Dr. Alexander M. Villareal
Dr. Alexander M. Villareal

Dr. Alexander M. Villareal

  • Gender: Male
  • Experience: 22 years
  • Graduation year: 1999
  • Sole propriator: No
  • NPI: 1609094457

Dr. Alexander M. Villareal M.D.

Sleep Medicine Specialist

He is located at 1836 South Avenue in La Crosse, WI 54601. Can help patients with the following: Cholecystitis, Constipation, Hot Flashes, Nightmares, Sleep Apnea, Sleep Disorders. His National Provider Identifier (NPI) number is 1609094457. Appointment can be made via the phone number (608) 782-7300. He is affiliated with 3 hospitals.

Conditions treated

Dr. Alexander M. Villareal, being an sleep medicine specialist, 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. Alexander M. Villareal.

  • Abdominal Pain
  • Acute Pain
  • Anemia
  • Anxiety
  • Arthritis
  • Asthma
  • Atherosclerosis
  • Bladder Control
  • Chest Pain
  • Cholecystitis
  • Chronic Obstructive Pulmonary Disease (COPD)
  • Common Cold
  • Constipation
  • Cystitis
  • Depression
  • Diarrhea
  • Edema
  • Fever
  • Gastroesophageal Reflux Disease (GERD)
  • General Care
  • Grief
  • Headache
  • Heart Disease
  • Hiatal Hernia
  • High Blood Pressure
  • Hot Flashes
  • Hyperlipidemia
  • Hypersomnia
  • Hyponatremia
  • Influenza
  • Inguinal Hernia
  • Insomnia
  • Isolation
  • Jet Lag
  • Migraine
  • Narcolepsy
  • Nausea and Vomiting
  • Night Sweats
  • Nightmares
  • Obesity
  • Online Therapy
  • Osteoporosis
  • Peptic Ulcer
  • Prescription Refill
  • Problem Sleepiness
  • Relationship Issues
  • Restless Leg Syndrome (RLS)
  • Sleep Apnea
  • Sleep Disorders
  • Sleep Paralysis
  • Sleepwalking
  • Snoring
  • Stress
  • Trauma
  • Urethritis
  • Urinary Tract Infection (UTI)

Procedures Performed by Dr. Alexander M. Villareal

Insurances Accepted by Dr. Alexander M. Villareal

  1. Medicare
  2. Quartz

Medicare Enrollment

Dr. Alexander M. Villareal is enrolled to bill Medicare as a Practitioner - Sleep Medicine (also registered under: Practitioner - Internal Medicine) .

Bills through: Gundersen Clinic Ltd

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.

Payments received

Drug payment

Merck $121
Teva Pharmaceuticals $50
UCB $23

Other

Food and Beverage $195

Studies

Graduated in 1999

Additional Specialities

  • Internist

Affiliated hospitals

GUNDERSEN LUTHERAN MEDICAL CENTER
1910 SOUTH AVE
LA CROSSE, 54601 WI
(608) 782-7300
TOMAH MEMORIAL HOSPITAL
501 GOPHER DR
TOMAH, 54660 WI
(608) 372-2181
REEDSBURG AREA MEDICAL CENTER
2000 N DEWEY AVE
REEDSBURG, 53959 WI
(608) 524-6487

Looking for more Sleep Medicine Specialists?

Here are sleep medicine specialists in Wisconsin you may want to explore.

Dr. Don A. Harden
  • Gender: Male
  • Address: 2844 Index Road Fitchburg, 53713, WI
Dr. William N. Donovan
  • Gender: Male
  • Address: 2844 Index Road Fitchburg, 53713, WI
Dr. Mihai C. Teodorescu
  • Gender: Male
  • Address: 2880 University Avenue Madison, 53705, WI
Dr. Brittany Joelle Meyer
  • Gender: Female
  • Address: Suite 300 2301 Sun Valley Drive Delafield, 53018, WI
Dr. Harrison M. Gimbel
  • Gender: Male
  • Address: 2844 Index Road Fitchburg, 53713, WI
Dr. Steven R. Barczi
  • Gender: Male
  • Address: 600 Highland Avenue Madison, 53792, WI
Dr. Rachna Tiwari
  • Gender: Female
  • Address: 1 Science Court Madison, 53711, WI
Dr. Allen C. Foster
  • Gender: Male
  • Address: 1836 South Avenue La Crosse, 54601, WI
Dr. Ioannis Karkatzounis
  • Gender: Male
  • Address: 855 North Westhaven Drive Oshkosh, 54904, WI

Questions & Answers

Where can you meet with Dr. Alexander M. Villareal?

Dr. Alexander M. Villareal's office is located at 1836 South Avenue in La Crosse, WI 54601.

Does Dr. Alexander M. Villareal accept patients with Quartz?

Yes, Dr. Alexander M. Villareal accepts patients with Quartz.

What conditions does Dr. Alexander M. Villareal treat?

Dr. Alexander M. Villareal provides treatment for Cholecystitis, Constipation, Hot Flashes, Nightmares, Sleep Apnea, Sleep Disorders. For the full list see this list.

Has Dr. Alexander M. Villareal affiliation with hospitals?

Dr. Alexander M. Villareal is affiliated with GUNDERSEN LUTHERAN MEDICAL CENTER. For the full list of hospitals see this list.