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

Dr. Cynthia H. Mastbrook, DO

Individual provider Anesthesiology Physician · NPI 1881746311

Dr. Cynthia H. Mastbrook, DO is an Anesthesiology in Palos Heights, Illinois. Graduated from Midwestern University, Chicago College of Osteopathic Med in 1991, 35 years ago. Practices with Northwestern Medical Faculty Foundation, a 4,394-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
35
Trained at
Midwestern University, Chicago College of Osteopathic Med
Licensed in
IL
In the registry since
2007
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

12251 S 80th Ave
Palos Heights, IL 60463-1290
Phone: (708) 923-3936
Fax: (708) 923-8848
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 2211 N. Oak Park Avenue, Chicago, IL 60707-3392 — (773) 385-5877

Specialties & licences

Anesthesiology Physician (primary) Taxonomy 207L00000X · Licence 036-088690 (IL)

Record details

NPI number1881746311
Entity typeIndividual (Type 1)
GenderFemale
Credentials DO
Sole proprietorNo
NPI enumeratedJanuary 17, 2007
Last updated in NPPESAugust 23, 2022
Certification dateAugust 23, 2022

Medicare enrollment

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

Medicare specialtyANESTHESIOLOGY
Medical schoolMIDWESTERN UNIVERSITY, CHICAGO COLLEGE OF OSTEOPATHIC MED
Graduated 1991 (35 years in practice)
Group practice Northwestern Medical Faculty Foundation — 4394 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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