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

Marek Krysztofiak

Individual provider Internal Medicine Physician · NPI 1174774426

Marek Krysztofiak is an Internal Medicine in Chicago, Illinois. Qualified in 2002, 24 years ago. Practices with Hospital Medicine Services of Fl, LLC, a 503-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
24
Licensed in
IL
In the registry since
2008
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Practice location Address checks out

2525 S Michigan Ave Mercy Hospital/department Of Internal Medicine
Chicago, IL 60616-2333
Phone: (312) 567-2000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 125.045416 (IL)

Record details

NPI number1174774426
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorYes
NPI enumeratedOctober 6, 2008
Last updated in NPPESOctober 6, 2008
Mailing address920 W Madison St, Unit D8, Chicago, IL 60607-2718

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2002 (24 years in practice)
Group practice Hospital Medicine Services Of Fl, Llc — 503 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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