Stephen E. Chester, D.O.
Emergency Medical Services (Emergency Medicine) Physician · Palos Heights, IL
Stephen E. Chester, D.O. is an emergency medical services (emergency medicine) physician with a practice address in Palos Heights, Illinois, and NPI 1093795924, issued on Jan 18, 2006. Check the license (Illinois 036-105420, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Stephen E. Chester
- Credential
- D.O.
- Primary taxonomy
- Emergency Medical Services (Emergency Medicine) Physician 207PE0004X
- License number
- 036-105420 IL
Self-reported in NPPES; status is on the state search - Practice location
- 12251 S 80TH Ave, Palos Heights, IL 60463
- Phone
- (708) 932-5800
- Enumerated
- Jan 18, 2006
- Record last updated
- Nov 20, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicaid ID
- 036105420 IL
- Medicare enrollment
- Enrolled (PECOS I20041130000456); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medical services (emergency medicine) physician records → All 117 in Illinois → Look up another NPI →
Also registered at 12251 S 80TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Tracy Ahmer, PTAPhysical Therapist1982363909
- Anwar Akhras, MDAnesthesiology Physician1942680640
- Ayman Alsharbini, DOCritical Care Medicine (Internal Medicine) Physician1780947077
Verify Stephen E. Chester 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 036-105420Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
12% more Medicare Part D claims than the average emergency medical services (emergency medicine) physician in 2024
327 Medicare Part D claims for 189 beneficiaries, against an average of 292 among the 1,653 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims. 65 claims were for opioids.
Most prescribed
- Ondansetron Odt52 claims
- Tramadol Hcl50 claims
- Cephalexin35 claims
- Ibuprofen28 claims
- Prednisone15 claims
- Amoxicillin-Clavulanate Potass13 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 MIPS final score for 2023 (Medicare payment program): 95 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Integritas Emergency Physician Services LLCMount Vernon, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Stephen E. Chester among 117 emergency medical services (emergency medicine) physician records in Illinois
Stephen E. Chester, D.O. is one of 117 emergency medical services (emergency medicine) physician records with a practice address in Illinois. 53% 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 24% of them.
- NPI issued2006 · 24% of these records are older, 24% newer
- In a Medicare fileYes · 53% of these records are
- In the CMS Doctors and Clinicians fileYes · 37% of these records are
- Graduated1999 · median 1996 among the 42 with a school on file
- Record last updated2007 · 75% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207PE0004X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medical Services (Emergency Medicine) Physician providers in Illinois
There are 117 emergency medical services (emergency medicine) physician records in Illinois.
All 117 in Illinois → Every provider in Palos Heights → Emergency Medical Services (Emergency Medicine) Physician nationwide →
The 8 emergency medical services (emergency medicine) physician records with the nearest ZIP codes
- Ravi Dodda, D.O.Olympia Fields, IL 604611124284724
- Neil Shah, D.O.Olympia Fields, IL 604611093074916
- Mohammad Baig, M.D.Orland Park, IL 604671174506026
- Sean Motzny, M.D.Oak Lawn, IL 604531952467185
- Kimberly Mitchell, MDNew Lenox, IL 604511568425890
- John Williamson, D.O.Morris, IL 604501629017108
- Michael Korpics, MDTinley Park, IL 604871578523007
- Stephen Kalmar, M.D.Bolingbrook, IL 604901346223849
Common questions
What is Stephen E. Chester, D.O.'s NPI number?
Stephen E. Chester, D.O.'s National Provider Identifier (NPI) is 1093795924, issued on Jan 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Stephen E. Chester, D.O. located?
The NPPES record lists a practice address at 12251 S 80TH Ave, Palos Heights, IL, 60463. Phone: (708) 932-5800. Providers update this record themselves, so call before visiting.
How can I verify Stephen E. Chester, D.O.'s license?
NPPES lists Illinois license number 036-105420, 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 Stephen E. Chester, D.O. prescribe under Medicare Part D?
In 2024, Stephen E. Chester, D.O. had 327 Medicare Part D claims for 189 beneficiaries; the average among emergency medical services (emergency medicine) physician prescribers was 292. Part D covers Medicare prescriptions only.
What is Stephen E. Chester, D.O.'s MIPS final score?
The 2023 MIPS final score is 95 of 100. 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.