Ronald Hayes, MD
Anesthesiology Physician · Joliet, IL
Ronald Hayes, MD is an anesthesiology physician with a practice address in Joliet, Illinois, and NPI 1114985504, issued on May 3, 2006. Check the license (Illinois 336-044899, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Ronald Hayes
- Credential
- MD
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- 336-044899 IL
Self-reported in NPPES; status is on the state search - Practice location
- 333 Madison St, Joliet, IL 60435
- Phone
- (815) 725-6331
- Enumerated
- May 3, 2006
- Record last updated
- Aug 4, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (815) 725-4709
- Medicaid ID
- 036082619 IL
- Medicare enrollment
- Enrolled (PECOS I20080416000049); accepts Medicare assignment
- Medical or professional school
- University Of Illinois College Of Med (Chi/Peor/Rock/Chm-Urb), 1988
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 2,575 in Illinois → Look up another NPI →
Also registered at 333 Madison St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Midhun Ajikumar, PA-CPhysician Assistant1437991080
- Janine Andriusis, D.O.Emergency Medicine Physician1356581037
- Kellie BaileyRegistered Dietitian1447699707
- Tamara Baird, FNPFamily Nurse Practitioner1114417391
- Valbona Behaj, M.D.Internal Medicine Physician1407011588
- Christopher Berg, DOEmergency Medicine Physician1003816323
Verify Ronald Hayes 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 336-044899Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average anesthesiology physician in 2024
15 Medicare Part D claims, against an average of 402 among the 4,319 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 77.3 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).
Bills Medicare through 3 group practices
- Anesthesia Dynamics LLCEvansville, IN
- Red Reef Anesthesia IncPort St Lucie, FL
- Redreef Anesthesia Associates Chartered Indiana LLCGary, IN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ronald Hayes among 2,575 anesthesiology physician records in Illinois
Ronald Hayes, MD is one of 2,575 anesthesiology physician records with a practice address in Illinois. 71% 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 6% of them.
- NPI issued2006 · 6% of these records are older, 61% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1988 · median 2006 among the 1,608 with a school on file
- Record last updated2015 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Anesthesiology Physician providers in Illinois
There are 2,575 anesthesiology physician records in Illinois.
All 2,575 in Illinois → Every provider in Joliet → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- Gintautas Ciabilis, MDJoliet, IL 604351831156033
- Sreenivasa Dharmavaram, MDJoliet, IL 604351396703328
- Ching-Chong Huang, MDJoliet, IL 604351932167327
- Steven Jiotis, MDJoliet, IL 604351164470027
- Woo Kim, MDJoliet, IL 604351477511863
- Stanley Knight, MDJoliet, IL 604351548228745
- Mauricio Morales, MDJoliet, IL 604351295793479
- Syung Paik, MDJoliet, IL 604351083671226
Common questions
What is Ronald Hayes, MD's NPI number?
Ronald Hayes, MD's National Provider Identifier (NPI) is 1114985504, issued on May 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ronald Hayes, MD located?
The NPPES record lists a practice address at 333 Madison St, Joliet, IL, 60435. Phone: (815) 725-6331. Providers update this record themselves, so call before visiting.
How can I verify Ronald Hayes, MD's license?
NPPES lists Illinois license number 336-044899, 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 Ronald Hayes, MD prescribe under Medicare Part D?
In 2024, Ronald Hayes, MD had 15 Medicare Part D claims; the average among anesthesiology physician prescribers was 402. Part D covers Medicare prescriptions only.
What is Ronald Hayes, MD's MIPS final score?
The 2023 MIPS final score is 77.3 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.