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Neurology

Deng-Yuan D. Liou, MD

Works at hospitals in San Diego, CA · California

Summary

Dr. Deng-Yuan D. Liou, MD is a neurologist at 200 W Arbor Dr, San Diego, CA 92103. Phone: (858) 249-6753. Accepts Medicare assignment. In 2024, Deng-Yuan D. Liou had 65 Original Medicare patients and 275 services. NPI 1932668084. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about Deng-Yuan D. Liou, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Deng-Yuan D. Liou accept Medicare assignment?
Yes. Medicare's clinician data says Deng-Yuan D. Liou accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Deng-Yuan D. Liou see?
In 2024, CMS data shows 65 Original Medicare patients and 275 services for Deng-Yuan D. Liou. This counts Original Medicare only and measures volume, not quality.
What is Deng-Yuan D. Liou's NPI number?
1932668084. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Deng-Yuan D. Liou, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients65
Services billed to Medicare275
Different services or procedures10
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)47 services
  2. Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or (G2212)42 services
  3. New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)39 services
  4. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)26 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High cholesterol74%
  • High blood pressure71%
  • Arthritis58%
  • Diabetes37%
  • Anxiety37%
  • Chronic kidney disease34%

Hospitals where Deng-Yuan D. Liou works

Medicare's Facility Affiliation Data lists Deng-Yuan D. Liou at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Deng-Yuan D. Liou is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Deng-Yuan D. Liou as a member of this group (CMS data updated October 2, 2026).

  • Regents of the University of California2,089 clinicians in the group

Specialties

Find other Neurology doctors in California →

Other neurologists in San Diego

Clinicians with the same Medicare primary specialty in San Diego, CA — not a recommendation.

All neurologists in San Diego →

Other clinicians in Regents of the University of California

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Graduation year2019 (7 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1932668084
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians