Dr. John Joseph Flaherty
Dr. John J. Flaherty
Last updated: Apr 3, 2026

Dr. John J. Flaherty

  • Gender: Male
  • Experience: 40 years
  • Graduation year: 1981
  • Sole propriator: No
  • NPI: 1528143807

Dr. John J. Flaherty M.D., MPH

Emergency Physician

He is located at 1836 South Avenue in La Crosse, WI 54601. Can help patients with the following: Common Cold, Coronavirus, Fever, Hematoma, Prescription Refill, Whiplash. His National Provider Identifier (NPI) number is 1528143807. Appointment can be made via the phone number (608) 782-7300. He is affiliated with 1 hospitals.

Conditions treated

Dr. John Joseph Flaherty, being an emergency physician, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. John J. Flaherty.

  • Acute Pain
  • Altitude Sickness
  • Angina
  • Brain Aneurysm
  • Brain Hemorrhage
  • Broken Bone
  • Bruises
  • Choking
  • Common Cold
  • Coronavirus
  • Costochondritis
  • Febrile Seizure
  • Fever
  • Frostbite
  • General Care
  • Headache
  • Hematoma
  • Influenza
  • Insect Stings
  • Laceration
  • Migraine
  • Nausea and Vomiting
  • Phlebitis and Thrombophlebitis
  • Prescription Refill
  • Whiplash

Procedures Performed by Dr. John J. Flaherty

Insurances Accepted by Dr. John J. Flaherty

  1. Medicare

Medicare Enrollment

Dr. John J. Flaherty is enrolled to bill Medicare as a Practitioner - Emergency Medicine .

Bills through: Endeavor Health Medical Group

Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and is not a comment on insurance accepted, quality, outcomes, or board certification.

Studies

Graduated in 1981

Affiliated hospitals

MASSAC MEMORIAL HOSPITAL
28 CHICK STREET, PO BOX 850
METROPOLIS, 62960 IL
(618) 524-2176

Looking for more Emergency Physicians?

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Dr. Anthony W. Deuster
  • Gender: Male
  • Address: 700 West Avenue South La Crosse, 54601, WI
Dr. Joseph D. Verzwyvelt
  • Gender: Male
  • Address: 1836 South Avenue La Crosse, 54601, WI
Dr. Jessica Anne Schwarz
  • Gender: Female
  • Address: 1836 South Avenue La Crosse, 54601, WI
Dr. Aaron J. Hanesworth
  • Gender: Male
  • Address: 1910 South Avenue La Crosse, 54601, WI
Dr. Ishan Kamlesh Shah
  • Gender: Male
  • Address: 815 10th Street South La Crosse, 54601, WI
Dr. Jeffrey D. Hillesland
  • Gender: Male
  • Address: 1836 South Avenue La Crosse, 54601, WI
Dr. John J. Pershing
  • Gender: Male
  • Address: 1836 South Avenue La Crosse, 54601, WI
Dr. Judson F. Omans
  • Gender: Male
  • Address: 1836 South Avenue La Crosse, 54601, WI
Dr. Benjamin Orozco
  • Gender: Male
  • Address: 1836 South Avenue La Crosse, 54601, WI
Dr. Alecia Gende
  • Gender: Female
  • Address: 700 West Avenue South La Crosse, 54601, WI

Questions & Answers

Has Dr. John Joseph Flaherty affiliation with hospitals?

Dr. John Joseph Flaherty is affiliated with MASSAC MEMORIAL HOSPITAL.

Does Dr. John Joseph Flaherty accept patients with Medicare?

Yes, Dr. John Joseph Flaherty accepts patients with Medicare.

Where can you meet with Dr. John Joseph Flaherty?

Dr. John Joseph Flaherty's office is located at 1836 South Avenue in La Crosse, WI 54601.

What conditions does Dr. John Joseph Flaherty treat?

Dr. John Joseph Flaherty provides treatment for Common Cold, Coronavirus, Fever, Hematoma, Prescription Refill, Whiplash. For the full list see this list.