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Ophthalmology

Clifford B. Kim, MD

Works at hospitals in Boston, MA · Massachusetts

Summary

Dr. Clifford B. Kim, MD is an ophthalmologist at 243 Charles St, Boston, MA 02114. Phone: (617) 523-7900. Accepts Medicare assignment. In 2024, Clifford B. Kim had 252 Original Medicare patients and 289 services. NPI 1689105785. 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 Clifford B. Kim, 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 Clifford B. Kim accept Medicare assignment?
Yes. Medicare's clinician data says Clifford B. Kim 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 Clifford B. Kim see?
In 2024, CMS data shows 252 Original Medicare patients and 289 services for Clifford B. Kim. This counts Original Medicare only and measures volume, not quality.
What is Clifford B. Kim's NPI number?
1689105785. 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 Clifford B. Kim, 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 patients252
Services billed to Medicare289
Different services or procedures20
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Emergency department visit with moderate level of medical decision making (99284)88 services
  2. Emergency department visit with low level of medical decision making (99283)75 services
  3. Emergency department visit with high level of medical decision making (99285)23 services
  4. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)18 services
  5. Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more (99212)17 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 cholesterol75%
  • High blood pressure68%
  • Arthritis48%
  • Anxiety34%
  • Diabetes30%
  • Ischemic heart disease28%

Hospitals where Clifford B. Kim works

Medicare's Facility Affiliation Data lists Clifford B. Kim 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 Clifford B. Kim is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Clifford B. Kim as a member of this group (CMS data updated October 2, 2026).

  • Massachusetts Eye and Ear Associates, Inc433 clinicians in the group

Specialties

Find other Ophthalmology doctors in Massachusetts →

Other ophthalmologists in Boston

Clinicians with the same Medicare primary specialty in Boston, MA — not a recommendation.

All ophthalmologists in Boston →

Other clinicians in Massachusetts Eye and Ear Associates, Inc

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

Clinician information

CredentialMD
Medical schoolHarvard Medical School
Graduation year2017 (9 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1689105785
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