Ruben A. Medrano, MD
Internal Medicine Physician · Monmouth, IL
Ruben A. Medrano, MD is an internal medicine physician with a practice address in Monmouth, Illinois, and NPI 1073509683, issued on Sep 20, 2005. Check the license (Illinois 036095457, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Ruben A. Medrano
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 036095457 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1000 W Harlem Ave, Monmouth, IL 61462
- Phone
- (309) 734-1414
- Enumerated
- Sep 20, 2005
- Record last updated
- Sep 23, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (309) 734-0323
- Medicaid ID
- 371352599001 IL
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,238 in Illinois → Look up another NPI →
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Verify Ruben A. Medrano 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 036095457Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Ruben A. Medrano among 7,238 internal medicine physician records in Illinois
Ruben A. Medrano, MD is one of 7,238 internal medicine physician records with a practice address in Illinois. 73% 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 93% newer
- In a Medicare fileNo · 73% of these records are
- In the CMS Doctors and Clinicians fileNo · 50% of these records are
- Record last updated2014 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
2 internal medicine physician records list a practice address in Monmouth
They are 2 of the 97 NPPES records with a practice address in Monmouth, and 7,238 internal medicine physician records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 7,238 in Illinois → Every provider in Monmouth → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Kheder Basheer, MDMonmouth, IL 614621932624418
- Tuangui Cheng, MDMacomb, IL 614551508841842
- Gloria Cheng, MDMacomb, IL 614551710962048
- David Greathouse, D.O.Macomb, IL 614551720071129
- Heather Harrison, M.D.Macomb, IL 614551497929798
- Aman Khurana, MDMacomb, IL 614551073568259
- David Miller, D.O.Macomb, IL 614551861497612
- David Reem, MDMacomb, IL 614551336124668
Common questions
What is Ruben A. Medrano, MD's NPI number?
Ruben A. Medrano, MD's National Provider Identifier (NPI) is 1073509683, issued on Sep 20, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Ruben A. Medrano, MD located?
The NPPES record lists a practice address at 1000 W Harlem Ave, Monmouth, IL, 61462. Phone: (309) 734-1414. Providers update this record themselves, so call before visiting.
How can I verify Ruben A. Medrano, MD's license?
NPPES lists Illinois license number 036095457, 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. 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.