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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DIANA CHIH-YI YANG DO
NPI 1700405800
Psychiatry & Neurology - Neurology in Oxnard, CA

Active since April 09, 2020PECOS EnrolledAccepts Medicare Assignment
1700 N ROSE AVE STE 470, OXNARD, CA 93030(805) 263-7492(805) 702-8656 Get Directions Write a Review

NPPES record last updated: June 19, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Aug 7, 2025, Apr 9, 2020 (2 updates tracked since 2020).

About Diana Chih-yi Yang Do NPPES

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

DIANA CHIH-YI YANG DO (NPI 1700405800) is an individual neurology provider in Oxnard, California, licensed in California (19454) and active in the NPI registry since April 2020. She is enrolled in Medicare PECOS and is a graduate of Touro Un College Of Osteopathic Medicine, Vallejo (2020).

NPPES Registry Identity

NPI1700405800
Entity TypeIndividualFemale
Primary Taxonomy2084N0400X
Provider Legal NameDIANA CHIH-YI YANGCredential: DO
Location Address1700 N ROSE AVE STE 470Oxnard, CA 93030-7659
Mailing Address148 Wilshire AveDaly City, CA 94015-1054
Phone(805) 263-7492
Fax(805) 702-8656
Sole ProprietorYes
Medical School CMSTouro Un College Of Osteopathic Medicine, VallejoGraduated 2020
Enumeration DateApril 9, 2020
Last NPPES UpdateJune 19, 20262 updates tracked since enumeration
NPPES CertifiedJune 19, 2026
✔ NPI 1700405800 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · NeurologyAllopathic & Osteopathic Physicians
Taxonomy Code2084N0400X
License✔ Licensed in CA · 19454
Definition
A Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.
1700 N ROSE AVE STE 470, Oxnard, CA 93030
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Diana Chih-yi Yang Do 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 ID2062918055
PECOS Enrollment IDI20250930000289
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 93030 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
$140.72 typical visit price
range $62.32 – $185.36
Typical copayment $35.18 (range $15.58 – $46.34)
Most-billed visit code 99204
Established Patient
$108.74 typical visit price
range $20.68 – $151.85
Typical copayment $27.18 (range $5.17 – $37.96)
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 15

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

BRITTNI MACK PA-C
Physician Assistant (Surgical)
1700 N ROSE AVE STE 470
OXNARD, CA 93030
Ventura County (805) 988-2775
DR. AMIT GOYAL M.D.
Neurological Surgery
1700 N ROSE AVE STE 470
OXNARD, CA 93030
Ventura County (805) 988-2775
DR. BRADLEY C HINER MD
Psychiatry & Neurology (Neurology)
1700 N ROSE AVE STE 470
OXNARD, CA 93030
Ventura County (805) 988-2775
BRIAN BEHDAD MIREMADI
Psychiatry & Neurology (Neurology)
1700 N ROSE AVE STE 470
OXNARD, CA 93030
Ventura County (805) 988-2775
ROBERT ANTHONY TAYLOR MD
Neurological Surgery
1700 N ROSE AVE STE 470
OXNARD, CA 93030
Ventura County (805) 988-2775
SADANAND I PATIL M.D.
Internal Medicine (Hematology & Oncology)
1700 N ROSE AVE STE 470
OXNARD, CA 93030
Ventura County (805) 988-7080
RACHEL MARIA ARAUJO NP
Nurse Practitioner
1700 N ROSE AVE STE 470
OXNARD, CA 93030
Ventura County (805) 988-7080
JAY PAUL KLARNET MD
Internal Medicine (Medical Oncology)
1700 N ROSE AVE STE 470
OXNARD, CA 93030
Ventura County (805) 988-7080

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 Diana Yang's NPI number?

The NPI number for Diana Yang is 1700405800. It was assigned to this individual provider in the NPPES registry on April 9, 2020.

Where is Diana Yang located?

Diana Yang practices at 1700 N Rose Ave Ste 470, Oxnard, CA 93030. The listed phone number is (805) 263-7492.

What is Diana Yang's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.

Is Diana Yang enrolled in Medicare?

Yes. Diana Yang 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.

When was this NPI record last updated?

The NPPES record for Diana Yang was last updated on June 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 51 days 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.