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Ophthalmology

Sophie X. Deng, MD

Works at hospitals in Los Angeles, CA · California

Summary

Dr. Sophie X. Deng, MD is an ophthalmologist at 622 W Duarte Rd, Suite 101, Arcadia, CA 91007. Phone: (323) 442-7122. Accepts Medicare assignment. In 2024, Sophie X. Deng had 287 Original Medicare patients and 1,237 services. NPI 1194775890. 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: Ophthalmologist (Medicare lists Ophthalmology)
  • Address: 622 W Duarte Rd, Suite 101, Arcadia, CA 91007 · Directions
  • Phone: (323) 442‑7122
  • Medicare: Accepts Medicare assignment
  • Hospital: Ronald Reagan UCLA Medical Center
  • Group practice: Jules Stein Eye Institute Medical Group
  • Medical school: University Of Rochester School Of Medicine And Dentistry · graduated 2001 (25 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Sophie X. Deng, 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 Sophie X. Deng accept Medicare assignment?
Yes. Medicare's clinician data says Sophie X. Deng 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 Sophie X. Deng see?
In 2024, CMS data shows 287 Original Medicare patients and 1,237 services for Sophie X. Deng. This counts Original Medicare only and measures volume, not quality.
What is Sophie X. Deng's NPI number?
1194775890. 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 Sophie X. Deng, 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 patients287
Services billed to Medicare1,237
Different services or procedures54
Participating Medicare providerYes
Average age of these patients78

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)470 services
  2. Ultrasound scan of cornea to determine thickness (76514)257 services
  3. Closure of tear duct opening using plug (68761)131 services
  4. Imaging of front third of eye using a special microscope (92286)59 services
  5. Ct scan of cornea (92025)32 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 cholesterol75%
  • Arthritis56%
  • Diabetes34%
  • Ischemic heart disease31%
  • Osteoporosis26%

Hospitals where Sophie X. Deng works

Medicare's Facility Affiliation Data lists Sophie X. Deng 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 Sophie X. Deng is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Sophie X. Deng as a member of this group (CMS data updated October 2, 2026).

  • Jules Stein Eye Institute Medical Group119 clinicians in the group

Specialties

Find other Ophthalmology doctors in California →

Other ophthalmologists in Arcadia

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

All ophthalmologists in Arcadia →

Other clinicians in Jules Stein Eye Institute Medical Group

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

Clinician information

CredentialMD
Medical schoolUniversity Of Rochester School Of Medicine And Dentistry
Graduation year2001 (25 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1194775890
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