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Ophthalmology

Kamran M. Massoumi, MD

Sees patients in Elk City, OK · Lawton, OK · Oklahoma

Summary

Dr. Kamran M. Massoumi, MD is an ophthalmologist at 1020 N Main St, Elk City, OK 73644. Phone: (580) 255-1555. Accepts Medicare assignment. In 2024, Kamran M. Massoumi had 545 Original Medicare patients and 3,298 services. NPI 1639172604. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Ophthalmologist (Medicare lists Ophthalmology)
  • Address: 1020 N Main St, Elk City, OK 73644 · Directions (1 more location)
  • Phone: (580) 255‑1555
  • Medicare: Accepts Medicare assignment
  • Group practice: Oklahoma Eye Institute
  • Medical school: Saint Louis University School Of Medicine · graduated 1998 (28 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Kamran M. Massoumi, 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 Kamran M. Massoumi accept Medicare assignment?
Yes. Medicare's clinician data says Kamran M. Massoumi 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 Kamran M. Massoumi see?
In 2024, CMS data shows 545 Original Medicare patients and 3,298 services for Kamran M. Massoumi. This counts Original Medicare only and measures volume, not quality.
What is Kamran M. Massoumi's NPI number?
1639172604. 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 Kamran M. Massoumi, 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 patients545
Services billed to Medicare3,298
Different services or procedures17
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Measurement of corneal curvature and depth of eye (92136)983 services
  2. Removal of cataract with insertion of prosthetic lens (66984)754 services
  3. Injection, moxifloxacin, 100 mg (J2280)326 services
  4. Release of arm or leg nerve (64708)323 services
  5. Release of nerve using operating microscope (64727)323 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 pressure71%
  • High cholesterol67%
  • Arthritis43%
  • Diabetes30%
  • Ischemic heart disease26%
  • Anxiety15%

Practice locations

Addresses where Kamran M. Massoumi is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Kamran M. Massoumi as a member of this group (CMS data updated October 2, 2026).

  • Oklahoma Eye Institute5 clinicians in the group

Specialties

Find other Ophthalmology doctors in Oklahoma →

Other ophthalmologists in Oklahoma

Clinicians with the same Medicare primary specialty in Oklahoma — not a recommendation.

All ophthalmologists in Oklahoma →

Other clinicians in Oklahoma Eye Institute

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

Clinician information

CredentialMD
Medical schoolSaint Louis University School Of Medicine
Graduation year1998 (28 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1639172604
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians