Christopher John Leja, DMD
- Part D claims, 2024
- 302
- Hospital affiliations
- 2
- Industry payments
- $15
- Medical group
- 1
- State license
- 1
- Practice address
- 44405 Woodward Ave, Pontiac, MI 48341
- Practice phone
- Call (248) 858-3000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Christopher Leja'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.
Christopher John Leja is a periodontist in Pontiac, Michigan
Christopher Leja practices at Trinity Health Oakland Hospital in Pontiac, Michigan, part of Trinity Health.
Christopher Leja's NPI, 1316266000, was assigned on May 20, 2010. Christopher Leja holds Michigan license 2901020877.
- NPI
- 1316266000NPI Registry (opens in a new tab)
- NPI enumeration date
- May 20, 2010
- NPI status
- Active
- Practice phone
- (248) 858-3000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Christopher John Leja practices at Trinity Health Oakland Hospital in Pontiac, Michigan
Christopher Leja's primary practice is Trinity Health Oakland Hospital, at 44405 Woodward Ave, Pontiac, MI 48341 in Oakland County. The practice phone is (248) 858-3000.
- Trinity Health Oakland Hospital44405 Woodward Ave, Pontiac, MI 48341 · Oakland CountyPhone(248) 858-3000
Source: Dmand AI Affiliation Data
Christopher John Leja is affiliated with 3 sites of care and 1 medical group
Christopher Leja's primary practice is Trinity Health Oakland Hospital in Pontiac, Michigan, part of Trinity Health. Dmand AI also links Christopher Leja to 1 hospital, 1 group practice or clinic and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Christopher John Leja's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Christopher Leja practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Trinity Health Oakland Hospital | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Trinity Health and 6.2K+ hospitals, with verified contacts in the same login.
Christopher John Leja is one of 71 periodontists in Michigan
Periodontics is Christopher Leja's primary specialty in the NPI Registry, under taxonomy code 1223P0300X. Christopher Leja is licensed in Michigan.
Specialties and state licenses
- Periodontist, MichiganPrimary
Periodontists near Christopher Leja
Counts of periodontists 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
Christopher John Leja's patients have a median age of 62
Across all payers, Dmand AI patient panel data puts Christopher Leja's median patient age at 62, with 71% women.
Christopher Leja's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women71%
- Men29%
Source: Dmand AI Patient Panel Data
Christopher John Leja wrote 302 Medicare Part D claims in 2024
In 2024, Christopher Leja wrote 302 Medicare Part D claims for 137 patients. 100% of them were for generic drugs.
Drug classes CMS tracks in Christopher Leja's Part D claims, 2024
- Antibiotics44%133 of 302 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
For MedTech and pharma teams
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Christopher John Leja received $15 in industry payments in 2025
CMS Open Payments shows 1 general payment to Christopher Leja from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Dentsply Sirona Inc paid the most, $15.
Companies that paid Christopher Leja 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 Christopher John Leja'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 DataDmand AI Org Hierarchy 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) |
| 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 Christopher John Leja
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Christopher John Leja's NPI number?
Christopher John Leja's NPI number is 1316266000. It was assigned on May 20, 2010, and it is active in the NPI Registry.
What does Christopher John Leja specialize in?
Christopher John Leja is a periodontist in Pontiac, Michigan. The primary specialty in the NPI Registry is Periodontist (taxonomy code 1223P0300X).
Where does Christopher John Leja practice?
Christopher Leja practices at 44405 Woodward Ave, Pontiac, MI 48341. Christopher Leja's primary practice is Trinity Health Oakland Hospital in Pontiac, Michigan, part of Trinity Health. Dmand AI also links Christopher Leja to 1 hospital, 1 group practice or clinic and 1 medical group.
What is Christopher John Leja's office phone number?
The practice phone on file for Christopher Leja is (248) 858-3000.
What is Christopher John Leja's medical license number?
Christopher Leja holds Michigan license 2901020877.
Which hospitals is Christopher John Leja affiliated with?
Christopher Leja practices at Trinity Health Oakland Hospital in Pontiac, Michigan. Dmand AI links Christopher Leja to 1 more hospital.
Has Christopher John Leja received payments from drug or device companies?
CMS Open Payments shows $15 in general payments to Christopher Leja from 1 company from 2025 to 2025. The largest total came from Dentsply Sirona Inc.
How long has Christopher John Leja been practicing?
Christopher Leja's NPI was assigned in 2010.
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