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

Dr. Thaddeus R Cybulski, MD, PHD

Individual provider Internal Medicine Physician · NPI 1841646676

Dr. Thaddeus R Cybulski, MD, PHD is a Pulmonary Disease in Chicago, Illinois. Graduated from Northwestern University Feinberg Medical School in 2019, 7 years ago. Practices with Northwestern Medical Faculty Foundation, a 4,394-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
7
Trained at
Northwestern University Feinberg Medical School
Licensed in
IL
In the registry since
2016
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

675 N Saint Clair St Ste 18-200
Chicago, IL 60611-5929
Phone: (312) 695-8630
Fax: (312) 695-2857
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 251 E Huron St, Chicago, IL 60611-3055 — (312) 926-2000
  • 240 E Huron St, Chicago, IL 60611-2909 — (312) 503-7975

Specialties & licences

Pulmonary Disease Physician (primary) Taxonomy 207RP1001X · Licence 036159529 (IL)
Internal Medicine Physician Taxonomy 207R00000X · Licence 125.073663 (IL)

Record details

NPI number1841646676
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , PHD
Sole proprietorNo
NPI enumeratedMay 11, 2016
Last updated in NPPESAugust 19, 2025
Certification dateAugust 19, 2025

Medicare enrollment

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

Medicare specialtyPULMONARY DISEASE
Also practisesINTERNAL MEDICINE
Medical schoolNORTHWESTERN UNIVERSITY FEINBERG MEDICAL SCHOOL
Graduated 2019 (7 years in practice)
Group practice Northwestern Medical Faculty Foundation — 4394 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations13 on file with Medicare

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