Cynthia H. Mastbrook, D.O.
Anesthesiology Physician · Palos Heights, IL
Cynthia H. Mastbrook, D.O. is an anesthesiology physician with a practice address in Palos Heights, Illinois, and NPI 1881746311, issued on Jan 17, 2007. Check the license (Illinois 036-088690, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Cynthia H. Mastbrook
- Credential
- D.O.
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- 036-088690 IL
Self-reported in NPPES; status is on the state search - Practice location
- 12251 S 80TH Ave, Palos Heights, IL 60463
- Phone
- (708) 923-3936
- Enumerated
- Jan 17, 2007
- Record last updated
- Aug 23, 2022
- Fax
- (708) 923-8848
- Medicare enrollment
- Enrolled (PECOS I20051227000290); accepts Medicare assignment
- Medical or professional school
- Midwestern University, Chicago College Of Osteopathic Med, 1991
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 2,575 in Illinois → Look up another NPI →
Also registered at 12251 S 80TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Dario Aguilar, MDHospitalist Physician1306341995
- Anam Ahmed, M.D.Hospitalist Physician1598152704
- Tracy Ahmer, PTAPhysical Therapist1982363909
- Anwar Akhras, MDAnesthesiology Physician1942680640
- Ayman Alsharbini, DOCritical Care Medicine (Internal Medicine) Physician1780947077
Verify Cynthia H. Mastbrook in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036-088690Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The MIPS final score for 2023 (Medicare payment program): 94.1 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Northwestern Medical Faculty FoundationPalos Heights, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Cynthia H. Mastbrook among 2,575 anesthesiology physician records in Illinois
Cynthia H. Mastbrook, D.O. is one of 2,575 anesthesiology physician records with a practice address in Illinois. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 39% of them.
- NPI issued2007 · 39% of these records are older, 53% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1991 · median 2006 among the 1,608 with a school on file
- Record last updated2022 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
23 anesthesiology physician records list a practice address in Palos Heights
They are 23 of the 992 NPPES records with a practice address in Palos Heights, and 2,575 anesthesiology physician records in Illinois.
All 2,575 in Illinois → Every provider in Palos Heights → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- Michael Bautista, M.D.Palos Heights, IL 604631033189659
- David Bendell, M.D.Palos Heights, IL 604631477523561
- David Bird, D.O.Palos Heights, IL 604631285608042
- Stephen Hennenfent, M.D.Palos Heights, IL 604631518937614
- Jerry Kim, M.D.Palos Heights, IL 604631164492708
- Roger Lee, M.D.Palos Heights, IL 604631659341204
- James Mohan, M.D.Palos Heights, IL 604631942270939
- David Ozinga, M.D.Palos Heights, IL 604631700856705
Common questions
What is Cynthia H. Mastbrook, D.O.'s NPI number?
Cynthia H. Mastbrook, D.O.'s National Provider Identifier (NPI) is 1881746311, issued on Jan 17, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Cynthia H. Mastbrook, D.O. located?
The NPPES record lists a practice address at 12251 S 80TH Ave, Palos Heights, IL, 60463. Phone: (708) 923-3936. Providers update this record themselves, so call before visiting.
How can I verify Cynthia H. Mastbrook, D.O.'s license?
NPPES lists Illinois license number 036-088690, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
What is Cynthia H. Mastbrook, D.O.'s MIPS final score?
The 2023 MIPS final score is 94.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.