Diana Chih-Yi Yang, DO
Neurology Physician · Oxnard, CA
Diana Chih-Yi Yang, DO is a neurology physician with a practice address in Oxnard, California, and NPI 1700405800, issued on Apr 9, 2020. Check the license (California 19454, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Diana Chih-Yi Yang
- Credential
- DO
- Primary taxonomy
- Neurology Physician 2084N0400X
- License number
- 19454 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1700 N Rose Ave Ste 470, Oxnard, CA 93030
- Phone
- (805) 263-7492
- Enumerated
- Apr 9, 2020
- Record last updated
- Jun 19, 2026
- Fax
- (805) 702-8656
- Medicare enrollment
- Enrolled (PECOS I20250930000289); accepts Medicare assignment
- Medical or professional school
- Touro Un College Of Osteopathic Medicine, Vallejo, 2020
- Entity
- Type 1 · individual
8 nearest neurology physician records → All 2,339 in California → Look up another NPI →
Also registered at 1700 N Rose Ave Ste 470
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rachel Araujo, NPNurse Practitioner1508632316
- Amit Goyal, M.D.Neurological Surgery Physician1174813588
- Bradley Hiner, MDNeurology Physician1326099151
- Jay Klarnet, MDMedical Oncology Physician1538258314
- Brittni Mack, PA-CSurgical Physician Assistant1063975753
- Brian MiremadiNeurology Physician1376078931
Verify Diana Chih-Yi Yang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 19454Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average neurology physician in 2024
106 Medicare Part D claims for 28 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium15 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $125.00
1 payment: food and beverage; the largest payer was Teva Pharmaceuticals USA, Inc. The 10,858 providers of this specialty with any payment received $8,318.07 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Link IN-Patient Services PCOxnard, CA
- Link Neuroscience Institute PCOxnard, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Diana Chih-Yi Yang among 2,339 neurology physician records in California
Diana Chih-Yi Yang, DO is one of 2,339 neurology physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 91% of them.
- NPI issued2020 · 91% of these records are older, 6% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2020 · median 2006 among the 1,628 with a school on file
- Record last updated2026 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0400X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neurology Physician providers in California
There are 2,339 neurology physician records in California.
All 2,339 in California → Every provider in Oxnard → Neurology Physician nationwide →
The 8 neurology physician records with the nearest ZIP codes
- Mostafa Hammoudi, M.D.Oxnard, CA 930301912027426
- Bradley Hiner, MDOxnard, CA 930301326099151
- Patrick Kong, MDOxnard, CA 930301447308002
- Yucheng Liao, MD PHDOxnard, CA 930301922102029
- Brian MiremadiOxnard, CA 930301376078931
- Mani Nezhad, M.D.Oxnard, CA 930301669716387
- Omair Sheikh, M.DOxnard, CA 930301780830711
- Daniel Rafie, M.D.Oxnard, CA 930351487131884
Common questions
What is Diana Chih-Yi Yang, DO's NPI number?
Diana Chih-Yi Yang, DO's National Provider Identifier (NPI) is 1700405800, issued on Apr 9, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Diana Chih-Yi Yang, DO located?
The NPPES record lists a practice address at 1700 N Rose Ave Ste 470, Oxnard, CA, 93030. Phone: (805) 263-7492. Providers update this record themselves, so call before visiting.
How can I verify Diana Chih-Yi Yang, DO's license?
NPPES lists California license number 19454, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Diana Chih-Yi Yang, DO prescribe under Medicare Part D?
In 2024, Diana Chih-Yi Yang, DO had 106 Medicare Part D claims for 28 beneficiaries; the average among neurology physician prescribers was 1,370. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.