William F. Duff, RPAC
- Part D claims, 2024
- 154
- Hospital affiliations
- 2
- Industry payments
- $62
- Medical groups
- 2
- State license
- 1
- Practice address
- 1555 Long Pond Rd, Rochester, NY 14626
- Practice phone
- Call (585) 368-3002
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Unity Hospital - Unit
Acute Care Hospital-Unit · Rochester, New York
Find William Duff'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.
William F. Duff is a physician assistant in Rochester, New York
William Duff practices at Unity Hospital - Unit in Rochester, New York.
William Duff's NPI, 1780603456, was assigned on July 19, 2006. William Duff holds Arizona license 7868.
- NPI
- 1780603456NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4981651601
- NPI enumeration date
- July 19, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (585) 368-3002
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 57
- Medical school graduation
- 1995
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
William F. Duff practices at Unity Hospital - Unit in Rochester, New York
William Duff's primary practice is Unity Hospital - Unit, at 1555 Long Pond Rd, Rochester, NY 14626 in Monroe County. The practice phone is (585) 368-3002.
- Unity Hospital - Unit1555 Long Pond Rd, Rochester, NY 14626 · Monroe CountyPhone(585) 368-3002
Source: Dmand AI Affiliation Data
William F. Duff is affiliated with 3 sites of care and 2 medical groups
William Duff's primary practice is Unity Hospital - Unit in Rochester, New York. William Duff is also affiliated with Dignity Health, Yavapai Regional Medical Center West. The medical group on file is Signify Health. Dmand AI also links William Duff to 1 more group practice or clinic and 1 medical group, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at William F. Duff's practice
Dmand AI tracks the electronic health record (EHR) system at each site where William Duff practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Unity Hospital - Unit | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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William F. Duff is one of 2,670 physician assistants in New York
Medical is William Duff's primary specialty in the NPI Registry, under taxonomy code 363AM0700X. William Duff is licensed in Arizona.
Specialties and state licenses
- Medical physician assistant, ArizonaPrimary
Physician assistants near William Duff
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
William F. Duff's patients have a median age of 77
Across all payers, Dmand AI patient panel data puts William Duff's median patient age at 77, with 52% women.
William Duff's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 77
Patient panel by sex, all payers
- Women52%
- Men48%
Source: Dmand AI Patient Panel Data
William F. Duff wrote 154 Medicare Part D claims in 2024
In 2024, William Duff wrote 154 Medicare Part D claims for 94 patients. 92% of them were for generic drugs.
William Duff's Part D claims by kind of drug, 2024
- Generic142 claims92%
- Brand-name12 claims8%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
William F. Duff offers telehealth to Medicare patients
William Duff accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists William Duff as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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William F. Duff received $62 in industry payments in 2025
CMS Open Payments shows 3 general payments to William Duff from 3 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Viatris Specialty LLC paid the most, $26.
Companies that paid William Duff 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 William F. Duff'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 Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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 William F. Duff
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is William F. Duff's NPI number?
William F. Duff's NPI number is 1780603456. It was assigned on July 19, 2006, and it is active in the NPI Registry.
What does William F. Duff specialize in?
William F. Duff is a physician assistant in Rochester, New York. The primary specialty in the NPI Registry is Medical Physician Assistant (taxonomy code 363AM0700X).
Where does William F. Duff practice?
William Duff practices at 1555 Long Pond Rd, Rochester, NY 14626. William Duff's primary practice is Unity Hospital - Unit in Rochester, New York. Dmand AI also links William Duff to 1 group practice or clinic and 1 medical group.
What is William F. Duff's office phone number?
The practice phone on file for William Duff is (585) 368-3002.
What is William F. Duff's medical license number?
William Duff holds Arizona license 7868.
Which hospitals is William F. Duff affiliated with?
William Duff is affiliated with Dignity Health, Yavapai Regional Medical Center West. Dmand AI links William Duff to 1 more hospital.
What medical group is William F. Duff part of?
William Duff is linked to Signify Health. Dmand AI links William Duff to 1 more medical group.
Does William F. Duff accept Medicare?
Yes. CMS lists William Duff as accepting Medicare assignment.
Does William F. Duff offer telehealth?
Yes. The CMS Doctors and Clinicians file lists William Duff as offering telehealth services.
Has William F. Duff received payments from drug or device companies?
CMS Open Payments shows $62 in general payments to William Duff from 3 companies from 2025 to 2025. The largest total came from Viatris Specialty LLC.
How long has William F. Duff been practicing?
William Duff graduated from medical school in 1995, 31 years ago.
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