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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

FRED W COX III MD
NPI 1487659611
Internal Medicine in La Crosse, WI

Active since June 15, 2005
1836 SOUTH AVE, LA CROSSE, WI 54601(608) 782-7300(608) 775-4467 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Fred W Cox Iii Md NPPES

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

FRED W COX III MD (NPI 1487659611) is an individual internal medicine provider in La Crosse, Wisconsin, licensed in Wisconsin (43625) and active in the NPI registry since June 2005.

NPPES Registry Identity

NPI1487659611
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameFRED W COX IIICredential: MD
Location Address1836 SOUTH AVELa Crosse, WI 54601-5429
Mailing Address1836 South AveLa Crosse, WI 54601-5429 · (608) 782-7300 · Fax (608) 775-4467
Phone(608) 782-7300
Fax(608) 775-4467
Sole ProprietorNo
Enumeration DateJune 15, 2005
Last NPPES UpdateJuly 13, 2026
✔ NPI 1487659611 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in WI · 43625
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
1836 SOUTH AVE, La Crosse, WI 54601
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Other Identifiers 1

Medicaid34125000WI

Other Providers at the Same Location NPPES 20

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

JEFFREY BRIAN TROHKIMOINEN M.D.
Anesthesiology
1836 SOUTH AVE, GUNDERSEN CLINIC, LTD.
LA CROSSE, WI 54601
La Crosse County (608) 775-2031
JESSICA E THESING CRNA
Nurse Anesthetist, Certified Registered
1836 SOUTH AVE
LA CROSSE, WI 54601
La Crosse County (608) 782-7300
DR. MICHAEL DAVID SMITH PSY.D.
Psychologist
1836 SOUTH AVE
LA CROSSE, WI 54601
La Crosse County (608) 782-7300
JESSICA MAE RASMUSSEN
Surgery
1836 SOUTH AVE
LA CROSSE, WI 54601
La Crosse County (608) 782-7300
JULIE SONSALLA APNP
Nurse Practitioner (Adult Health)
1836 SOUTH AVE
LA CROSSE, WI 54601
La Crosse County (608) 782-7300
LAURA KLINGBEIL
Orthopaedic Surgery
1836 SOUTH AVE
LA CROSSE, WI 54601
La Crosse County (608) 782-7300
SUSAN CAROL SORRENTINO RN
Registered Nurse (Addiction (Substance Use Disorder))
1836 SOUTH AVE
LA CROSSE, WI 54601
La Crosse County (608) 782-7300
NAOMI MUTHONI RUIRU APNP
Nurse Practitioner (Family)
1836 SOUTH AVE
LA CROSSE, WI 54601
La Crosse County (608) 782-7300

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 Fred Cox's NPI number?

The NPI number for Fred Cox is 1487659611. It was assigned to this individual provider in the NPPES registry on June 15, 2005.

Where is Fred Cox located?

Fred Cox practices at 1836 South Ave, La Crosse, WI 54601. The listed phone number is (608) 782-7300.

What is Fred Cox's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

When was this NPI record last updated?

The NPPES record for Fred Cox was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 25 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.