Christopher Yan, MD
NPI 1457410052 · Family Medicine Physician · Fontana, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christopher Yan, MD is a Family Medicine Physician provider in Fontana, CA (NPI 1457410052).
Provider details
- NPI number
- 1457410052
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A80203 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
19 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 56 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 191 | 72 |
| Losartan/Hydrochlorothiazidebrand: Losartan-Hydrochlorothiazide | 115 | 47 |
| Amlodipine Besylate | 114 | 40 |
| Omeprazole | 96 | 39 |
| Losartan Potassium | 91 | 35 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 88 | 13 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$73 across 3 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-12-08
- Last updated
- 2021-11-22
Frequently asked questions
- What is Christopher Yan's NPI number?
- Christopher Yan's National Provider Identifier (NPI) is 1457410052, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christopher Yan's specialty?
- Christopher Yan is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Christopher Yan located?
- Christopher Yan's practice location on file with NPPES is 9961 Sierra Ave, Fontana, CA 92335-6720.
- What is Christopher Yan's phone number?
- The practice phone number listed in the NPPES registry for Christopher Yan is (909) 427-3910.
- Does Christopher Yan accept Medicare?
- Christopher Yan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Christopher Yan's NPI active?
- Yes — Christopher Yan's NPI (1457410052) is active in the NPPES registry as of the last update on 2021-11-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.