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Ophthalmology

James B. Byrne Jr., MD

Works at hospitals in Huntsville, AL · Alabama

Summary

Dr. James B. Byrne Jr., MD is an ophthalmologist at 401 Meridian St N, Suite 400, Huntsville, AL 35801. Phone: (256) 539-8851. Accepts Medicare assignment. In 2024, James B. Byrne Jr. had 1,042 Original Medicare patients and 9,591 services. NPI 1831128388. 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: 401 Meridian St N, Suite 400, Huntsville, AL 35801 · Directions
  • Phone: (256) 539‑8851
  • Medicare: Accepts Medicare assignment
  • Hospital: Huntsville Hospital
  • Group practice: Retina Specialists of North Alabama, LLC
  • Medical school: University Of Miami, Lm Miller School Of Medicine · graduated 1982 (44 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about James B. Byrne Jr., 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 James B. Byrne Jr. accept Medicare assignment?
Yes. Medicare's clinician data says James B. Byrne Jr. 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 James B. Byrne Jr. see?
In 2024, CMS data shows 1,042 Original Medicare patients and 9,591 services for James B. Byrne Jr.. This counts Original Medicare only and measures volume, not quality.
What is James B. Byrne Jr.'s NPI number?
1831128388. 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 James B. Byrne Jr., 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 patients1,042
Services billed to Medicare9,591
Different services or procedures33
Participating Medicare providerYes
Average age of these patients78

Most frequent services

  1. Imaging of retina (92134)2,170 services
  2. Injection of drug into eye (67028)1,397 services
  3. Injection, aflibercept, 1 mg (J0178)1,200 services
  4. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)1,168 services
  5. Injection, bevacizumab, 10 mg (J9035)940 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%
  • Diabetes44%
  • Ischemic heart disease37%
  • Chronic kidney disease35%

Hospitals where James B. Byrne Jr. works

Medicare's Facility Affiliation Data lists James B. Byrne Jr. 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.

  • Huntsville HospitalHuntsville, AL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 010039

Practice locations

Addresses where James B. Byrne Jr. is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

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

  • Retina Specialists of North Alabama, LLC6 clinicians in the group

Specialties

Find other Ophthalmology doctors in Alabama →

Other ophthalmologists in Huntsville

Clinicians with the same Medicare primary specialty in Huntsville, AL — not a recommendation.

All ophthalmologists in Huntsville →

Other clinicians in Retina Specialists of North Alabama, LLC

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

Clinician information

CredentialMD
Medical schoolUniversity Of Miami, Lm Miller School Of Medicine
Graduation year1982 (44 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1831128388
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