Dr. Ryan Killian Duffy, MD
- Medicare services, 2024
- 2,517
- Medicare patients, 2024
- 257
- Part D claims, 2024
- 82
- MIPS score, 2024
- 75
- Hospital affiliations
- 2
- Practice address
- 264 Pleasant St, Concord, NH 03301
- Practice phone
- Call (603) 228-7211
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Concord Orthopaedics - Surgery Center Concord
Concord, New Hampshire
Find Dr. Duffy's professional email, personal email and mobile number
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Dr. Ryan Killian Duffy is an orthopedic surgeon in Concord, New Hampshire
Dr. Duffy practices at Concord Orthopaedics - Surgery Center Concord in Concord, New Hampshire.
Dr. Duffy's NPI, 1225200215, was assigned on March 30, 2008. Dr. Duffy holds New Hampshire license 18315.
- NPI
- 1225200215NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6002058310
- NPI enumeration date
- March 30, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (603) 228-7211
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 44
- Medical school graduation
- 2008
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ryan Killian Duffy practices at Concord Orthopaedics - Surgery Center Concord in Concord, New Hampshire
Dr. Duffy's primary practice is Concord Orthopaedics - Surgery Center Concord, at 264 Pleasant St, Concord, NH 03301 in Merrimack County. The practice phone is (603) 228-7211.
- Concord Orthopaedics - Surgery Center Concord264 Pleasant St, Concord, NH 03301 · Merrimack CountyPhone(603) 228-7211
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Ryan Killian Duffy is affiliated with 7 sites of care and 5 medical groups
Dr. Duffy's primary practice is Concord Orthopaedics - Surgery Center Concord in Concord, New Hampshire. Dr. Duffy is also affiliated with Concord Hospital. The medical group on file is Northeast Orthopaedic Alliance. Dmand AI also links Dr. Duffy to 1 more hospital, 4 medical groups, 3 group practices and clinics and 1 home health agency, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Ryan Killian Duffy's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Duffy practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Concord Orthopaedics - Surgery Center Concord | Available with a free account |
| +6 more sites and 4 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Ryan Killian Duffy is one of 151 orthopedic surgeons in New Hampshire
Orthopaedic surgery is Dr. Duffy's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. Duffy is licensed in New Hampshire.
Specialties and state licenses
- Orthopaedic surgery, New HampshirePrimary
Orthopedic surgeons near Dr. Duffy
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. Ryan Killian Duffy billed Medicare for 2,517 services in 2024
CMS data shows 2,517 Medicare services from Dr. Duffy across 17 procedure codes in 2024, for 257 Medicare patients. Medicare paid $61,549 for them.
Dr. Duffy's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 452024: 1,6903656%
- Office and hospital visits
- 2023: 4042024: 4399%
- Imaging
- 2023: 3702024: 3408%
- Surgery
- 2023: 522024: 488%
- Other services
- 2023: 142024: 0100%
Where Dr. Duffy's Medicare services took place, 2024
- In an office2,48499%
- In a facility331%
Dr. Duffy compared with the New Hampshire median for orthopedic surgeons, 2024
- Dr. Duffy
- New Hampshire median
- Medicare services
- 2,517vs 5774.4 times
- Medicare patients
- 257vs 256Close to median
- Part D claims
- 28vs 6959% below
Medians across 154 orthopedic surgeons in New Hampshire with Dmand AI profiles that report each measure.
Dr. Duffy'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Ryan Killian Duffy treated 257 Medicare patients in 2024, average age 77
CMS counts 257 Medicare patients who saw Dr. Duffy in 2024. The largest group is 75 to 84, with 100 patients. 68% of them have high blood pressure, and 67% have high cholesterol. 12% are also on Medicaid. Their average risk score is 1.27, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Duffy's median patient age at 64, with 59% women.
Dr. Duffy's Medicare patients by age, 2024
Dr. Duffy's Medicare patients by sex, 2024
- Women17769%
- Men8031%
Chronic conditions among Dr. Duffy's Medicare patients, 2024
- High blood pressure68%
- High cholesterol67%
- Arthritis55%
- Mood disorders34%
- Osteoporosis32%
- Depression31%
- Anxiety29%
- Diabetes23%
Share of Medicare patients with each condition. A patient can have several.
Dr. Duffy's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women59%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Ryan Killian Duffy wrote 82 Medicare Part D claims in 2024
In 2024, Dr. Duffy wrote 82 Medicare Part D claims for 47 patients. 96% of them were for generic drugs. CMS names the drug for 28 of them, across 2 drugs with 11 or more claims each, at $172 in total drug cost. In 2023, CMS named 26 claims across 2 drugs.
Dr. Duffy's Part D claims by kind of drug, 2024
- Generic79 claims96%
- Brand-name and other3 claims4%
Dr. Duffy'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. Duffy's Part D claims, 2024
- Opioids22%18 of 82 claims
- Antibiotics18%15 of 82 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: 262024: 288%
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. Ryan Killian Duffy scored 75 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 75 out of 100 for Dr. Duffy for performance year 2024, reported as part of a group. Dr. Duffy accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
- MIPS final score, 2024
- 75 of 100
Hip replacement: 1 to 10 procedures (CMS shows small counts as a range)
Knee replacement: 1 to 10 procedures (CMS shows small counts as a range)
Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Ryan Killian Duffy received $674 in industry payments from 2018 to 2025
CMS Open Payments shows 15 general payments to Dr. Duffy from 8 drug and device companies from 2018 to 2025. Food and beverage make up the largest share, 100% of the total. Smith & Nephew, Inc. paid the most, $198.
General payments to Dr. Duffy by program year, 2018 to 2025
Companies that paid Dr. Duffy the most, 2018 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Ryan Killian Duffy's profile data
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FAQ
Frequently asked questions about Dr. Ryan Killian Duffy
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What is Dr. Ryan Killian Duffy's NPI number?
Dr. Ryan Killian Duffy's NPI number is 1225200215. It was assigned on March 30, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Ryan Killian Duffy?
Dr. Ryan Killian Duffy is an orthopedic surgeon in Concord, New Hampshire. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Dr. Ryan Killian Duffy practice?
Dr. Duffy practices at 264 Pleasant St, Concord, NH 03301. Dr. Duffy's primary practice is Concord Orthopaedics - Surgery Center Concord in Concord, New Hampshire. Dmand AI also links Dr. Duffy to 1 hospital, 4 medical groups, 3 group practices and clinics and 1 home health agency.
What is Dr. Ryan Killian Duffy's office phone number?
The practice phone on file for Dr. Duffy is (603) 228-7211.
What is Dr. Ryan Killian Duffy's medical license number?
Dr. Duffy holds New Hampshire license 18315.
Which hospitals is Dr. Ryan Killian Duffy affiliated with?
Dr. Duffy is affiliated with Concord Hospital. Dmand AI links Dr. Duffy to 1 more hospital.
What medical group is Dr. Ryan Killian Duffy part of?
Dr. Duffy is linked to Northeast Orthopaedic Alliance. Dmand AI links Dr. Duffy to 4 more medical groups.
Does Dr. Ryan Killian Duffy accept Medicare?
Yes. CMS data shows Dr. Duffy billed Medicare for 2,517 services in 2024, and Dr. Duffy accepts Medicare assignment.
What is Dr. Ryan Killian Duffy's MIPS score?
Dr. Duffy's MIPS final score for performance year 2024 is 75 out of 100, reported as part of a group.
How many Medicare patients does Dr. Ryan Killian Duffy see?
CMS counts 257 Medicare patients who saw Dr. Duffy in 2024, with an average age of 77.
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What services does Dr. Ryan Killian Duffy bill to Medicare?
In 2024, Dr. Duffy's most billed Medicare services were injected or infused drug (J1010), office visit, established patient (99213) and diagnostic imaging (73030).
What drugs does Dr. Ryan Killian Duffy prescribe most?
In 2024 Medicare Part D data, Dr. Duffy's most prescribed drugs by claims were Gabapentin and Oxycodone HCl.
Has Dr. Ryan Killian Duffy received payments from drug or device companies?
CMS Open Payments shows $674 in general payments to Dr. Duffy from 8 companies from 2018 to 2025. The largest total came from Smith & Nephew, Inc.
How long has Dr. Ryan Killian Duffy been practicing?
Dr. Duffy graduated from medical school in 2008, 18 years ago.
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