John Rinker, DO
Family Medicine Physician · Pontiac, IL
John Rinker, DO is a family medicine physician with a practice address in Pontiac, Illinois, and NPI 1255449393, issued on Aug 28, 2006. Check the license (Illinois 036074643, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- John Rinker
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- 036074643 IL
02002903A IN
Self-reported in NPPES; status is on the state search - Practice location
- 1515 W Reynolds St, Pontiac, IL 61764
- Phone
- (815) 842-3381
- Enumerated
- Aug 28, 2006
- Record last updated
- Oct 26, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (815) 842-2861
- Medicaid ID
- 036074643 IL
- Medicare enrollment
- Enrolled (PECOS I20031107000498); accepts Medicare assignment
- Medical or professional school
- Midwestern University, Chicago College Of Osteopathic Med, 1985
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 6,215 in Illinois → Look up another NPI →
Verify John Rinker 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 036074643Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.0 times the Medicare Part D claims of the average family medicine physician in 2024
7,157 Medicare Part D claims for 386 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 241 claims were for opioids.
Most prescribed
- Atorvastatin Calcium384 claims
- Levothyroxine Sodium339 claims
- Amlodipine Besylate312 claims
- Metoprolol Succinate223 claims
- Lisinopril198 claims
- Metformin Hcl195 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.
John Rinker among 6,215 family medicine physician records in Illinois
John Rinker, DO is one of 6,215 family medicine physician records with a practice address in Illinois. 78% 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 9% of them.
- NPI issued2006 · 9% of these records are older, 59% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1985 · median 2006 among the 3,714 with a school on file
- Record last updated2011 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
13 family medicine physician records list a practice address in Pontiac
They are 13 of the 266 NPPES records with a practice address in Pontiac, and 6,215 family medicine physician records in Illinois.
All 6,215 in Illinois → Every provider in Pontiac → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Angelito FernandezPontiac, IL 617641700966116
- Robert Heins, DOPontiac, IL 617641891899886
- Kenneth Jordan, DOPontiac, IL 617641710081708
- Hematheja Lanka, DOPontiac, IL 617641750801619
- Dawn LemmertPontiac, IL 617641891888145
- Gregorio Manabat, M.D.Pontiac, IL 617641306840087
- Taylor Miles, MDPontiac, IL 617641043665987
- Calvin Moy, MDPontiac, IL 617641154558732
Common questions
What is John Rinker, DO's NPI number?
John Rinker, DO's National Provider Identifier (NPI) is 1255449393, issued on Aug 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Rinker, DO located?
The NPPES record lists a practice address at 1515 W Reynolds St, Pontiac, IL, 61764. Phone: (815) 842-3381. Providers update this record themselves, so call before visiting.
How can I verify John Rinker, DO's license?
NPPES lists Illinois license number 036074643, 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 John Rinker, DO prescribe under Medicare Part D?
In 2024, John Rinker, DO had 7,157 Medicare Part D claims for 386 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.