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Neurology

Hoameng W. Ung, MD

Works at hospitals in San Diego, CA · California

Summary

Dr. Hoameng W. Ung, MD is a neurologist at 200 W Arbor Dr, San Diego, CA 92103. Phone: (858) 249-6753. Accepts Medicare assignment. In 2024, Hoameng W. Ung had 98 Original Medicare patients and 265 services. NPI 1619438363. 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.

  • Specialty: Neurologist (Medicare lists Neurology)
  • Address: 200 W Arbor Dr, San Diego, CA 92103 · Directions (2 more locations)
  • Phone: (858) 249‑6753
  • Medicare: Accepts Medicare assignment
  • Hospital: UC San Diego Health Hillcrest - Hillcrest Medical Center
  • Group practice: Regents of the University of California
  • Medical school: Perelman School Of Med At The University Of Pennsylvania · graduated 2019 (7 years since medical school)
  • Gender (as listed): Male
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Hoameng W. Ung, 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 Hoameng W. Ung accept Medicare assignment?
Yes. Medicare's clinician data says Hoameng W. Ung 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 Hoameng W. Ung see?
In 2024, CMS data shows 98 Original Medicare patients and 265 services for Hoameng W. Ung. This counts Original Medicare only and measures volume, not quality.
What is Hoameng W. Ung's NPI number?
1619438363. 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 Hoameng W. Ung, 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 patients98
Services billed to Medicare265
Different services or procedures21
Participating Medicare providerYes
Average age of these patients67

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)57 services
  2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)45 services
  3. Measurement of brain wave activity with video (veeg), 12-26 hours with review and report by health care professional (95720)35 services
  4. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)34 services
  5. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)16 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 blood pressure75%
  • High cholesterol72%
  • Arthritis51%
  • Depression46%
  • Anxiety44%
  • Stroke or mini-stroke41%

Hospitals where Hoameng W. Ung works

Medicare's Facility Affiliation Data lists Hoameng W. Ung 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 Hoameng W. Ung is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Hoameng W. Ung 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
Medical schoolPerelman School Of Med At The University Of Pennsylvania
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)1619438363
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