Dr. Leo C. Jeng, MD
- Part D claims, 2018
- 70
- Industry payments
- $53
- Affiliated sites
- 1
- Medical group
- 1
- Insurance carriers
- 2
- Practice address
- 9961 Sierra Ave, Fontana, CA 92335
- Practice phone
- Call (909) 427-3910
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Fontana Medical Center
Fontana, California
Find Dr. Jeng'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.
Dr. Leo C. Jeng is a pediatrician in Fontana, California
Dr. Jeng practices at Fontana Medical Center in Fontana, California.
Dr. Jeng's NPI, 1154344893, was assigned on July 25, 2006. Dr. Jeng graduated from New York Medical College in 2000. Dr. Jeng's California license number on file is A77742.
- NPI
- 1154344893NPI Registry (opens in a new tab)
- NPI enumeration date
- July 25, 2006
- NPI status
- Active
- Practice phone
- (909) 427-3910
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 2000
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Leo C. Jeng practices at Fontana Medical Center in Fontana, California
Dr. Jeng's primary practice is Fontana Medical Center, at 9961 Sierra Ave, Fontana, CA 92335 in San Bernardino County. The practice phone is (909) 427-3910.
- Fontana Medical Center9961 Sierra Ave, Fontana, CA 92335 · San Bernardino CountyPhone(909) 427-3910
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Leo C. Jeng is affiliated with 2 sites of care and 1 medical group
Dr. Jeng's primary practice is Fontana Medical Center in Fontana, California. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links Dr. Jeng to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Leo C. Jeng's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Jeng practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Fontana Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Leo C. Jeng is one of 8,236 pediatricians in California
Pediatrics is Dr. Jeng's primary specialty in the NPI Registry, under taxonomy code 208000000X. Dr. Jeng is board certified in pediatrics by the American Board of Pediatrics. Dr. Jeng has a license on file in California.
Specialties and state licenses
- Pediatrics, CaliforniaPrimary
Pediatricians near Dr. Jeng
Counts of pediatricians 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
Dr. Leo C. Jeng's patients have a median age of 7
Across all payers, Dmand AI patient panel data puts Dr. Jeng's median patient age at 7, with 40% women.
Dr. Jeng's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 7
Patient panel by sex, all payers
- Women40%
- Men60%
Source: Dmand AI Patient Panel Data
Dr. Leo C. Jeng wrote 70 Medicare Part D claims in 2018
In 2018, Dr. Jeng wrote 70 Medicare Part D claims. Every claim was for a generic drug. They cover 5 drugs, with $3,199 in total drug cost.
Dr. Jeng's most prescribed drugs by claims, 2018
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Leo C. Jeng received $53 in industry payments from 2017 to 2021
CMS Open Payments shows 2 general payments to Dr. Jeng from 2 drug and device companies from 2017 to 2021. Food and beverage make up the largest share, 100% of the total. Masimo Corporation paid the most, $32.
General payments to Dr. Jeng by program year, 2017 to 2021
Companies that paid Dr. Jeng the most, 2017 to 2021
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Leo C. Jeng graduated from New York Medical College
Dr. Jeng graduated from New York Medical College in 2000.
- Medical school
- Board certified in pediatrics
Source: Dmand AI Professional Profile Data
Dr. Leo C. Jeng accepts plans from 2 insurance carriers
Dr. Jeng is in network with 2 carriers, including Kaiser Permanente and Molina. HMO plans come from the most carriers, 2. Check the plan with the practice before a visit.
- Kaiser Permanente
- Molina
Plan types Dr. Jeng accepts, by number of carriers
- HMO2
- EPO1
- Medicare1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Leo C. Jeng'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 Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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 and Drug (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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 Dr. Leo C. Jeng
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Leo C. Jeng's NPI number?
Dr. Leo C. Jeng's NPI number is 1154344893. It was assigned on July 25, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Leo C. Jeng?
Dr. Leo C. Jeng is a pediatrician in Fontana, California. The primary specialty in the NPI Registry is Pediatrics Physician (taxonomy code 208000000X).
Where does Dr. Leo C. Jeng practice?
Dr. Jeng practices at 9961 Sierra Ave, Fontana, CA 92335. Dr. Jeng's primary practice is Fontana Medical Center in Fontana, California. Dmand AI also links Dr. Jeng to 1 group practice or clinic.
What is Dr. Leo C. Jeng's office phone number?
The practice phone on file for Dr. Jeng is (909) 427-3910.
What is Dr. Leo C. Jeng's medical license number?
Dr. Jeng's California license number on file is A77742.
What medical group is Dr. Leo C. Jeng part of?
Dr. Jeng is linked to Southern California Permanente Medical Group.
Is Dr. Leo C. Jeng board certified?
Yes. Dr. Jeng is board certified in pediatrics by the American Board of Pediatrics.
Where did Dr. Leo C. Jeng go to medical school?
Dr. Jeng graduated from New York Medical College in 2000.
What drugs does Dr. Leo C. Jeng prescribe most?
In 2018 Medicare Part D data, Dr. Jeng's most prescribed drugs by claims were Phenobarbital, Levothyroxine Sodium and Glycopyrrolate.
Has Dr. Leo C. Jeng received payments from drug or device companies?
CMS Open Payments shows $53 in general payments to Dr. Jeng from 2 companies from 2017 to 2021. The largest total came from Masimo Corporation.
How long has Dr. Leo C. Jeng been practicing?
Dr. Jeng graduated from medical school in 2000, 26 years ago.
What insurance does Dr. Leo C. Jeng accept?
Dr. Jeng is in network with 2 carriers, including Kaiser Permanente and Molina. HMO plans come from the most carriers, 2. Check the plan with the practice before a visit.
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