MR. CHRISTOPHER JAMES YAN FNP-C
NPI 1285345124
Nurse Practitioner - Family in Ontario, CA

Q: What is Christopher Yan's NPI number?

The NPI number for Christopher Yan is 1285345124. It was assigned to this individual provider in the NPPES registry on December 12, 2022.

Q: What is Christopher Yan's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Q: When was this NPI record last updated?

The NPPES record for Christopher Yan was last updated on December 12, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since December 12, 2022PECOS EnrolledAccepts Medicare Assignment

2295 S VINEYARD AVE, ONTARIO, CA 91761(833) 574-2273 Get Directions Write a Review

NPPES record last updated: December 12, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Mr. Christopher James Yan Fnp-c NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MR. CHRISTOPHER JAMES YAN FNP-C (NPI 1285345124) is an individual family provider in Ontario, California, licensed in California (95023583) and active in the NPI registry since December 2022. He is enrolled in Medicare PECOS and is a graduate of Other (2025).

NPPES Registry Identity

NPI1285345124

Entity TypeIndividualMale

Primary Taxonomy363LF0000X

Provider Legal NameMR. CHRISTOPHER JAMES YANCredential: FNP-C

Location Address2295 S VINEYARD AVEOntario, CA 91761-7925

Mailing Address2295 S Vineyard AveOntario, CA 91761-7925

Phone(833) 574-2273

Sole ProprietorYes

Medical School CMSOtherGraduated 2025

Enumeration DateDecember 12, 2022

NPPES CertifiedDecember 8, 2022

✔ NPI 1285345124 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LF0000X

License✔ Licensed in CA · 95023583

2295 S VINEYARD AVE, Ontario, CA 91761

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Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mr. Christopher James Yan Fnp-c is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2264897917

PECOS Enrollment IDI20230502001117

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show Christopher Yan reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Mood Clinical, P. C.

24 mi

Family

980 W 17TH ST STE C
Santa Ana, CA 92706

Reassigned Medicare billing, California enrollment
182 clinicians in this Medicare group

NPI 1922675644 (619) 639-9730

Carbon Health Medical Group Of California PC

31 mi

Urgent Care

600 E COLORADO BLVD # 120
Pasadena, CA 91101

Reassigned Medicare billing, California enrollment
241 clinicians in this Medicare group

NPI 1255957205 (415) 200-2133

Supportive Care Specialists

45 mi

Clinic/Center

1171 S ROBERTSON BLVD STE 242
Los Angeles, CA 90035

Reassigned Medicare billing, California enrollment
18 clinicians in this Medicare group

NPI 1518705771 (626) 765-4302

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

81 services56 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

43 services43 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

18 services18 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

16 services15 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91761 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$91.88 typical visit price

range $59.60 – $179.42

Typical copayment $22.97 (range $14.90 – $44.85)

Most-billed visit code 99203

Established Patient

$104.64 typical visit price

range $19.37 – $146.42

Typical copayment $26.16 (range $4.84 – $36.60)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. BENJAMIN MAURICE KERSHBERG M.D.

Pediatrics

2295 S VINEYARD AVE, MOB A
ONTARIO, CA 91761

San Bernardino County (909) 724-2554

MS. CHRISTINE RAMOS PHARM.D.

Pharmacist