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Ophthalmology

Natalie N. Chung, MD

Works at hospitals in Monterey, CA · Salinas, CA · California

Summary

Dr. Natalie N. Chung, MD is an ophthalmologist at 2 Upper Ragsdale Dr, B130, Monterey, CA 93940. Phone: (831) 647-3900. Accepts Medicare assignment. In 2024, Natalie N. Chung had 1,015 Original Medicare patients and 1,749 services. NPI 1336636828. 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 Natalie N. Chung, 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 Natalie N. Chung accept Medicare assignment?
Yes. Medicare's clinician data says Natalie N. Chung 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 Natalie N. Chung see?
In 2024, CMS data shows 1,015 Original Medicare patients and 1,749 services for Natalie N. Chung. This counts Original Medicare only and measures volume, not quality.
What is Natalie N. Chung's NPI number?
1336636828. 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 Natalie N. Chung, 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 patients1,015
Services billed to Medicare1,749
Different services or procedures27
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Established patient complete exam of visual system (92014)352 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)302 services
  3. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)162 services
  4. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)147 services
  5. Exam of visual field with extended testing (92083)139 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%
  • Diabetes42%
  • Arthritis41%
  • Ischemic heart disease24%
  • Chronic kidney disease21%

Hospitals where Natalie N. Chung works

Medicare's Facility Affiliation Data lists Natalie N. Chung 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 Natalie N. Chung is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Natalie N. Chung as a member of this group (CMS data updated October 2, 2026).

  • Vantage Eye Center a Medical Corp19 clinicians in the group

Specialties

Find other Ophthalmology doctors in California →

Other ophthalmologists in Monterey

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

All ophthalmologists in Monterey →

Other clinicians in Vantage Eye Center a Medical Corp

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

Clinician information

CredentialMD
Medical schoolUniversity Of California, San Diego School Of Medicine
Graduation year2018 (8 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1336636828
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