Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1821089541 Individual Practitioner Male Practitioner

Dr. E T Ayala , MD

Internal Medicine • Fond Du Lac, WI

Professional Overview & Biography Verified Profile Summary

Dr. E Ayala, MD is a registered healthcare professional specializing in Internal Medicine in Fond Du Lac, WI. Practice services are available at 92 E DIVISION ST under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

92 E Division St

Fond Du Lac, WI 549354305

Telephone 9209210560
Associated Practice Facility / Clinic
🏢 Agnesian Healthcare Inc Facility NPI 1730162991

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Fond Du Lac, WI

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 28.8 Yrs
State Avg: 26.2 Yrs
Regional Practice Density
23 Specialists

Practicing in Fond Du Lac, WI (2181 Statewide)

Telehealth Adoption Rate
13.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Medical Specialties & State Licenses

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License WI 21604

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.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID
30334700 (WI)
Commercial Insurance / Payer ID Dean
12617 (WI)
Commercial Insurance / Payer ID Touchpoint
21604 (WI)
Commercial Insurance / Payer ID John Deere
WI01B2 (WI)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

6 Historical Events
NPI Profile Active July 08, 2007

NPI status registered as active in NPPES database

📍
Updated Practice Location July 08, 2007

Registered at 92 E DIVISION ST, FOND DU LAC, WI 549354305 (Tel: 9209210560)

📍
Updated Business Mailing Address July 08, 2007

Registered at 420 E DIVISION ST, FOND DU LAC, WI 549354560 (Tel: 9209268340)

👤
Provider Name / Credentials Updated July 08, 2007

Recorded as E AYALA, MD

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) July 08, 2007

Internal Medicine (License #21604 in WI)

🟢
Initial NPI Registration & Enumeration November 02, 2005

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1821089541
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: November 02, 2005
Last Update: July 13, 2026
Sole Proprietor: No

Mailing Address

420 E Division St

Fond Du Lac, WI 549354560

Phone: 9209268340

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.