John Joseph Leonard Jr., DMD
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2015
- Practice address
- 1601 Walnut St, Philadelphia, PA 19102-2944
- Practice phone
- Call (215) 567-0521
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Dr Leonard And Associates
Dental practice · Philadelphia, Pennsylvania
Find John Leonard'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 Joseph Leonard Jr. is a general practice dentistry in Philadelphia, Pennsylvania
John Leonard practices at Dr Leonard And Associates in Philadelphia, Pennsylvania.
John Leonard's NPI, 1689044539, was assigned on October 5, 2015. John Leonard holds Pennsylvania license DS017538L.
- NPI
- 1689044539NPI Registry (opens in a new tab)
- NPI enumeration date
- October 5, 2015
- NPI status
- Active
- Practice phone
- (215) 567-0521
- 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 Joseph Leonard Jr. practices at Dr Leonard and Associates in Philadelphia, Pennsylvania
John Leonard's primary practice is Dr Leonard and Associates, at 1601 Walnut St, Philadelphia, PA 19102-2944. The practice phone is (215) 567-0521.
- Dr Leonard and Associates1601 Walnut St, Philadelphia, PA 19102-2944Phone(215) 567-0521
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
John Joseph Leonard Jr. is affiliated with 1 site of care and 1 medical group
John Leonard's primary practice is Dr Leonard And Associates in Philadelphia, Pennsylvania. Dmand AI also links John Leonard 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 Joseph Leonard Jr.'s practice
Dmand AI tracks the electronic health record (EHR) system at each site where John Leonard practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr Leonard And Associates | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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John Joseph Leonard Jr. is one of 1,895 general practice dentistrys in Pennsylvania
General practice is John Leonard's primary specialty in the NPI Registry, under taxonomy code 1223G0001X. John Leonard is licensed in Pennsylvania.
Specialties and state licenses
- General practice dentistry, PennsylvaniaPrimary
General practice dentistrys near John Leonard
Counts of general practice dentistrys 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 Joseph Leonard Jr.'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 Joseph Leonard Jr.
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 Joseph Leonard Jr.'s NPI number?
John Joseph Leonard Jr.'s NPI number is 1689044539. It was assigned on October 5, 2015, and it is active in the NPI Registry.
What does John Joseph Leonard Jr. specialize in?
John Joseph Leonard Jr. is a general practice dentistry in Philadelphia, Pennsylvania. The primary specialty in the NPI Registry is General Practice Dentistry (taxonomy code 1223G0001X).
Where does John Joseph Leonard Jr. practice?
John Leonard practices at 1601 Walnut St, Philadelphia, PA 19102-2944. John Leonard's primary practice is Dr Leonard And Associates in Philadelphia, Pennsylvania. Dmand AI also links John Leonard to 1 medical group.
What is John Joseph Leonard Jr.'s office phone number?
The practice phone on file for John Leonard is (215) 567-0521.
What is John Joseph Leonard Jr.'s medical license number?
John Leonard holds Pennsylvania license DS017538L.
How long has John Joseph Leonard Jr. been practicing?
John Leonard's NPI was assigned in 2015.
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