Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Catherine Tremblay, MD

Individual provider Family Medicine Physician · NPI 1235715277

Dr. Catherine Tremblay, MD is a Family Practice in Geneva, Illinois. Graduated from University of Minnesota Medical School in 2021, 5 years ago. Practices with Group Health Plan Inc, a 1,633-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Illinois.

Years since qualifying
5
Trained at
University of Minnesota Medical School
Licensed in
IL
In the registry since
2021
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

300 Randall Rd
Geneva, IL 60134-4200
Phone: (630) 208-3000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 125078407 (IL)

Record details

NPI number1235715277
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 21, 2021
Last updated in NPPESJune 14, 2021
Certification dateJune 14, 2021
Mailing address300 Randall Rd, Geneva, IL 60134-4200

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyFAMILY PRACTICE
Medical schoolUNIVERSITY OF MINNESOTA MEDICAL SCHOOL
Graduated 2021 (5 years in practice)
Group practice Group Health Plan Inc — 1633 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

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