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

Dr. Jason L Peng, MD

Individual provider Critical Care Medicine (Internal Medicine) Physician · NPI 1124481270

Dr. Jason L Peng, MD is a Critical Care (Intensivists) in Chicago, Illinois. Qualified in 2016, 10 years ago. Practices with Northwestern Medical Faculty Foundation, a 4,394-clinician group, works from 3 locations, accepts Medicare assignment and offers telehealth. Licensed in Illinois.

Years since qualifying
10
Licensed in
IL
In the registry since
2016
Specialties on file
4
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

676 N Saint Clair St Ste 7-701
Chicago, IL 60611-2927
Phone: (312) 695-7950
Fax: (312) 926-4771
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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) 503-2849
  • 2160 S 1st Ave, Maywood, IL 60153-3328 — (708) 216-5368

Specialties & licences

Sleep Medicine (Internal Medicine) Physician (primary) Taxonomy 207RS0012X · Licence 036149345 (IL)
Critical Care Medicine (Internal Medicine) Physician Taxonomy 207RC0200X · Licence 036149345 (IL)
Pulmonary Disease Physician Taxonomy 207RP1001X · Licence 036149345 (IL)
Hospitalist Physician Taxonomy 208M00000X · Licence 036149345 (IL)

Record details

NPI number1124481270
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 5, 2016
Last updated in NPPESJune 4, 2025
Certification dateJune 4, 2025

Medicare enrollment

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

Medicare specialtyCRITICAL CARE (INTENSIVISTS)
Also practisesPULMONARY DISEASE, SLEEP MEDICINE
Medical schoolOTHER
Graduated 2016 (10 years in practice)
Group practice Northwestern Medical Faculty Foundation — 4394 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations9 on file with Medicare

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