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

Jose R Castellanos, MD

Individual provider Critical Care Medicine (Internal Medicine) Physician · NPI 1245790377

Jose R Castellanos, MD is a Critical Care (Intensivists) in Chicago, Illinois. Graduated from University of Illinois College of Med (CHI/PEOR/ROCK/Chm-Urb) in 2019, 7 years ago. Practices with Northwestern Medical Faculty Foundation, a 4,394-clinician group, works from 4 locations, accepts Medicare assignment and offers telehealth. Licensed in Illinois.

Years since qualifying
7
Trained at
University of Illinois College of Med (CHI/PEOR/ROCK/Chm-Urb)
Licensed in
IL
In the registry since
2019
Specialties on file
3
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

303 E Superior St Fl 5
Chicago, IL 60611-3015
Phone: (312) 908-8163
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (3)

  • 675 N Saint Clair St Ste 18-250, Chicago, IL 60611-5980 — (312) 695-1800
  • 2831 N Harding Ave, Chicago, IL 60618-7213 — (773) 677-1493
  • 55 Fruit St, Boston, MA 02114-2696 — (617) 726-5820

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 036.160944 (IL)
Critical Care Medicine (Internal Medicine) Physician Taxonomy 207RC0200X · Licence 036160944 (IL)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1245790377
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 24, 2019
Last updated in NPPESMay 22, 2025
Certification dateMay 22, 2025

Medicare enrollment

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

Medicare specialtyCRITICAL CARE (INTENSIVISTS)
Also practisesINTERNAL MEDICINE
Medical schoolUNIVERSITY OF ILLINOIS COLLEGE OF MED (CHI/PEOR/ROCK/CHM-URB)
Graduated 2019 (7 years in practice)
Group practice Northwestern Medical Faculty Foundation — 4394 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations6 on file with Medicare

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