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DR. MARY ALEXIS DUFFY M.D.
NPI 1730330028
Contractor in Chattanooga, TN

Active since October 04, 2008
255 S CREST RD, CHATTANOOGA, TN 37404(423) 698-4211 Get Directions Write a Review

NPPES record last updated: October 4, 2008. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Mary Alexis Duffy M.d. NPPES

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

DR. MARY ALEXIS DUFFY M.D. (NPI 1730330028) is an individual contractor provider in Chattanooga, Tennessee, licensed in Tennessee (MEDICAL TN012927) and active in the NPI registry since October 2008.

NPPES Registry Identity

NPI1730330028
Entity TypeIndividualFemale
Primary Taxonomy171W00000X
Provider Legal NameDR. MARY ALEXIS DUFFYCredential: M.D.
Location Address255 S CREST RDChattanooga, TN 37404-5522
Mailing Address1021 Mccallie AveChattanooga, TN 37403-2814 · (423) 322-6372 · Fax (205) 268-4404
Phone(423) 698-4211
Sole ProprietorYes
Enumeration DateOctober 4, 2008
✔ NPI 1730330028 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyContractorOther Service Providers
Taxonomy Code171W00000X
License✔ Licensed in TN · MEDICAL TN012927
Definition
For the purposes of the Health Care Provider Taxonomy, a contractor is limited to individuals who do construction or mechanical work to modify a patient's environment to accommodate a health condition. Contractors perform projects including, but not limited to, building wheelchair ramps, widening doorways, modifying personal vehicles, and making other improvements for patient access and movement. This code has no relation to a provider's employment status.
255 S CREST RD, Chattanooga, TN 37404
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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 Mary Duffy's NPI number?

The NPI number for Mary Duffy is 1730330028. It was assigned to this individual provider in the NPPES registry on October 4, 2008.

Where is Mary Duffy located?

Mary Duffy practices at 255 S Crest Rd, Chattanooga, TN 37404. The listed phone number is (423) 698-4211.

What is Mary Duffy's specialty?

The primary specialty registered for this NPI is Contractor with taxonomy code 171W00000X.

When was this NPI record last updated?

The NPPES record for Mary Duffy was last updated on October 4, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.