Julia A. Dyer, M.D., M.P.H.
Gastroenterology Physician · Chicago, IL
Julia A. Dyer, M.D., M.P.H. is a gastroenterology physician with a practice address in Chicago, Illinois, and NPI 1871575654, issued on Nov 16, 2005. Check the license (Illinois 036-054925, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Julia A. Dyer
- Credential
- M.D., M.P.H.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 036-054925 IL
Self-reported in NPPES; status is on the state search - Practice location
- 25 E Washington St, Chicago, IL 60602
- Phone
- (773) 388-1100
- Enumerated
- Nov 16, 2005
- Record last updated
- Feb 5, 2016 (not updated in 10 years: call before relying on the address or phone)
- Medicaid ID
- 036054925 IL
- Medicare enrollment
- Enrolled (PECOS I20040702000248); accepts Medicare assignment
- Medical or professional school
- University Of California, Geffen School Of Medicine, 1976
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 887 in Illinois → Look up another NPI →
Also registered at 25 E Washington St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- David Altman, M.D.Anesthesiology Physician1861661324
- Ida Andarge, LSWClinical Social Worker1548785769
- Hilary Arnow, LPC, LCPCProfessional Counselor1861868283
- Clarence Barnett, D.D.S.Dentist1063810620
- Sanford Barr, D.D.S.General Practice Dentistry1952562787
- Raymond Belmonte, M.D.Anesthesiology Physician1003085564
Verify Julia A. Dyer 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 036-054925Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
84% fewer Medicare Part D claims than the average gastroenterology physician in 2024
129 Medicare Part D claims for 61 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 29% of claims.
Most prescribed
- Famotidine28 claims
- Gavilyte-G21 claims
- Linzess16 claims
- Peg-3350 And Electrolytes16 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 86.3 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).
Industry payments in 2024: $131.12
7 payments; by number, the most common kind was food and beverage; the largest payer was Salix Pharmaceuticals, a division of Bausch Health US, LLC. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
One hospital affiliation
- Thorek Memorial HospitalChicago, IL · Acute Care Hospitals
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov).
Julia A. Dyer among 887 gastroenterology physician records in Illinois
Julia A. Dyer, M.D., M.P.H. 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 85% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated1976 · median 2003 among the 643 with a school on file
- Record last updated2016 · 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
- Parth Thaker, MDChicago, IL 606051467080820
- Muhammed Alikhan, MDChicago, IL 606071518427251
- Christopher Chapman, M.D.Chicago, IL 606071235378043
- Katherine JanikeChicago, IL 606071063041549
- Dzifaa Lotsu, M.D., MPHChicago, IL 606071770739211
- Krishnaswamy Anand, M.D.Chicago, IL 606081720080732
- David Butler, M.D.Chicago, IL 606081083821037
- Benjamin Levy, M.D.Chicago, IL 606081922245737
Common questions
What is Julia A. Dyer, M.D., M.P.H.'s NPI number?
Julia A. Dyer, M.D., M.P.H.'s National Provider Identifier (NPI) is 1871575654, issued on Nov 16, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Julia A. Dyer, M.D., M.P.H. located?
The NPPES record lists a practice address at 25 E Washington St, Chicago, IL, 60602. Phone: (773) 388-1100. Providers update this record themselves, so call before visiting.
How can I verify Julia A. Dyer, M.D., M.P.H.'s license?
NPPES lists Illinois license number 036-054925, 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.
How much does Julia A. Dyer, M.D., M.P.H. prescribe under Medicare Part D?
In 2024, Julia A. Dyer, M.D., M.P.H. had 129 Medicare Part D claims for 61 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is Julia A. Dyer, M.D., M.P.H.'s MIPS final score?
The 2023 MIPS final score is 86.3 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.