Claudia Johnson, M.D.
Gastroenterology Physician · Chicago, IL
Claudia Johnson, M.D. is a gastroenterology physician with a practice address in Chicago, Illinois, and NPI 1992805782, issued on Sep 22, 2006. Check the license (Illinois 036057668, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Claudia Johnson
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 036057668 IL
Self-reported in NPPES; status is on the state search - Practice location
- 8507 S Stony Island Ave, Chicago, IL 60617
- Phone
- (773) 978-1400
- Enumerated
- Sep 22, 2006
- Record last updated
- Dec 30, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (773) 978-4389
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 887 in Illinois → Look up another NPI →
Verify Claudia Johnson 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 036057668Check 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 practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Claudia Johnson among 887 gastroenterology physician records in Illinois
Claudia Johnson, M.D. is one of 887 gastroenterology physician records with a practice address in Illinois. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 15% of them.
- NPI issued2006 · 15% of these records are older, 52% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileNo · 72% of these records are
- Record last updated2021 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Illinois
There are 887 gastroenterology physician records in Illinois.
All 887 in Illinois → Every provider in Chicago → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- David Atlas, M.D.Chicago, IL 606171952375636
- David BarchChicago, IL 606181447765888
- Yui Chan, M.D.Chicago, IL 606161679625289
- Calvin Hall, MDChicago, IL 606161992781702
- Sharif Murphy, M.D.Chicago, IL 606161588096556
- Thomas Cullins, M.D.Chicago, IL 606191295765485
- Perry Kamel, MDChicago, IL 606141174522866
- Majd Aboona, MDChicago, IL 606121386347789
Common questions
What is Claudia Johnson, M.D.'s NPI number?
Claudia Johnson, M.D.'s National Provider Identifier (NPI) is 1992805782, issued on Sep 22, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Claudia Johnson, M.D. located?
The NPPES record lists a practice address at 8507 S Stony Island Ave, Chicago, IL, 60617. Phone: (773) 978-1400. Providers update this record themselves, so call before visiting.
How can I verify Claudia Johnson, M.D.'s license?
NPPES lists Illinois license number 036057668, 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 Claudia Johnson, M.D.'s MIPS final score?
The 2023 MIPS final score is 100 of 100, reported for the practice group. 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.