GAY D TREPANIER MD
NPI 1164415709
Family Medicine - Geriatric Medicine in Fond Du Lac, WI

Active since August 30, 2005
481 E DIVISION ST, SUITE 100, FOND DU LAC, WI 54935(920) 929-8120(920) 929-8126 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: July 19, 2026.

  • Individual
  • Male
  • Family Medicine
  • Geriatric Medicine

About GAY TREPANIER

This page provides the complete NPI Profile along with additional information for Gay Trepanier, a primary care provider established in Fond Du Lac, Wisconsin with a medical specialization in Family Medicine, focusing in geriatric medicine . The healthcare provider is registered in the NPI registry with number 1164415709 assigned on August 2005. The practitioner's primary taxonomy code is 207QG0300X with license number 16852 (WI). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1164415709 Verify this NPI
Provider Name
GAY D TREPANIER MD
Gender
Male
Entity Type
Individual
Location Address
481 E DIVISION ST SUITE 100 FOND DU LAC, WI 54935
Location Phone
(920) 929-8120
Location Fax
(920) 929-8126
Mailing Address
481 E DIVISION ST SUITE 100 FOND DU LAC, WI 54935
Mailing Phone
(920) 929-8120
Mailing Fax
(920) 929-8126
Is Sole Proprietor?
No
Enumeration Date
08-30-2005
Last Update Date
09-11-2025
Code Navigator

A primary care provider (PCP) like Gay Trepanier sees people with common medical problems. The primary care provider might be a doctor, physician assistant, nurse practitioner or clinic that are usually involved in your long-term care. A PCP might provide preventive care, treat common medical conditions, identify urgent medical problems and refer you to specialists when necessary. Primary care is usually provided in an outpatient facility but if you are admitted to a hospital your PCP may assist in your care. The most common medical conditions seen by primary care providers are: hypertension, upper respiratory tract infections, depression or anxiety, back pain, arthritis, dermatitis, diabetes, urinary tract infections, etc .

Location Map

Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Family Medicine Geriatric Medicine

Taxonomy Code
207QG0300X
Type
Allopathic & Osteopathic Physicians
License No.
16852
License State
WI
Taxonomy Description
A family medicine physician with special knowledge of the aging process and special skills in the diagnostic, therapeutic, preventive and rehabilitative aspects of illness in the elderly. This specialist cares for geriatric patients in the patient's home, the office, long-term care settings such as nursing homes, and the hospital.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1207Q00000XAllopathic & Osteopathic Physicians

Family Medicine

16852 (WI)

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Additional Identifiers

The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.

Identifier Type / Code Identifier State Identifier Issuer
31081800MEDICAID (05)WI 

Reviews for GAY D TREPANIER MD

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Other Providers at the Same Location


The following 18 providers are registered at the same or a nearby location.

Radiology (Diagnostic Radiology)
481 E DIVISION ST
FOND DU LAC, WI 54935
Radiology (Diagnostic Radiology)
481 E DIVISION ST
FOND DU LAC, WI 54935
Radiology (Diagnostic Radiology)
481 E DIVISION ST
FOND DU LAC, WI 54935
Radiology (Diagnostic Radiology)
481 E DIVISION ST
FOND DU LAC, WI 54935
Radiology (Diagnostic Radiology)
481 E DIVISION ST
FOND DU LAC, WI 54935
Audiologist
481 E DIVISION ST, SUITE 900
FOND DU LAC, WI 54935
Hearing Instrument Specialist
481 E DIVISION ST, STE 900
FOND DU LAC, WI 54935
Hearing Instrument Specialist
481 E DIVISION ST, STE 900
FOND DU LAC, WI 54935
Hearing Instrument Specialist
481 E DIVISION ST, SUITE 900
FOND DU LAC, WI 54935
Radiology (Diagnostic Radiology)
481 E DIVISION ST
FOND DU LAC, WI 54935
Hearing Instrument Specialist
481 E DIVISION ST, SUITE 900
FOND DU LAC, WI 54935
Hearing Instrument Specialist
481 E DIVISION ST, SUITE 900
FOND DU LAC, WI 54935
Counselor (Professional)
481 E DIVISION ST, SUITE 400
FOND DU LAC, WI 54935
Hearing Instrument Specialist
481 E DIVISION ST, SUITE 900
FOND DU LAC, WI 54935
Hearing Instrument Specialist
481 E DIVISION ST
FOND DU LAC, WI 54935
Radiology (Diagnostic Radiology)
481 E DIVISION ST
FOND DU LAC, WI 54935
Contractor
481 E DIVISION ST, 100
FOND DU LAC, WI 54935
Family Medicine (Geriatric Medicine)
481 E DIVISION ST, SUITE 100
FOND DU LAC, WI 54935

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1164415709, enumerated as an "individual" on August 30, 2005.

The provider is located at 481 E DIVISION ST SUITE 100 FOND DU LAC, WI 54935 and the phone number is (920) 929-8120.

Family Medicine with taxonomy code 207QG0300X and a focus in Geriatric Medicine.

The provider might be accepting Accepts: Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.