John William Leyman, DDS
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2006
- Practice locations
- 2
- Practice address
- 11092 Anderson Street, Loma Linda, CA 92350
- Practice phone
- Call (909) 558-4611
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Koppel Special Care Dentistry Center
Surgery Center - Medicare-Certified · Loma Linda, California
Find John Leyman'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 William Leyman is a dentist anesthesiologist in Long Beach, California
John Leyman practices at Koppel Special Care Dentistry Center in Loma Linda, California.
John Leyman's NPI, 1134297088, was assigned on November 30, 2006. John Leyman holds California license 27643.
- NPI
- 1134297088NPI Registry (opens in a new tab)
- NPI enumeration date
- November 30, 2006
- NPI status
- Active
- Practice phone
- (909) 558-4611
- 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 William Leyman practices in Loma Linda and Long Beach
John Leyman's primary practice is Koppel Special Care Dentistry Center, at 11092 Anderson Street, Loma Linda, CA 92350. The practice phone is (909) 558-4611. The NPI Registry lists John Leyman's practice address as 191 Pomona Ave, Long Beach, CA 90803.
- Koppel Special Care Dentistry CenterPrimary11092 Anderson Street, Loma Linda, CA 92350Phone(909) 558-4611
- NPI Registry address191 Pomona Ave, Long Beach, CA 90803Phone(562) 682-2726
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
John William Leyman is affiliated with 1 site of care and 1 medical group
John Leyman's primary practice is Koppel Special Care Dentistry Center in Loma Linda, California. Dmand AI also links John Leyman to 1 medical group, named with a free account.
Sources: Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at John William Leyman's practice
Dmand AI tracks the electronic health record (EHR) system at each site where John Leyman practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Koppel Special Care Dentistry Center | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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John William Leyman is one of 30 dentist anesthesiologists in California
Dentist anesthesiologist is John Leyman's primary specialty in the NPI Registry, under taxonomy code 1223D0004X. The record also lists dental anesthesiology. John Leyman is licensed in California.
Specialties and state licenses
- Dentist anesthesiologist, CaliforniaPrimary
Dentist anesthesiologists near John Leyman
Counts of dentist anesthesiologists 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 William Leyman'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 Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Org Hierarchy 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 John William Leyman
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 William Leyman's NPI number?
John William Leyman's NPI number is 1134297088. It was assigned on November 30, 2006, and it is active in the NPI Registry.
What does John William Leyman specialize in?
John William Leyman is a dentist anesthesiologist in Long Beach, California. The primary specialty in the NPI Registry is Dentist Anesthesiologist (taxonomy code 1223D0004X).
Where does John William Leyman practice?
John Leyman practices at 11092 Anderson Street, Loma Linda, CA 92350. John Leyman also practices at 191 Pomona Ave, Long Beach, CA 90803. John Leyman's primary practice is Koppel Special Care Dentistry Center in Loma Linda, California. Dmand AI also links John Leyman to 1 medical group.
What is John William Leyman's office phone number?
The practice phone on file for John Leyman is (909) 558-4611.
What is John William Leyman's medical license number?
John Leyman holds California license 27643.
How long has John William Leyman been practicing?
John Leyman's NPI was assigned in 2006.
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