John Lawrence Duffy, OD
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2007
- Practice address
- 1211 W. Lancaster Avenue, Rosemont, PA 19010
- Practice phone
- Call (610) 525-2580
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Dr. Geoffrey Paterson
Eye care practice · Rosemont, Pennsylvania
Find John 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.
John Lawrence Duffy is an optometrist in Rosemont, Pennsylvania
John Duffy practices at Dr. Geoffrey Paterson in Rosemont, Pennsylvania.
John Duffy's NPI, 1184769713, was assigned on February 21, 2007. John Duffy holds Pennsylvania license OEG001604.
- NPI
- 1184769713NPI Registry (opens in a new tab)
- NPI enumeration date
- February 21, 2007
- NPI status
- Active
- Practice phone
- (610) 525-2580
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
John Lawrence Duffy practices at Dr. Geoffrey Paterson in Rosemont, Pennsylvania
John Duffy's primary practice is Dr. Geoffrey Paterson, at 1211 W. Lancaster Avenue, Rosemont, PA 19010. The practice phone is (610) 525-2580.
- Dr. Geoffrey Paterson1211 W. Lancaster Avenue, Rosemont, PA 19010Phone(610) 525-2580
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
John Lawrence Duffy is affiliated with 1 site of care and 1 medical group
John Duffy's primary practice is Dr. Geoffrey Paterson in Rosemont, Pennsylvania. Dmand AI also links John Duffy to 1 medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at John Lawrence Duffy's practice
Dmand AI tracks the electronic health record (EHR) system at each site where John Duffy practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Geoffrey Paterson | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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John Lawrence Duffy is one of 1,750 optometrists in Pennsylvania
Optometrist is John Duffy's primary specialty in the NPI Registry, under taxonomy code 152W00000X. John Duffy is licensed in Pennsylvania.
Specialties and state licenses
- Optometrist, PennsylvaniaPrimary
Optometrists near John Duffy
Counts of optometrists 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
Sources for John Lawrence 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 DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (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 John Lawrence 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 John Lawrence Duffy's NPI number?
John Lawrence Duffy's NPI number is 1184769713. It was assigned on February 21, 2007, and it is active in the NPI Registry.
What does John Lawrence Duffy specialize in?
John Lawrence Duffy is an optometrist in Rosemont, Pennsylvania. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does John Lawrence Duffy practice?
John Duffy practices at 1211 W. Lancaster Avenue, Rosemont, PA 19010. John Duffy's primary practice is Dr. Geoffrey Paterson in Rosemont, Pennsylvania. Dmand AI also links John Duffy to 1 medical group.
What is John Lawrence Duffy's office phone number?
The practice phone on file for John Duffy is (610) 525-2580.
What is John Lawrence Duffy's medical license number?
John Duffy holds Pennsylvania license OEG001604.
How long has John Lawrence Duffy been practicing?
John Duffy's NPI was assigned in 2007.
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