Alexander Christian Duffy, PA-C
- Medicare patients, 2024
- 200
- Part D claims, 2024
- 3,518
- Hospital affiliations
- 2
- Industry payments
- $1,322
- Medical group
- 1
- Practice address
- 7 Dock Hill Rd, Middleburg, PA 17842
- Practice phone
- Call (570) 837-2123
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Family Practice Center
Middleburg, Pennsylvania
Find Alexander 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.
Alexander Christian Duffy is a physician assistant in Middleburg, Pennsylvania
Alexander Duffy practices at Family Practice Center in Middleburg, Pennsylvania.
Alexander Duffy's NPI, 1053774257, was assigned on April 4, 2016. Alexander Duffy holds Pennsylvania license OA003819.
- NPI
- 1053774257NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9032405865
- NPI enumeration date
- April 4, 2016
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (570) 837-2123
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 36
- Medical school graduation
- 2016
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Alexander Christian Duffy practices at Family Practice Center in Middleburg, Pennsylvania
Alexander Duffy's primary practice is Family Practice Center, at 7 Dock Hill Rd, Middleburg, PA 17842 in Snyder County. The practice phone is (570) 837-2123.
- Family Practice Center7 Dock Hill Rd, Middleburg, PA 17842 · Snyder CountyPhone(570) 837-2123
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Alexander Christian Duffy is affiliated with 5 sites of care and 1 medical group
Alexander Duffy's primary practice is Family Practice Center in Middleburg, Pennsylvania. Alexander Duffy is also affiliated with UPMC Harrisburg. The medical group on file is Family Practice Center, P.C. Dmand AI also links Alexander Duffy to 1 more hospital, 1 group practice or clinic 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 Alexander Christian Duffy's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Alexander Duffy practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Family Practice Center | Available with a free account |
| +4 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Alexander Christian Duffy is one of 6,491 physician assistants in Pennsylvania
Physician assistant is Alexander Duffy's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Alexander Duffy is licensed in Pennsylvania.
Specialties and state licenses
- Physician assistant, PennsylvaniaPrimary
Physician assistants near Alexander Duffy
Counts of physician assistants 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
Alexander Christian Duffy treated 200 Medicare patients in 2024, average age 74
CMS counts 200 Medicare patients who saw Alexander Duffy in 2024. The largest group is 65 to 74, with 115 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.19, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Alexander Duffy's median patient age at 57, with 40% women.
Alexander Duffy's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Alexander Duffy's Medicare patients by sex, 2024
- Women8141%
- Men11960%
Chronic conditions among Alexander Duffy's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis38%
- Chronic kidney disease38%
- Ischemic heart disease32%
- Diabetes31%
- Mood disorders28%
- Depression25%
Share of Medicare patients with each condition. A patient can have several.
Alexander 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 57
Patient panel by sex, all payers
- Women40%
- Men59%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Alexander Christian Duffy wrote 3,518 Medicare Part D claims in 2024
In 2024, Alexander Duffy wrote 3,518 Medicare Part D claims for 408 patients. 85% of them were for generic drugs.
Alexander Duffy's Part D claims by kind of drug, 2024
- Generic3,002 claims85%
- Brand-name493 claims14%
- Other23 claims1%
Drug classes CMS tracks in Alexander Duffy's Part D claims, 2024
- Antibiotics6%202 of 3,518 claims
- Antipsychotics, patients 65 and over0%13 of 3,518 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Alexander Christian Duffy offers telehealth to Medicare patients
Alexander Duffy accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Alexander Duffy as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
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Alexander Christian Duffy received $1,322 in industry payments in 2025
CMS Open Payments shows 68 general payments to Alexander Duffy from 21 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $266.
Companies that paid Alexander Duffy the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Alexander Christian 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 | 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 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 (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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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 Alexander Christian 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 Alexander Christian Duffy's NPI number?
Alexander Christian Duffy's NPI number is 1053774257. It was assigned on April 4, 2016, and it is active in the NPI Registry.
What does Alexander Christian Duffy specialize in?
Alexander Christian Duffy is a physician assistant in Middleburg, Pennsylvania. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Alexander Christian Duffy practice?
Alexander Duffy practices at 7 Dock Hill Rd, Middleburg, PA 17842. Alexander Duffy's primary practice is Family Practice Center in Middleburg, Pennsylvania. Dmand AI also links Alexander Duffy to 1 hospital, 1 group practice or clinic and 1 home health agency.
What is Alexander Christian Duffy's office phone number?
The practice phone on file for Alexander Duffy is (570) 837-2123.
What is Alexander Christian Duffy's medical license number?
Alexander Duffy holds Pennsylvania license OA003819, one of 2 state licenses on file.
Which hospitals is Alexander Christian Duffy affiliated with?
Alexander Duffy is affiliated with UPMC Harrisburg. Dmand AI links Alexander Duffy to 1 more hospital.
What medical group is Alexander Christian Duffy part of?
Alexander Duffy is linked to Family Practice Center, P.C.
Does Alexander Christian Duffy accept Medicare?
Yes. CMS lists Alexander Duffy as accepting Medicare assignment.
Does Alexander Christian Duffy offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Alexander Duffy as offering telehealth services.
How many Medicare patients does Alexander Christian Duffy see?
CMS counts 200 Medicare patients who saw Alexander Duffy in 2024, with an average age of 74.
Has Alexander Christian Duffy received payments from drug or device companies?
CMS Open Payments shows $1,322 in general payments to Alexander Duffy from 21 companies from 2025 to 2025. The largest total came from Abbvie Inc.
How long has Alexander Christian Duffy been practicing?
Alexander Duffy graduated from medical school in 2016, 10 years ago.
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