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

Individual provider Internal Medicine Physician · NPI 1578552246

Mark D Forrestal, MD is an Internal Medicine Physician in Arlington Heights, Illinois. Licensed in Illinois. Registered with an NPI since 2005.

Licensed in
IL
In the registry since
2005
Specialties on file
2
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

1410 N Arlington Heights Rd Ste 300
Arlington Heights, IL 60004-4827
Phone: (847) 618-1740
Fax: (847) 618-1749
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Specialties & licences

Phlebology Physician (primary) Taxonomy 202K00000X · Licence 036-062967 (IL)
Internal Medicine Physician Taxonomy 207R00000X · Licence 036-062967 (IL)

Record details

NPI number1578552246
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 17, 2005
Last updated in NPPESMarch 3, 2020
Certification dateMarch 3, 2020
Mailing address1410 N Arlington Heights Rd, Ste 300, Arlington Heights, IL 60004-4827

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