Christopher Thomas Holbrook, M.D.
Hospitalist Physician · Chicago, IL
Christopher Thomas Holbrook, M.D. is a hospitalist physician with a practice address in Chicago, Illinois, and NPI 1831486281, issued on Jul 6, 2011. Check the license (Illinois 036141735, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Christopher Thomas Holbrook
- Credential
- M.D.
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License numbers
- 036141735 IL
125054037 IL
Self-reported in NPPES; status is on the state search - Practice location
- 676 N Saint Clair St, Chicago, IL 60611
- Phone
- (312) 503-8481
- Enumerated
- Jul 6, 2011
- Record last updated
- Apr 27, 2017 (not updated in 9 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20170302001752); accepts Medicare assignment
- Medical or professional school
- University Of Illinois College Of Med (Chi/Peor/Rock/Chm-Urb), 2007
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 1,535 in Illinois → Look up another NPI →
Also registered at 676 N Saint Clair St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sharon Adam, M.D.Diagnostic Radiology Physician1619361763
- Jessica Altman, MDHematology & Oncology Physician1831391200
- Rama AlzeinStudent in an Organized Health Care Education/Training Program1528904133
- Sarah Anderson, NPNurse Practitioner1043243355
- Michael Angarone, D.O.Infectious Disease Physician1194806190
- Cara Angelotta, MDPsychiatry Physician1194017525
Verify Christopher Thomas Holbrook 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 036141735Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through 2 group practices
- Chicago Physician Services PCChicago, IL
- Prime Healthcare Illinois Medical Group LLCDes Plaines, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Christopher Thomas Holbrook among 1,535 hospitalist physician records in Illinois
Christopher Thomas Holbrook, M.D. is one of 1,535 hospitalist physician records with a practice address in Illinois. 92% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 35% of them.
- NPI issued2011 · 35% of these records are older, 60% newer
- In a Medicare fileYes · 92% of these records are
- In the CMS Doctors and Clinicians fileYes · 87% of these records are
- Graduated2007 · median 2013 among the 1,339 with a school on file
- Record last updated2017 · 32% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hospitalist Physician providers in Illinois
There are 1,535 hospitalist physician records in Illinois.
All 1,535 in Illinois → Every provider in Chicago → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Abby Agulnek, DOChicago, IL 606111689662942
- Jeffrey Barsuk, MDChicago, IL 606111528031333
- Anjali Desai, M.D.Chicago, IL 606111730126004
- Vinnette Forde, MDChicago, IL 606111033174164
- Peter Kallas, M.D.Chicago, IL 606111760425797
- Michael Kornfeld, MDChicago, IL 606111538198833
- Nita Kulkarni, MDChicago, IL 606111790717460
- Matthew Landler, MDChicago, IL 606111740212398
Common questions
What is Christopher Thomas Holbrook, M.D.'s NPI number?
Christopher Thomas Holbrook, M.D.'s National Provider Identifier (NPI) is 1831486281, issued on Jul 6, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Christopher Thomas Holbrook, M.D. located?
The NPPES record lists a practice address at 676 N Saint Clair St, Chicago, IL, 60611. Phone: (312) 503-8481. Providers update this record themselves, so call before visiting.
How can I verify Christopher Thomas Holbrook, M.D.'s license?
NPPES lists Illinois license number 036141735, 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.
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.