John Houser
Internal Medicine Physician · Peoria, IL
John Houser is an internal medicine physician with a practice address in Peoria, Illinois, and NPI 1417038852, issued on Oct 18, 2006. Check the license on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- John Houser
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- Practice location
- 200 E Pennsylvania Ave, Peoria, IL 61603
- Phone
- (309) 655-7990
- Enumerated
- Oct 18, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (309) 655-7953
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,238 in Illinois → Look up another NPI →
Also registered at 200 E Pennsylvania Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Angela Adams, APRNFamily Nurse Practitioner1922687938
- Leena Geetha Adhikesavan, M.DInternal Medicine Physician1689735201
- Kenneth ArnettAllergy Physician1437249760
- Sharon Aycock, PA-CPhysician Assistant1104813997
- James Bauer, M.D.Internal Medicine Physician1912901711
- Stephanie Beckstrom, APNNurse Practitioner1487127734
Verify John Houser 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
99% fewer Medicare Part D claims than the average internal medicine physician in 2024
19 Medicare Part D claims, against an average of 3,176 among the 108,855 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.
John Houser among 7,238 internal medicine physician records in Illinois
John Houser 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. Its NPI, issued in 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 61% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileNo · 50% of these records are
- Record last updated2007 · 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).
173 internal medicine physician records list a practice address in Peoria
They are 173 of the 4,621 NPPES records with a practice address in Peoria, and 7,238 internal medicine physician records in Illinois.
All 7,238 in Illinois → Every provider in Peoria → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Leena Geetha Adhikesavan, M.DPeoria, IL 616031689735201
- James Bauer, M.D.Peoria, IL 616031912901711
- Benito Camacho, MDPeoria, IL 616031477634285
- Malini ChavaliPeoria, IL 616031245311778
- Dennis Crnkovich, M.D.Peoria, IL 616031831164409
- Dean Gravlin, M.D.Peoria, IL 616031053315861
- R GulleyPeoria, IL 616031316028855
- Shaotseng LeePeoria, IL 616031225108855
Common questions
What is John Houser's NPI number?
John Houser's National Provider Identifier (NPI) is 1417038852, issued on Oct 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Houser located?
The NPPES record lists a practice address at 200 E Pennsylvania Ave, Peoria, IL, 61603. Phone: (309) 655-7990. Providers update this record themselves, so call before visiting.
How can I verify John Houser'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.
How much does John Houser prescribe under Medicare Part D?
In 2024, John Houser had 19 Medicare Part D claims; the average among internal medicine physician prescribers was 3,176. 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.