Javier Muniz, D.O.
Internal Medicine Physician · Herrin, IL
Javier Muniz, D.O. is an internal medicine physician with a practice address in Herrin, Illinois, and NPI 1548263668, issued on May 23, 2005. Check the license (Illinois 036097846, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Javier Muniz
- Credential
- D.O.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 036097846 IL
Self-reported in NPPES; status is on the state search - Practice location
- 315 S 13TH St, Herrin, IL 62948
- Phone
- (618) 942-5883
- Enumerated
- May 23, 2005
- Record last updated
- Jul 11, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (618) 942-5921
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,238 in Illinois → Look up another NPI →
Verify Javier Muniz 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 036097846Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average internal medicine physician in 2024
182 Medicare Part D claims for 72 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Lisinopril13 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): 75.7 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).
Javier Muniz among 7,238 internal medicine physician records in Illinois
Javier Muniz, D.O. 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 93% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileNo · 50% of these records are
- Record last updated2012 · 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).
Internal Medicine Physician providers in Illinois
There are 7,238 internal medicine physician records in Illinois.
All 7,238 in Illinois → Every provider in Herrin → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Pramote Anantachai, MDHerrin, IL 629481841344876
- Shannon Rider, MDHerrin, IL 629481508846429
- Gowda Sharath, MDHerrin, IL 629481043466576
- Charles Seten, MDHarrisburg, IL 629461801876719
- Michael York, MDHarrisburg, IL 629461730169640
- Khalid Javed, M.D.Johnston City, IL 629511174529663
- Kevin Chen, MDMarion, IL 629591740291780
- Joseph Herman, MDMarion, IL 629591225066186
Common questions
What is Javier Muniz, D.O.'s NPI number?
Javier Muniz, D.O.'s National Provider Identifier (NPI) is 1548263668, issued on May 23, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Javier Muniz, D.O. located?
The NPPES record lists a practice address at 315 S 13TH St, Herrin, IL, 62948. Phone: (618) 942-5883. Providers update this record themselves, so call before visiting.
How can I verify Javier Muniz, D.O.'s license?
NPPES lists Illinois license number 036097846, 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 Javier Muniz, D.O. prescribe under Medicare Part D?
In 2024, Javier Muniz, D.O. had 182 Medicare Part D claims for 72 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Javier Muniz, D.O.'s MIPS final score?
The 2023 MIPS final score is 75.7 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.