Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1134121478 Individual Practitioner Male Practitioner

Dr. Mark J Patterson , MD

Internal Medicine • Onalaska, WI

Professional Overview & Biography Verified Profile Summary

Dr. Mark Patterson, MD is a registered healthcare professional specializing in Internal Medicine in Onalaska, WI. Practice services are available at 3111 GUNDERSEN DR under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

3111 Gundersen Dr

Onalaska, WI 546508447

Telephone 6087827300
Associated Practice Facility / Clinic
🏢 Gundersen Clinic, Ltd. Facility NPI 1730130972

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Onalaska, WI

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

Practicing in Onalaska, WI (2181 Statewide)

Telehealth Adoption Rate
53.8% 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 32494

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
31926600 (WI)

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

40 Associated Practitioners
Jessica Thesing , CRNA

Nurse Anesthetist, Certified Registered

NPI 1003090507

Certified Registered Nurse Anesthetist

NPI 1003167909

Doctor of Psychology (Psy.D.)

NPI 1003201427
Julie Sonsalla , APNP

Nurse Practitioner - Adult Health

NPI 1003285511

Advanced Practice Nurse Prescriber

Laura Klingbeil

Orthopaedic Surgery

NPI 1003293713
Susan Sorrentino , RN

Registered Nurse - Addiction (Substance Use Disorder)

NPI 1003313610

Registered Nurse

Career & Practice History Timeline

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

6 Historical Events
NPI Profile Active June 02, 2015

NPI status registered as active in NPPES database

📍
Updated Practice Location June 02, 2015

Registered at 3111 GUNDERSEN DR, ONALASKA, WI 546508447 (Tel: 6087827300)

📍
Updated Business Mailing Address June 02, 2015

Registered at 1836 SOUTH AVE, LA CROSSE, WI 546015429 (Tel: 6087827300)

👤
Provider Name / Credentials Updated June 02, 2015

Recorded as MARK PATTERSON, MD

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) June 02, 2015

Internal Medicine (License #32494 in WI)

🟢
Initial NPI Registration & Enumeration June 01, 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: 1134121478
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: June 01, 2005
Last Update: June 02, 2015
Sole Proprietor: No

Mailing Address

1836 South Ave

La Crosse, WI 546015429

Phone: 6087827300

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.