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

Dr. Alan Louis Weiss, MD

Individual provider Internal Medicine Physician · NPI 1366594194

Dr. Alan Louis Weiss, MD is an Internal Medicine Physician in Elk Grove Village, Illinois. Licensed in Illinois. Registered with an NPI since 2007.

Licensed in
IL
In the registry since
2007
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

800 Biesterfield Rd Ste 505
Elk Grove Village, IL 60007-3311
Phone: (847) 437-5843
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X (IL)

Record details

NPI number1366594194
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJanuary 18, 2007
Last updated in NPPESJuly 9, 2007

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