Dr. Thomas N. Duffy, DO
- Medicare services, 2024
- 6,646
- Medicare patients, 2024
- 219
- Part D claims, 2024
- 541
- Hospital affiliations
- 1
- Industry payments
- $1,435
- Practice address
- 1500 Lansdowne Ave, Darby, PA 19023
- Practice phone
- Call (215) 237-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Duffy'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. Thomas N. Duffy is an orthopedic surgeon in Darby, Pennsylvania
Dr. Duffy practices at Mercy Fitzgerald Hospital in Darby, Pennsylvania, part of Trinity Health.
Dr. Duffy's NPI, 1447221692, was assigned on January 27, 2006. Dr. Duffy graduated from Rowan University School of Osteopathic Medicine in 1994. Dr. Duffy holds Pennsylvania license OS010330L.
- NPI
- 1447221692NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0244241768
- NPI enumeration date
- January 27, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (215) 237-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 58
- Medical school graduation
- 1994
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Thomas N. Duffy practices at Mercy Fitzgerald Hospital in Darby, Pennsylvania
Dr. Duffy's primary practice is Mercy Fitzgerald Hospital, at 1500 Lansdowne Ave, Darby, PA 19023 in Delaware County. The practice phone is (215) 237-4000.
- Mercy Fitzgerald Hospital1500 Lansdowne Ave, Darby, PA 19023 · Delaware CountyPhone(215) 237-4000
Source: Dmand AI Affiliation Data
Dr. Thomas N. Duffy is affiliated with 3 sites of care and 1 medical group
Dr. Duffy's primary practice is Mercy Fitzgerald Hospital in Darby, Pennsylvania, part of Trinity Health. The medical group on file is Trinity Health Mid-Atlantic Medical Group. Dmand AI also links Dr. Duffy to 1 more group practice or clinic and 1 home health agency, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Thomas N. Duffy's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Duffy practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mercy Fitzgerald Hospital | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Trinity Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Thomas N. Duffy is one of 994 orthopedic surgeons in Pennsylvania
Orthopaedic surgery is Dr. Duffy's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. Duffy is licensed in Pennsylvania.
Specialties and state licenses
- Orthopaedic surgery, PennsylvaniaPrimary
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. Thomas N. Duffy billed Medicare for 6,646 services in 2024
CMS data shows 6,646 Medicare services from Dr. Duffy across 10 procedure codes in 2024, for 219 Medicare patients. Medicare paid $30,871 for them.
Dr. Duffy's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 1262024: 6,2704876%
- Office and hospital visits
- 2023: 3712024: 30418%
- Surgery
- 2023: 852024: 7215%
Where Dr. Duffy's Medicare services took place, 2024
- In an office6,60299%
- In a facility441%
Dr. Duffy compared with the Pennsylvania median for orthopedic surgeons, 2024
- Dr. Duffy
- Pennsylvania median
- Medicare services
- 6,646vs 1,1535.8 times
- Medicare patients
- 219vs 27621% below
- Part D claims
- 474vs 1024.6 times
Medians across 929 orthopedic surgeons in Pennsylvania 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.
Need commercial claims for Dr. Duffy?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Duffy and other orthopedic surgeons in Pennsylvania.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Thomas N. Duffy treated 219 Medicare patients in 2024, average age 71
CMS counts 219 Medicare patients who saw Dr. Duffy in 2024. The largest group is 65 to 74, with 102 patients. 75% of them have arthritis, and 75% have high blood pressure. 50% are also on Medicaid. Their average risk score is 1.77, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Duffy's median patient age at 65, with 65% women.
Dr. Duffy's Medicare patients by age, 2024
Dr. Duffy's Medicare patients by sex, 2024
- Women14868%
- Men7132%
Chronic conditions among Dr. Duffy's Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol74%
- Diabetes44%
- Mood disorders35%
- Ischemic heart disease31%
- Anxiety29%
- Depression29%
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 65
Patient panel by sex, all payers
- Women65%
- Men35%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Thomas N. Duffy wrote 541 Medicare Part D claims in 2024
In 2024, Dr. Duffy wrote 541 Medicare Part D claims for 190 patients. 97% of them were for generic drugs. CMS names the drug for 474 of them, across 13 drugs with 11 or more claims each, at $5,167 in total drug cost. In 2023, CMS named 1,028 claims across 16 drugs.
Dr. Duffy's Part D claims by kind of drug, 2024
- Generic526 claims97%
- Brand-name15 claims3%
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
- Opioids26%143 of 541 claims
- Antibiotics2%11 of 541 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: 1,0282024: 47454%
Drugs named by CMS: 13 in 2024, 16 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. Thomas N. Duffy ranks in the 65th percentile for hip replacement in Medicare
Dr. Duffy accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 19 procedures of hip replacement by Dr. Duffy, more than 65% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Duffy ranks in Medicare procedure volume
- Hip replacement
- 65th percentile19 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)
Removal of tissue: 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)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Thomas N. Duffy received $1,435 in industry payments from 2016 to 2025
CMS Open Payments shows 57 general payments to Dr. Duffy from 14 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 85% of the total. Eclipse Technology Solutions Inc. paid the most, $299.
General payments to Dr. Duffy by program year, 2016 to 2025
General payments to Dr. Duffy by kind, 2016 to 2025
- Food and beverage$1,21385%
- Speaker and faculty fees$22215%
Companies that paid Dr. Duffy the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Thomas N. Duffy graduated from Rowan University School of Osteopathic Medicine
Dr. Duffy graduated from Rowan University School of Osteopathic Medicine in 1994.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Thomas N. Duffy'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy 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) |
| 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. Thomas N. Duffy
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. Thomas N. Duffy's NPI number?
Dr. Thomas N. Duffy's NPI number is 1447221692. It was assigned on January 27, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Thomas N. Duffy?
Dr. Thomas N. Duffy is an orthopedic surgeon in Darby, Pennsylvania. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Dr. Thomas N. Duffy practice?
Dr. Duffy practices at 1500 Lansdowne Ave, Darby, PA 19023. Dr. Duffy's primary practice is Mercy Fitzgerald Hospital in Darby, Pennsylvania, part of Trinity Health. Dmand AI also links Dr. Duffy to 1 group practice or clinic and 1 home health agency.
What is Dr. Thomas N. Duffy's office phone number?
The practice phone on file for Dr. Duffy is (215) 237-4000.
What is Dr. Thomas N. Duffy's medical license number?
Dr. Duffy holds Pennsylvania license OS010330L.
Which hospitals is Dr. Thomas N. Duffy affiliated with?
Dr. Duffy practices at Mercy Fitzgerald Hospital in Darby, Pennsylvania.
What medical group is Dr. Thomas N. Duffy part of?
Dr. Duffy is linked to Trinity Health Mid-Atlantic Medical Group.
Does Dr. Thomas N. Duffy accept Medicare?
Yes. CMS data shows Dr. Duffy billed Medicare for 6,646 services in 2024, and Dr. Duffy accepts Medicare assignment.
How many Medicare patients does Dr. Thomas N. Duffy see?
CMS counts 219 Medicare patients who saw Dr. Duffy in 2024, with an average age of 71.
What services does Dr. Thomas N. 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 surgery: bones and joints (20610).
Show 4 more questionsShow fewer questions
Where did Dr. Thomas N. Duffy go to medical school?
Dr. Duffy graduated from Rowan University School of Osteopathic Medicine in 1994.
What drugs does Dr. Thomas N. Duffy prescribe most?
In 2024 Medicare Part D data, Dr. Duffy's most prescribed drugs by claims were Meloxicam, Oxycodone HCl and Tizanidine HCl.
Has Dr. Thomas N. Duffy received payments from drug or device companies?
CMS Open Payments shows $1,435 in general payments to Dr. Duffy from 14 companies from 2016 to 2025. The largest total came from Eclipse Technology Solutions Inc.
How long has Dr. Thomas N. Duffy been practicing?
Dr. Duffy graduated from medical school in 1994, 32 years ago.
Selling to orthopaedic surgery practices?
See orthopedic surgeons in Pennsylvania by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card