J Bone Joint Surg Am
Ankle InjuriesDisability EvaluationFractures, Bone
Dr. Gregory Hampton Dairyko Jr., MD
NPI1134385677PAC ID5193878585
- Medicare services, 2024
- 4,896
- Medicare patients, 2024
- 356
- Part D claims, 2024
- 71
- Publications
- 1
- Hospital affiliations
- 1
- Practice address
- 430-54 Pennsylvania Ave, Glen Ellyn, IL 60137
- Practice phone
- Call (630) 469-9200
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Duly Health and Care
Glen Ellyn, Illinois
Find Dr. Dairyko's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Gregory Hampton Dairyko Jr. is an orthopedic surgeon in Glen Ellyn, Illinois
Dr. Dairyko practices at Duly Health and Care in Glen Ellyn, Illinois.
Dr. Dairyko's NPI, 1134385677, was assigned on August 4, 2008. Dr. Dairyko graduated from Northwestern University Feinberg Medical School in 2004. Dr. Dairyko holds Illinois license 125047439.
NPI and contact details
- NPI
- 1134385677NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5193878585
- NPI enumeration date
- August 4, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (630) 469-9200
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 48
- Medical school graduation
- 2004
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gregory Hampton Dairyko Jr. practices at Duly Health and Care in Glen Ellyn, Illinois
Dr. Dairyko's primary practice is Duly Health and Care, at 430-54 Pennsylvania Ave, Glen Ellyn, IL 60137 in Dupage County. The practice phone is (630) 469-9200.
- Duly Health and Care430-54 Pennsylvania Ave, Glen Ellyn, IL 60137 · Dupage CountyPhone(630) 469-9200
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Gregory Hampton Dairyko Jr. is affiliated with 5 sites of care and 1 medical group
Dr. Dairyko's primary practice is Duly Health and Care in Glen Ellyn, Illinois. Dr. Dairyko is also affiliated with Elmhurst Hospital. The medical group on file is DuPage Medical Group. Dmand AI also links Dr. Dairyko to 1 more group practice or clinic, 1 home health agency and 1 therapy and rehab clinic, each named with a free account. Dr. Dairyko's employer is on file too: a physical therapy & rehab clinic.
Duly Health and CarePrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Gregory Hampton Dairyko Jr.'s practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Dairyko practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Duly Health and Care | Available with a free account |
| +4 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gregory Hampton Dairyko Jr. is one of 849 orthopedic surgeons in Illinois
Orthopaedic surgery is Dr. Dairyko's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dmand AI has Dr. Dairyko's licenses on file in 2 states: Illinois and Ohio.
Specialties and state licenses
- Orthopaedic surgery, IllinoisPrimary
- Ohio license
Orthopedic surgeons near Dr. Dairyko
Counts of orthopedic surgeons with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Gregory Hampton Dairyko Jr. billed Medicare for 4,896 services in 2024
CMS data shows 4,896 Medicare services from Dr. Dairyko across 16 procedure codes in 2024, for 356 Medicare patients. Medicare paid $89,298 for them. Every service was in an office.
Medicare services, 20244,896
Medicare patients356
Paid by Medicare$89,298
Procedure codes16
Dr. Dairyko's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 3,0522024: 3,74423%
- Office and hospital visits
- 2023: 5302024: 5143%
- Imaging
- 2023: 3682024: 3485%
- Surgery
- 2023: 2462024: 27110%
- Lab and pathology
- 2023: 182024: 196%
Dr. Dairyko compared with the Illinois median for orthopedic surgeons, 2024
- Dr. Dairyko
- Illinois median
- Medicare services
- 4,896vs 1,2503.9 times
- Medicare patients
- 356vs 29620% above
- Part D claims
- 37vs 12069% below
Medians across 741 orthopedic surgeons in Illinois with Dmand AI profiles that report each measure.
Dr. Dairyko's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Dairyko and other orthopedic surgeons in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gregory Hampton Dairyko Jr. treated 356 Medicare patients in 2024, average age 74
CMS counts 356 Medicare patients who saw Dr. Dairyko in 2024. The largest group is 65 to 74, with 191 patients. 75% of them have high cholesterol, and 73% have high blood pressure. 8% are also on Medicaid. Their average risk score is 1.01, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Dairyko's median patient age at 60, with 55% women.
Medicare patients, 2024356
Average age74
Average risk score1.01
Also on Medicaid8%
Dr. Dairyko's Medicare patients by age, 2024
Dr. Dairyko's Medicare patients by sex, 2024
- Women21159%
- Men14541%
Chronic conditions among Dr. Dairyko's Medicare patients, 2024
- High cholesterol75%
- High blood pressure73%
- Arthritis70%
- Diabetes28%
- Ischemic heart disease25%
- Chronic kidney disease21%
- Atrial fibrillation18%
- Mood disorders18%
Share of Medicare patients with each condition. A patient can have several.
Dr. Dairyko's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 60
Patient panel by sex, all payers
- Women55%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gregory Hampton Dairyko Jr. wrote 71 Medicare Part D claims in 2024
In 2024, Dr. Dairyko wrote 71 Medicare Part D claims for 52 patients. 99% of them were for generic drugs. CMS names the drug for 37 of them, across 2 drugs with 11 or more claims each, at $251 in total drug cost. In 2023, CMS named 34 claims across 2 drugs.
Part D claims, 202471
Drugs named by CMS2
Total drug cost$251
Part D patients52
Dr. Dairyko's Part D claims by kind of drug, 2024
- Generic70 claims99%
- Brand-name and other1 claims1%
Dr. Dairyko's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Dairyko's Part D claims, 2024
- Opioids52%37 of 71 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 342024: 379%
Drugs named by CMS: 2 in 2024, 2 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Gregory Hampton Dairyko Jr. ranks in the 63rd percentile for upper limb (arm) arthroscopy (minimally invasive joint repair) in Medicare
Dr. Dairyko accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 20 procedures of upper limb (arm) arthroscopy (minimally invasive joint repair) by Dr. Dairyko, more than 63% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Dairyko ranks in Medicare procedure volume
- Upper limb (arm) arthroscopy (minimally invasive joint repair)
- 63rd percentile20 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Knee replacement: 1 to 10 procedures (CMS shows small counts as a range)
Lower limb (leg) arthroscopy (minimally invasive joint repair): 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Gregory Hampton Dairyko Jr. has 1 publication on record
Dmand AI links 1 paper to Dr. Dairyko. Dr. Dairyko's most frequent co-authors are Kirstina Marie Olson, MD and Brian Christopher Toolan, MD.
Papers1
Dr. Dairyko's most frequent co-authors
Recent publications by Dr. Dairyko
See who Dr. Dairyko researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Dairyko works with, so you can find a warm path to the right orthopedic surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Gregory Hampton Dairyko Jr. received $280 in industry payments from 2016 to 2024
CMS Open Payments shows 4 general payments to Dr. Dairyko from 3 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. Zimmer Biomet Holdings, Inc. paid the most, $144.
General payments to Dr. Dairyko by program year, 2016 to 2024
Companies that paid Dr. Dairyko the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Gregory Hampton Dairyko Jr. graduated from Northwestern University Feinberg Medical School
Dr. Dairyko graduated from Northwestern University Feinberg Medical School in 2004.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Gregory Hampton Dairyko Jr.'s profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Gregory Hampton Dairyko Jr.
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Gregory Hampton Dairyko Jr.'s NPI number?
Dr. Gregory Hampton Dairyko Jr.'s NPI number is 1134385677. It was assigned on August 4, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Gregory Hampton Dairyko Jr.?
Dr. Gregory Hampton Dairyko Jr. is an orthopedic surgeon in Glen Ellyn, Illinois. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Dr. Gregory Hampton Dairyko Jr. practice?
Dr. Dairyko practices at 430-54 Pennsylvania Ave, Glen Ellyn, IL 60137. Dr. Dairyko's primary practice is Duly Health and Care in Glen Ellyn, Illinois. Dmand AI also links Dr. Dairyko to 1 group practice or clinic, 1 home health agency and 1 therapy and rehab clinic.
What is Dr. Gregory Hampton Dairyko Jr.'s office phone number?
The practice phone on file for Dr. Dairyko is (630) 469-9200.
What is Dr. Gregory Hampton Dairyko Jr.'s medical license number?
Dr. Dairyko holds Illinois license 125047439, one of the licenses on file in 2 states.
Which states has Dr. Gregory Hampton Dairyko Jr. been licensed in?
Dmand AI has state licenses on file for Dr. Dairyko in Illinois and Ohio.
Which hospitals is Dr. Gregory Hampton Dairyko Jr. affiliated with?
Dr. Dairyko is affiliated with Elmhurst Hospital.
What medical group is Dr. Gregory Hampton Dairyko Jr. part of?
Dr. Dairyko is linked to DuPage Medical Group.
Does Dr. Gregory Hampton Dairyko Jr. accept Medicare?
Yes. CMS data shows Dr. Dairyko billed Medicare for 4,896 services in 2024, and Dr. Dairyko accepts Medicare assignment.
How many Medicare patients does Dr. Gregory Hampton Dairyko Jr. see?
CMS counts 356 Medicare patients who saw Dr. Dairyko in 2024, with an average age of 74.
Show 7 more questionsShow fewer questions
What services does Dr. Gregory Hampton Dairyko Jr. bill to Medicare?
In 2024, Dr. Dairyko's most billed Medicare services were injected or infused drug (J7318), injected or infused drug (J3301) and office visit, established patient (99214).
Where did Dr. Gregory Hampton Dairyko Jr. go to medical school?
Dr. Dairyko graduated from Northwestern University Feinberg Medical School in 2004.
What drugs does Dr. Gregory Hampton Dairyko Jr. prescribe most?
In 2024 Medicare Part D data, Dr. Dairyko's most prescribed drugs by claims were Hydrocodone-Acetaminophen and Methylprednisolone.
Has Dr. Gregory Hampton Dairyko Jr. received payments from drug or device companies?
CMS Open Payments shows $280 in general payments to Dr. Dairyko from 3 companies from 2016 to 2024. The largest total came from Zimmer Biomet Holdings, Inc.
How long has Dr. Gregory Hampton Dairyko Jr. been practicing?
Dr. Dairyko graduated from medical school in 2004, 22 years ago.
Does Dr. Gregory Hampton Dairyko Jr. do research?
Dmand AI links 1 publication to Dr. Dairyko.
Who does Dr. Gregory Hampton Dairyko Jr. publish with?
Dr. Dairyko's most frequent co-authors are Kirstina Marie Olson, MD (1 shared paper) and Brian Christopher Toolan, MD (1 shared paper).
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