Gregory Hampton Dairyko, MD
Orthopaedic Surgery Physician · Westmont, IL
Gregory Hampton Dairyko, MD is an orthopaedic surgery physician with a practice address in Westmont, Illinois, and NPI 1134385677, issued on Aug 4, 2008. Check the license (Illinois 125047439, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Gregory Hampton Dairyko
- Credential
- MD
- Primary taxonomy
- Orthopaedic Surgery Physician 207X00000X
- License numbers
- 125047439 IL
036125154 IL
35.092590 OH
Self-reported in NPPES; status is on the state search - Practice location
- 303 W Ogden Ave FL 2, Westmont, IL 60559
- Phone
- (630) 790-1872
- Enumerated
- Aug 4, 2008
- Record last updated
- Aug 4, 2023
- Fax
- (630) 968-3762
- Medicaid ID
- 036125154 IL
- Medicare enrollment
- Enrolled (PECOS I20100927000838); accepts Medicare assignment
- Medical or professional school
- Northwestern University Feinberg Medical School, 2004
- Entity
- Type 1 · individual
8 nearest orthopaedic surgery physician records → All 995 in Illinois → Look up another NPI →
Also registered at 303 W Ogden Ave FL 2
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Bridgette Gearman, PA-CSurgical Physician Assistant1407690217
- Chris Huang, M.D.Orthopaedic Surgery Physician1013110519
- Jennifer Johnson, PAPhysician Assistant1235126962
- James Lucia, OTOccupational Therapist1073213351
- Kristen Satala, DPTPhysical Therapist1760111736
- Jeeten Singha, DPMFoot Surgery Podiatrist1881005692
Verify Gregory Hampton Dairyko 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 125047439Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
79% fewer Medicare Part D claims than the average orthopaedic surgery physician in 2024
71 Medicare Part D claims for 52 beneficiaries, against an average of 346 among the 16,516 providers of this specialty who prescribed in Part D. 37 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen25 claims
- Methylprednisolone12 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.
Industry payments in 2024: $22.80
1 payment: food and beverage; the largest payer was Orthofix Medical, 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
- Dupage Medical Group LtdSchaumburg, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gregory Hampton Dairyko among 995 orthopaedic surgery physician records in Illinois
Gregory Hampton Dairyko, MD 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
- Graduated2004 · median 2001 among the 556 with a school on file
- Record last updated2023 · 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 Westmont → Orthopaedic Surgery Physician nationwide →
The 8 orthopaedic surgery physician records with the nearest ZIP codes
- Steven Chudik, M.D.Westmont, IL 605591215029210
- Chris Huang, M.D.Westmont, IL 605591013110519
- Justin LareauWestmont, IL 605591992915805
- Vijay Thangamani, M.D.Westmont, IL 605591376709204
- Ashraf Darwish, MDWestern Springs, IL 605581962603258
- Thomas Ehmke, D.O.Western Springs, IL 605581861703233
- Edward Marcoski, MDWestern Springs, IL 605581235296930
- Robert Matlock, M.D.Yorkville, IL 605601538195995
Common questions
What is Gregory Hampton Dairyko, MD's NPI number?
Gregory Hampton Dairyko, MD's National Provider Identifier (NPI) is 1134385677, issued on Aug 4, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Hampton Dairyko, MD located?
The NPPES record lists a practice address at 303 W Ogden Ave FL 2, Westmont, IL, 60559. Phone: (630) 790-1872. Providers update this record themselves, so call before visiting.
How can I verify Gregory Hampton Dairyko, MD's license?
NPPES lists Illinois license number 125047439, 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 Gregory Hampton Dairyko, MD prescribe under Medicare Part D?
In 2024, Gregory Hampton Dairyko, MD had 71 Medicare Part D claims for 52 beneficiaries; the average among orthopaedic surgery physician prescribers was 346. 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.