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JUSTIN CHYUAN YUAN
NPI 1831727841
Anesthesiology in Fremont, CA

Active since March 27, 2020PECOS EnrolledAccepts Medicare Assignment
2000 MOWRY AVE, FREMONT, CA 94538(510) 797-1111 Get Directions Write a Review

NPPES record last updated: July 9, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 9, 2025, Jul 15, 2024, Jul 1, 2021 and 1 more (4 updates tracked since 2020).

About Justin Chyuan Yuan NPPES

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

JUSTIN CHYUAN YUAN (NPI 1831727841) is an individual anesthesiology provider in Fremont, California, licensed in California (A190603) and active in the NPI registry since March 2020. He is enrolled in Medicare PECOS and is a graduate of Other (2020).

NPPES Registry Identity

NPI1831727841
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameJUSTIN CHYUAN YUAN
Location Address2000 MOWRY AVEFremont, CA 94538-1746
Mailing Address2100 Powell StEmeryville, CA 94608-1826 · (510) 350-2600
Phone(510) 797-1111
Sole ProprietorYes
Medical School CMSOtherGraduated 2020
Enumeration DateMarch 27, 2020
Last NPPES UpdateJuly 9, 20254 updates tracked since enumeration
NPPES CertifiedJuly 9, 2025
✔ NPI 1831727841 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in CA · A190603
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
2000 MOWRY AVE, Fremont, CA 94538
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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

Justin Chyuan Yuan 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 ID4880130772
PECOS Enrollment IDI20240727000341
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 Reassignment

Medicare enrollment records show Justin Yuan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Cep America - Anesthesia PC
Same address
Anesthesiology
2000 MOWRY AVE
Fremont, CA 94538
  • Reassigned Medicare billing, California enrollment
  • 833 clinicians in this Medicare group
NPI 1912426081 (510) 797-1111

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 3

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.

Injection of substance into lower spine canal 62322
This procedure involves injecting a substance into your lower spine canal, often for pain relief or diagnostic purposes. A needle is carefully inserted into the area, and the substance is then administered. It's generally safe and can provide valuable information about your spinal health.
20 services20 patients
Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) 64447
This procedure involves injecting a numbing agent and/or steroid into a nerve in your thigh. It's done to alleviate pain or inflammation. A needle will be carefully positioned near the nerve, and the medicine will be administered.
14 services14 patients
Anesthesia for procedure for total knee joint replacement 01402
Anesthesia for a total knee joint replacement numbs your body to eliminate pain during surgery. This could be general anesthesia where you're unconscious, or regional anesthesia where only the leg is numb. It's administered by a specialist, ensuring safety and comfort.
13 services13 patients

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.

TESFOM BERHE CCP
Perfusionist
2000 MOWRY AVE
FREMONT, CA 94538
Alameda County (510) 797-1111
MRS. SHERRIE DENISE KNEEBONE N.P.
Nurse Practitioner (Family)
2000 MOWRY AVE
FREMONT, CA 94538
Alameda County (510) 795-2004
DR. ALEXANDER P SAH MD
Orthopaedic Surgery (Adult Reconstructive Orthopaedic Surgery)
2000 MOWRY AVE, CENTER FOR JOINT REPLACEMENT BLDG
FREMONT, CA 94538
Alameda County (510) 818-7200
JESSICA YOUNG NP
Nurse Practitioner (Family)
2000 MOWRY AVE
FREMONT, CA 94538
Alameda County (510) 797-1111
PAUL VINCENT AGUILERA MD
Internal Medicine
2000 MOWRY AVE
FREMONT, CA 94538
Alameda County (510) 797-1111
DR. ANKUR AJAY DOSHI MD
Radiology (Vascular & Interventional Radiology)
2000 MOWRY AVE
FREMONT, CA 94538
Alameda County (510) 818-7362
MEDIHA SIDDIQUI JALEEL MD
Internal Medicine
2000 MOWRY AVE
FREMONT, CA 94538
Alameda County (510) 797-1111
DR. LYN MARISE DOS SANTOS MD
Pediatrics
2000 MOWRY AVE
FREMONT, CA 94538
Alameda County (510) 795-2002

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Justin Yuan's NPI number?

The NPI number for Justin Yuan is 1831727841. It was assigned to this individual provider in the NPPES registry on March 27, 2020.

Where is Justin Yuan located?

Justin Yuan practices at 2000 Mowry Ave, Fremont, CA 94538. The listed phone number is (510) 797-1111.

What is Justin Yuan's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Justin Yuan enrolled in Medicare?

Yes. Justin Yuan is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Justin Yuan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Justin Yuan reassigns Medicare benefits to Cep America - Anesthesia PC (Fremont, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Justin Yuan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Justin Yuan was last updated on July 9, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 months 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.