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

Mary Lynn Sullivan, MD

Individual provider Internal Medicine Physician · NPI 1437168416

Mary Lynn Sullivan, MD is an Internal Medicine Physician in Oak Lawn, Illinois. Practices as a sole proprietor. Licensed in Illinois.

Licensed in
IL
In the registry since
2006
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

5660 W 95th St
Oak Lawn, IL 60453-2380
Phone: (708) 499-4190
Fax: (708) 857-4427
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 036077688 (IL)

Record details

NPI number1437168416
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedAugust 7, 2006
Last updated in NPPESJune 21, 2010

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