John Hefferon, M.D.
Orthopaedic Surgery Physician · Chicago, IL
John Hefferon, M.D. is an orthopaedic surgery physician with a practice address in Chicago, Illinois, and NPI 1982677480, issued on Feb 7, 2006. Check the license (Illinois 036059012, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- John Hefferon
- Credential
- M.D.
- Primary taxonomy
- Orthopaedic Surgery Physician 207X00000X
- License number
- 036059012 IL
Self-reported in NPPES; status is on the state search - Practice location
- 680 N Lake Shore Dr, Chicago, IL 60611
- Phone
- (312) 943-7850
- Enumerated
- Feb 7, 2006
- Record last updated
- Jan 9, 2015 (not updated in 11 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20100526000745); accepts Medicare assignment
- Medical or professional school
- Northwestern University Feinberg Medical School, 1972
- Entity
- Type 1 · individual
8 nearest orthopaedic surgery physician records → All 995 in Illinois → Look up another NPI →
Also registered at 680 N Lake Shore Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Mohamed Afifi, MDCritical Care Medicine (Anesthesiology) Physician1922098524
- Erin Agins, M.D.Obstetrics & Gynecology Physician1407118383
- Abby Agulnek, DOHospitalist Physician1689662942
Verify John Hefferon 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 036059012Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
34% fewer Medicare Part D claims than the average orthopaedic surgery physician in 2024
229 Medicare Part D claims for 130 beneficiaries, against an average of 346 among the 16,516 providers of this specialty who prescribed in Part D. 36 claims were for opioids.
Most prescribed
- Diclofenac Sodium92 claims
- Celecoxib34 claims
- Methylprednisolone29 claims
- Hydrocodone-Acetaminophen27 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): 94.1 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
- Northwestern Medical Faculty FoundationChicago, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Hefferon among 995 orthopaedic surgery physician records in Illinois
John Hefferon, M.D. is one of 995 orthopaedic surgery physician records with a practice address in Illinois. 77% 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 14% of them.
- NPI issued2006 · 14% of these records are older, 49% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 56% of these records are
- Graduated1972 · median 2001 among the 556 with a school on file
- Record last updated2015 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207X00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Orthopaedic Surgery Physician providers in Illinois
There are 995 orthopaedic surgery physician records in Illinois.
All 995 in Illinois → Every provider in Chicago → Orthopaedic Surgery Physician nationwide →
The 8 orthopaedic surgery physician records with the nearest ZIP codes
- Proctor Anderson, M.D.Chicago, IL 606111144292681
- John Grayhack, MDChicago, IL 606111043205966
- Stephen Gryzlo, MDChicago, IL 606111588690911
- Anish Kadakia, MDChicago, IL 606111467495994
- Armen Kelikian, MDChicago, IL 606111790737757
- Erik King, MDChicago, IL 606111245226893
- Laura Lemke, M.D.Chicago, IL 606111396716080
- Guido Marra, MDChicago, IL 606111023082328
Common questions
What is John Hefferon, M.D.'s NPI number?
John Hefferon, M.D.'s National Provider Identifier (NPI) is 1982677480, issued on Feb 7, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Hefferon, M.D. located?
The NPPES record lists a practice address at 680 N Lake Shore Dr, Chicago, IL, 60611. Phone: (312) 943-7850. Providers update this record themselves, so call before visiting.
How can I verify John Hefferon, M.D.'s license?
NPPES lists Illinois license number 036059012, 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 Hefferon, M.D. prescribe under Medicare Part D?
In 2024, John Hefferon, M.D. had 229 Medicare Part D claims for 130 beneficiaries; the average among orthopaedic surgery physician prescribers was 346. Part D covers Medicare prescriptions only.
What is John Hefferon, M.D.'s MIPS final score?
The 2023 MIPS final score is 94.1 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.