Rajeev Dewan, M.D.
Geriatric Medicine (Internal Medicine) Physician · O Fallon, IL
Rajeev Dewan, M.D. is a geriatric medicine (internal medicine) physician with a practice address in O Fallon, Illinois, and NPI 1699806638, issued on Mar 9, 2007. Check the license on the Illinois Department of Financial and Professional Regulation; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Rajeev Dewan
- Credential
- M.D.
- Primary taxonomy
- Geriatric Medicine (Internal Medicine) Physician 207RG0300X
- License number
- 2004025502 MO
Self-reported in NPPES; status is on the state search - Practice location
- 1206 Hamlin CT, O Fallon, IL 62269
- Phone
- (618) 624-0220
- Enumerated
- Mar 9, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest geriatric medicine (internal medicine) physician records → All 179 in Illinois → Look up another NPI →
Verify Rajeev Dewan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional RegulationCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Rajeev Dewan among 179 geriatric medicine (internal medicine) physician records in Illinois
Rajeev Dewan, M.D. is one of 179 geriatric medicine (internal medicine) 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 not. Its NPI, issued in 2007, is newer than 60% of them.
- NPI issued2007 · 60% of these records are older, 25% newer
- In a Medicare fileNo · 71% of these records are
- In the CMS Doctors and Clinicians fileNo · 42% of these records are
- Record last updated2007 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0300X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Geriatric Medicine (Internal Medicine) Physician providers in Illinois
There are 179 geriatric medicine (internal medicine) physician records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 179 in Illinois → Every provider in O Fallon → Geriatric Medicine (Internal Medicine) Physician nationwide →
The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes
- Amy Rohlfing, MDRed Bud, IL 622781255335188
- David Pfohl, MD, FACP, GAQBelleville, IL 622231093822116
- Stephen Hipskind, MD, PHDBelleville, IL 622211346432465
- Lizzette Colon-Ramos, M.D.Effingham, IL 624011114922101
- Hima Atluri, MDDecatur, IL 625261609866052
- Gaurang Patel, MDDecatur, IL 625261871584946
- Kimberley Armour, APRN FPA, AGPCNP-CAuburn, IL 626151609553007
- Eli Goodman, MDJacksonville, IL 626501053405589
Common questions
What is Rajeev Dewan, M.D.'s NPI number?
Rajeev Dewan, M.D.'s National Provider Identifier (NPI) is 1699806638, issued on Mar 9, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Rajeev Dewan, M.D. located?
The NPPES record lists a practice address at 1206 Hamlin CT, O Fallon, IL, 62269. Phone: (618) 624-0220. Providers update this record themselves, so call before visiting.
How can I verify Rajeev Dewan, M.D.'s license?
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. 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.