Mark Hamming
Orthopaedic Surgery Physician · Gurnee, IL
Mark Hamming is an orthopaedic surgery physician with a practice address in Gurnee, Illinois, and NPI 1861653453, issued on Jun 17, 2008. Check the license (Illinois 036-136089, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Mark Hamming
- Primary taxonomy
- Orthopaedic Surgery Physician 207X00000X
- License number
- 036-136089 IL
Self-reported in NPPES; status is on the state search - Practice location
- 350 S Greenleaf St, Gurnee, IL 60031
- Phone
- (847) 336-3335
- Enumerated
- Jun 17, 2008
- Record last updated
- Aug 14, 2014 (not updated in 12 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20140919000513); accepts Medicare assignment
- Medical or professional school
- Rush Medical College Of Rush University, 2008
- Entity
- Type 1 · individual
8 nearest orthopaedic surgery physician records → All 995 in Illinois → Look up another NPI →
Also registered at 350 S Greenleaf St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Elina Abugov, OTOccupational Therapist1467702159
- Miriam BondPhysical Therapy Assistant1053855031
- Gregory Condon, PTPhysical Therapist1093074239
- Christina Conrad, PTAPhysical Therapy Assistant1922212372
- Henry DetersPhysical Therapist1457762445
- Robert Dugan, MDOrthopaedic Surgery Physician1659324085
Verify Mark Hamming 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 036-136089Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
26% fewer Medicare Part D claims than the average orthopaedic surgery physician in 2024
256 Medicare Part D claims for 154 beneficiaries, against an average of 346 among the 16,516 providers of this specialty who prescribed in Part D. 54 claims were for opioids.
Most prescribed
- Meloxicam99 claims
- Amoxicillin41 claims
- Oxycodone Hcl26 claims
- Celecoxib21 claims
- Hydrocodone-Acetaminophen15 claims
- Tramadol Hcl12 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): 72.7 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).
Industry payments in 2024: $131.70
2 payments; by number, the most common kind was food and beverage; the largest payer was Miach Orthopaedics, Inc. The 15,003 providers of this specialty with any payment received $23,022.89 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Illinois Bone And Joint Institute, LLCBannockburn, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark Hamming among 995 orthopaedic surgery physician records in Illinois
Mark Hamming 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 2008, is newer than 57% of them.
- NPI issued2008 · 57% of these records are older, 38% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 56% of these records are
- Graduated2008 · median 2001 among the 556 with a school on file
- Record last updated2014 · 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).
10 orthopaedic surgery physician records list a practice address in Gurnee
They are 10 of the 846 NPPES records with a practice address in Gurnee, and 995 orthopaedic surgery physician records in Illinois.
All 995 in Illinois → Every provider in Gurnee → Orthopaedic Surgery Physician nationwide →
The 8 orthopaedic surgery physician records with the nearest ZIP codes
- Roger Collins, MDGurnee, IL 600311073504973
- Robert Dugan, MDGurnee, IL 600311659324085
- Gerard Goshgarian, M.D.Gurnee, IL 600311013001908
- Bruce Hamming, MDGurnee, IL 600311649219304
- David Hamming, MDGurnee, IL 600311609068386
- Edward Logue, MDGurnee, IL 600311396797270
- John Mayer, MDGurnee, IL 600311194716985
- Theodore Schoenfeldt, MDGurnee, IL 600311366946881
Common questions
What is Mark Hamming's NPI number?
Mark Hamming's National Provider Identifier (NPI) is 1861653453, issued on Jun 17, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Mark Hamming located?
The NPPES record lists a practice address at 350 S Greenleaf St, Gurnee, IL, 60031. Phone: (847) 336-3335. Providers update this record themselves, so call before visiting.
How can I verify Mark Hamming's license?
NPPES lists Illinois license number 036-136089, 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 Mark Hamming prescribe under Medicare Part D?
In 2024, Mark Hamming had 256 Medicare Part D claims for 154 beneficiaries; the average among orthopaedic surgery physician prescribers was 346. Part D covers Medicare prescriptions only.
What is Mark Hamming's MIPS final score?
The 2023 MIPS final score is 72.7 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.