugust 30, 2006
Last NPPES UpdateJuly 5, 2026
✔ NPI 1245340801 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyChiropractorChiropractic Providers
Taxonomy Code111N00000X
License✔ Licensed in CT · 000115
Definition

A provider qualified by a Doctor of Chiropractic (D.C.), licensed by the State and who practices chiropractic medicine -that discipline within the healing arts which deals with the nervous system and its relationship to the spinal column and its interrelationship with other body systems.

161 EAST AVE, Norwalk, CT 06851
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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.

MRS. DEBORAH M HAMMER D.C.
Chiropractor
161 EAST AVE
NORWALK, CT 06851
Western Connecticut Planning Region (203) 838-5544
DR. DANIEL FABER D.M.D
Dentist
161 EAST AVE, 201
NORWALK, CT 06851
Western Connecticut Planning Region (203) 354-3193
JENNIFER LEE SPAIDE MS
Nutritionist (Nutrition, Education)
161 EAST AVE, SUITE 105
NORWALK, CT 06851
Western Connecticut Planning Region (203) 642-3737
HAMMER HANDS ON THERAPEUTICS
Chiropractor
161 EAST AVE, SUITE 102
NORWALK, CT 06851
Western Connecticut Planning Region (203) 838-5544
MS. DIANA MARIE O'BRIEN LCSW
Social Worker (Clinical)
161 EAST AVE, SUITE 204
NORWALK, CT 06851
Western Connecticut Planning Region (203) 838-8344
MS. JENNY DAVIS
Social Worker (Clinical)
161 EAST AVE, SUITE 204
NORWALK, CT 06851
Western Connecticut Planning Region (203) 838-8344
ALOHA NATURAL HEALING CENTER LLC
Clinic/Center (Health Service)
161 EAST AVE, SUITE 204
NORWALK, CT 06851
Western Connecticut Planning Region (203) 286-6172
DR. MARGARET A RAGUE ND
Naturopath
161 EAST AVE, SUITE 204
NORWALK, CT 06851
Western Connecticut Planning Region (203) 286-6172

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 Warren Hammer's NPI number?

The NPI number for Warren Hammer is 1245340801. It was assigned to this individual provider in the NPPES registry on August 30, 2006.

Where is Warren Hammer located?

Warren Hammer practices at 161 East Ave Suite 102, Norwalk, CT 06851. The listed phone number is (203) 838-5544.

What is Warren Hammer's specialty?

The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.

When was this NPI record last updated?

The NPPES record for Warren Hammer was last updated on July 5, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.