Deng-Yuan Dean Liou, MD
Neurology Physician · San Diego, CA
Deng-Yuan Dean Liou, MD is a neurology physician with a practice address in San Diego, California, and NPI 1932668084, issued on Mar 18, 2019. Check the license (California A184769, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Deng-Yuan Dean Liou
- Credential
- MD
- Primary taxonomy
- Neurology Physician 2084N0400X
- License number
- A184769 CA
Self-reported in NPPES; status is on the state search - Practice location
- 200 W Arbor Dr, San Diego, CA 92103
- Phone
- (800) 926-8273
- Enumerated
- Mar 18, 2019
- Record last updated
- Jul 17, 2024
- Fax
- (888) 539-8781
- Medicare enrollment
- Enrolled (PECOS I20240731003925); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest neurology physician records → All 2,339 in California → Look up another NPI →
Also registered at 200 W Arbor Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Kristy AbelCertified Registered Nurse Anesthetist1962113035
- Paula Abeleda, NPFamily Nurse Practitioner1558945022
Verify Deng-Yuan Dean Liou in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A184769Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average neurology physician in 2024
169 Medicare Part D claims for 74 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.
Most prescribed
- Carbidopa-Levodopa34 claims
- Gabapentin15 claims
- Carbidopa-Levodopa Er12 claims
- Rytary12 claims
- Donepezil Hcl11 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: $1,778.25
11 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. 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 one group practice
- Regents OF The University OF CaliforniaSan Diego, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Deng-Yuan Dean Liou among 2,339 neurology physician records in California
Deng-Yuan Dean Liou, MD 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 2019, is newer than 88% of them.
- NPI issued2019 · 88% of these records are older, 9% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2019 · median 2006 among the 1,628 with a school on file
- Record last updated2024 · 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 San Diego → Neurology Physician nationwide →
The 8 neurology physician records with the nearest ZIP codes
- John Aalbers, M.D.San Diego, CA 921031942262431
- James Brewer, M.D./PH.DSan Diego, CA 921031033144985
- Kristi Dove, MDSan Diego, CA 921031598730335
- Ronald Ellis, M.D., PH.D.San Diego, CA 921031992763114
- George Ellison, M.DSan Diego, CA 921031194740365
- James Grisolia, M.D.INCSan Diego, CA 921031336102359
- Charles Jablecki, M.D.San Diego, CA 921031255315677
- Mark Kritchevsky, MDSan Diego, CA 921031104866318
Common questions
What is Deng-Yuan Dean Liou, MD's NPI number?
Deng-Yuan Dean Liou, MD's National Provider Identifier (NPI) is 1932668084, issued on Mar 18, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Deng-Yuan Dean Liou, MD located?
The NPPES record lists a practice address at 200 W Arbor Dr, San Diego, CA, 92103. Phone: (800) 926-8273. Providers update this record themselves, so call before visiting.
How can I verify Deng-Yuan Dean Liou, MD's license?
NPPES lists California license number A184769, 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 Deng-Yuan Dean Liou, MD prescribe under Medicare Part D?
In 2024, Deng-Yuan Dean Liou, MD had 169 Medicare Part D claims for 74 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.