Anjana Rajan, MD
Gastroenterology Physician · Chicago, IL
Anjana Rajan, MD is a gastroenterology physician with a practice address in Chicago, Illinois, and NPI 1033851381, issued on Apr 8, 2022. Check the license (Illinois 125080786, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Anjana Rajan
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 125080786 IL
Self-reported in NPPES; status is on the state search - Practice location
- 251 E Huron St, Chicago, IL 60611
- Phone
- (312) 926-2000
- Enumerated
- Apr 8, 2022
- Record last updated
- Jul 12, 2026
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 887 in Illinois → Look up another NPI →
Also registered at 251 E Huron St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Anjana Rajan 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 125080786Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average gastroenterology physician in 2024
82 Medicare Part D claims for 29 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.
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.
Anjana Rajan among 887 gastroenterology physician records in Illinois
Anjana Rajan, MD 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 2022, is newer than 96% of them.
- NPI issued2022 · 96% of these records are older, 2% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileNo · 72% of these records are
- Record last updated2026 · 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
- Greg Cohen, M.D.Chicago, IL 606111669447348
- Maria Ferreira, MDChicago, IL 606111194755421
- Robin Fintel, M.D.Chicago, IL 606111023083250
- Steven Flamm, MDChicago, IL 606111912937244
- Melvin Goldstein, M.D.Chicago, IL 606111376531400
- Nirmala Gonsalves, MDChicago, IL 606111326038712
- Richard Green, MDChicago, IL 606111770511404
- Joseph Karacic, MDChicago, IL 606111992798417
Common questions
What is Anjana Rajan, MD's NPI number?
Anjana Rajan, MD's National Provider Identifier (NPI) is 1033851381, issued on Apr 8, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Anjana Rajan, MD located?
The NPPES record lists a practice address at 251 E Huron St, Chicago, IL, 60611. Phone: (312) 926-2000. Providers update this record themselves, so call before visiting.
How can I verify Anjana Rajan, MD's license?
NPPES lists Illinois license number 125080786, 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 Anjana Rajan, MD prescribe under Medicare Part D?
In 2024, Anjana Rajan, MD had 82 Medicare Part D claims for 29 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
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.