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Ophthalmology

Reid A. Longmuir, MD

Works at hospitals in Nashville, TN · Tennessee

Summary

Dr. Reid A. Longmuir, MD is an ophthalmologist at 1301 Medical Ctr Dr, Nashville, TN 37232. Phone: (615) 322-5000. Accepts Medicare assignment. In 2024, Reid A. Longmuir had 530 Original Medicare patients and 1,649 services. NPI 1770514796. 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: 1301 Medical Ctr Dr, Nashville, TN 37232 · Directions (3 more locations)
  • Phone: (615) 322‑5000
  • Medicare: Accepts Medicare assignment
  • Hospital: Vanderbilt University Medical Center
  • Group practice: Vanderbilt University Medical Center
  • Medical school: University Of Iowa, Rj & L Carver College Of Medicine · graduated 2002 (24 years since medical school)
  • Gender (as listed): Male
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Reid A. Longmuir, 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 Reid A. Longmuir accept Medicare assignment?
Yes. Medicare's clinician data says Reid A. Longmuir 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 Reid A. Longmuir see?
In 2024, CMS data shows 530 Original Medicare patients and 1,649 services for Reid A. Longmuir. This counts Original Medicare only and measures volume, not quality.
What is Reid A. Longmuir's NPI number?
1770514796. 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 Reid A. Longmuir, 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 patients530
Services billed to Medicare1,649
Different services or procedures22
Participating Medicare providerYes
Average age of these patients73

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)634 services
  2. Exam of visual field with extended testing (92083)313 services
  3. Imaging of optic nerve (92133)280 services
  4. Established patient complete exam of visual system (92014)107 services
  5. Exam to measure eye deviation and range of motion (92060)87 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 pressure73%
  • Arthritis49%
  • Ischemic heart disease31%
  • Diabetes30%
  • Anxiety29%

Hospitals where Reid A. Longmuir works

Medicare's Facility Affiliation Data lists Reid A. Longmuir 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 Reid A. Longmuir is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Reid A. Longmuir as a member of this group (CMS data updated October 2, 2026).

  • Vanderbilt University Medical Center3,567 clinicians in the group

Specialties

Find other Ophthalmology doctors in Tennessee →

Other ophthalmologists in Nashville

Clinicians with the same Medicare primary specialty in Nashville, TN — not a recommendation.

All ophthalmologists in Nashville →

Other clinicians in Vanderbilt University Medical Center

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

Clinician information

CredentialMD
Medical schoolUniversity Of Iowa, Rj & L Carver College Of Medicine
Graduation year2002 (24 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1770514796
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