1. Home
  2. Directory
  3. Michigan
  4. Saint Johns
  5. Speech Language Pathologist
  6. NPI Profile
Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

THERESE L DUFFY
NPI 1104730332
Speech-Language Pathologist in Saint Johns, MI

Active since October 02, 2026
1013 S US HIGHWAY 27 STE A, SAINT JOHNS, MI 48879(989) 224-6831 Get Directions Write a Review

NPPES record added: October 2, 2026. Verified against the NPPES registry weekly; last sync: October 04, 2026.

About Therese L Duffy NPPES

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

THERESE L DUFFY (NPI 1104730332) is an individual speech-language pathologist provider in Saint Johns, Michigan, licensed in Michigan (7101002815) and active in the NPI registry since October 2026.

NPPES Registry Identity

NPI1104730332
Entity TypeIndividualFemale
Primary Taxonomy235Z00000X
Provider Legal NameTHERESE L DUFFY
Location Address1013 S US HIGHWAY 27 STE ASaint Johns, MI 48879-2423
Mailing Address1013 S Us Highway 27 Ste ASaint Johns, MI 48879-2423 · (989) 224-6831
Phone(989) 224-6831
Sole ProprietorNo
Enumeration DateOctober 2, 2026
NPPES CertifiedOctober 2, 2026
✔ NPI 1104730332 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpeech-Language PathologistSpeech, Language and Hearing Service Providers
Taxonomy Code235Z00000X
License✔ Licensed in MI · 7101002815
Definition
The speech-language pathologist is the professional who engages in clinical services, prevention, advocacy, education, administration, and research in the areas of communication and swallowing across the life span from infancy through geriatrics. Speech-language pathologists address typical and atypical impairments and disorders related to communication and swallowing in the areas of speech sound production, resonance, voice, fluency, language (comprehension and expression), cognition, and feeding and swallowing.
1013 S US HIGHWAY 27 STE A, Saint Johns, MI 48879
Open in Google Maps ↗

Other Providers at the Same Location NPPES 7

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

BRIANA CHURCH
Social Worker (School)
1013 S US HIGHWAY 27 STE A
SAINT JOHNS, MI 48879
Clinton County (989) 224-6831
TERRA MAY DODDS MPT
Physical Therapist (Pediatrics)
1013 S US HIGHWAY 27 STE A
SAINT JOHNS, MI 48879
Clinton County (989) 224-6831
JACEY ANTCLIFF
Counselor (Mental Health)
1013 S US HIGHWAY 27 STE A
SAINT JOHNS, MI 48879
Clinton County (989) 224-6831
ALLISON SIMON M.A. CCC-SLP
Speech-Language Pathologist
1013 S US HIGHWAY 27 STE A
SAINT JOHNS, MI 48879
Clinton County (989) 224-6831
ALISSA SCHAFER LMSW
Social Worker (School)
1013 S US HIGHWAY 27 STE A
SAINT JOHNS, MI 48879
Clinton County (989) 224-6831
DANIEL LEWIS
Social Worker (School)
1013 S US HIGHWAY 27 STE A
SAINT JOHNS, MI 48879
Clinton County (989) 224-6831
REBECCA LYN MICHALEK
Speech-Language Pathologist
1013 S US HIGHWAY 27 STE A
SAINT JOHNS, MI 48879
Clinton County (989) 224-6831

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 Therese Duffy's NPI number?

The NPI number for Therese Duffy is 1104730332. It was assigned to this individual provider in the NPPES registry on October 2, 2026.

Where is Therese Duffy located?

Therese Duffy practices at 1013 S Us Highway 27 Ste A, Saint Johns, MI 48879. The listed phone number is (989) 224-6831.

What is Therese Duffy's specialty?

The primary specialty registered for this NPI is Speech-Language Pathologist with taxonomy code 235Z00000X.

When was this NPI record last updated?

The NPPES record for Therese Duffy was last updated on October 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.