Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. Alexander M. Villareal, MD

Individual provider Internal Medicine Physician · NPI 1609094457

Dr. Alexander M. Villareal, MD is a Sleep Medicine in LA Crosse, Wisconsin. Qualified in 1999, 27 years ago. Practices with Southwest Health Center Inc, a 113-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Pennsylvania and Wisconsin.

Years since qualifying
27
Licensed in
PA, WI
In the registry since
2007
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1836 S Ave
LA Crosse, WI 54601-5429
Phone: (608) 782-7300
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Sleep Medicine (Internal Medicine) Physician (primary) Taxonomy 207RS0012X · Licence 57998 (WI)
Internal Medicine Physician Taxonomy 207R00000X · Licence MD431468 (PA)
Sleep Medicine (Internal Medicine) Physician Taxonomy 207RS0012X · Licence MD431468 (PA)

Record details

NPI number1609094457
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 24, 2007
Last updated in NPPESApril 29, 2016

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtySLEEP MEDICINE
Also practisesINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1999 (27 years in practice)
Group practice Southwest Health Center Inc — 113 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations4 on file with Medicare

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