Dr. Leon Yan, MD
- Industry payments
- $601
- Affiliated sites
- 2
- Medical group
- 1
- Insurance carriers
- 11
- State licenses
- 2
- Practice address
- 1716 W Holt Ave, Pomona, CA 91768
- Practice phone
- Call (909) 623-9301
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Foundation Laboratory
Clinical Lab - Full Service · Pomona, California
Find Dr. Yan'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. Leon Yan is a pediatrician in Pomona, California
Dr. Yan practices at Foundation Laboratory in Pomona, California.
Dr. Yan's NPI, 1962569228, was assigned on January 3, 2007. Dr. Yan graduated from Ross University School of Medicine in 1998. Dr. Yan holds California license A80360.
- NPI
- 1962569228NPI Registry (opens in a new tab)
- NPI enumeration date
- January 3, 2007
- NPI status
- Active
- Practice phone
- (909) 623-9301
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 1998
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Leon Yan practices at Foundation Laboratory in Pomona, California
Dr. Yan's primary practice is Foundation Laboratory, at 1716 W Holt Ave, Pomona, CA 91768. The practice phone is (909) 623-9301.
- Foundation Laboratory1716 W Holt Ave, Pomona, CA 91768Phone(909) 623-9301
Source: Dmand AI Affiliation Data
Dr. Leon Yan is affiliated with 2 sites of care and 1 medical group
Dr. Yan's primary practice is Foundation Laboratory in Pomona, California. The medical group on file is Innercare. Dmand AI also links Dr. Yan to 1 more physician office, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Leon Yan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Yan practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Foundation Laboratory | 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. Leon Yan is one of 8,236 pediatricians in California
Pediatrics is Dr. Yan's primary specialty in the NPI Registry, under taxonomy code 208000000X. Dmand AI has Dr. Yan's licenses on file in 2 states: California and New Mexico.
Specialties and state licenses
- Pediatrics, CaliforniaPrimary
- New Mexico license
Pediatricians near Dr. Yan
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. Leon Yan's patients have a median age of 11
Across all payers, Dmand AI patient panel data puts Dr. Yan's median patient age at 11, with 48% women.
Dr. Yan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 11
Patient panel by sex, all payers
- Women48%
- Men52%
Source: Dmand AI Patient Panel Data
Dr. Leon Yan received $601 in industry payments from 2017 to 2024
CMS Open Payments shows 21 general payments to Dr. Yan from 6 drug and device companies from 2017 to 2024. Food and beverage make up the largest share, 84% of the total. Pfizer Inc. paid the most, $172.
General payments to Dr. Yan by program year, 2017 to 2024
General payments to Dr. Yan by kind, 2017 to 2024
- Food and beverage$50784%
- Education$9416%
Companies that paid Dr. Yan the most, 2017 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Leon Yan graduated from Ross University School of Medicine
Dr. Yan graduated from Ross University School of Medicine in 1998.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. Leon Yan accepts plans from 11 insurance carriers
Dr. Yan is in network with 11 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Blue Cross Blue Shield of Michigan
- United Healthcare
- HCSC
- Blue Cross Blue Shield of Massachusetts
- Regence Health Plans
- Alliant Health Plans
- +3 more carriersWith a free account
Plan types Dr. Yan accepts, by number of carriers
- Medicare8
- PPO7
- HMO6
- POS5
- EPO3
Source: Dmand AI Insurance Network Data
Sources for Dr. Leon Yan'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 |
| 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. Leon Yan
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. Leon Yan's NPI number?
Dr. Leon Yan's NPI number is 1962569228. It was assigned on January 3, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Leon Yan?
Dr. Leon Yan is a pediatrician in Pomona, California. The primary specialty in the NPI Registry is Pediatrics Physician (taxonomy code 208000000X).
Where does Dr. Leon Yan practice?
Dr. Yan practices at 1716 W Holt Ave, Pomona, CA 91768. Dr. Yan's primary practice is Foundation Laboratory in Pomona, California. Dmand AI also links Dr. Yan to 1 physician office.
What is Dr. Leon Yan's office phone number?
The practice phone on file for Dr. Yan is (909) 623-9301.
What is Dr. Leon Yan's medical license number?
Dr. Yan holds California license A80360, one of the licenses on file in 2 states.
Which states has Dr. Leon Yan been licensed in?
Dmand AI has state licenses on file for Dr. Yan in California (2002 to 2026) and New Mexico (2004 to 2006).
What medical group is Dr. Leon Yan part of?
Dr. Yan is linked to Innercare.
Where did Dr. Leon Yan go to medical school?
Dr. Yan graduated from Ross University School of Medicine in 1998.
Has Dr. Leon Yan received payments from drug or device companies?
CMS Open Payments shows $601 in general payments to Dr. Yan from 6 companies from 2017 to 2024. The largest total came from Pfizer Inc.
How long has Dr. Leon Yan been practicing?
Dr. Yan graduated from medical school in 1998, 28 years ago.
What insurance does Dr. Leon Yan accept?
Dr. Yan is in network with 11 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.
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