Dr. Reid Allan Longmuir, MD

  • Nashville, TN
  • Ophthalmologist
NPI1770514796PAC ID2163427915
Medicare services, 2024
1,579
Medicare patients, 2024
530
Part D claims, 2024
2,701
Publications
11
Hospital affiliations
1
Practice address
1211 Medical Center Drive, Nashville, TN 37232
Practice phone
Call (615) 322-3454
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Vanderbilt University Medical Center

Hospital · Nashville, Tennessee

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Dr. Reid Allan Longmuir is an ophthalmologist in Nashville, Tennessee

Dr. Longmuir practices at Vanderbilt University Medical Center in Nashville, Tennessee, part of Vanderbilt University Medical Center.

Dr. Longmuir's NPI, 1770514796, was assigned on July 6, 2006. Dr. Longmuir graduated from University of Iowa, RJ & L Carver College of Medicine in 2002. Dr. Longmuir holds Tennessee license MD51758.

NPI and contact details
Medicare PAC ID
2163427915
NPI enumeration date
July 6, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(615) 322-3454
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
50
Medical school graduation
2002

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Reid Allan Longmuir practices at Vanderbilt University Medical Center in Nashville, Tennessee

Dr. Longmuir's primary practice is Vanderbilt University Medical Center, at 1211 Medical Center Drive, Nashville, TN 37232 in Davidson County. The practice phone is (615) 322-3454.

Source: Dmand AI Affiliation Data

Dr. Reid Allan Longmuir is affiliated with 2 sites of care and 1 medical group

Dr. Longmuir's primary practice is Vanderbilt University Medical Center in Nashville, Tennessee, part of Vanderbilt University Medical Center. The medical group on file is Vanderbilt University Medical Center. Dmand AI also links Dr. Longmuir to 1 more group practice or clinic, named with a free account.

See all 3 affiliations for Dr. Longmuir

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Reid Allan Longmuir's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Longmuir practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Vanderbilt University Medical CenterAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Reid Allan Longmuir is one of 310 ophthalmologists in Tennessee

Ophthalmology is Dr. Longmuir's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dmand AI has Dr. Longmuir's licenses on file in 2 states: Tennessee and Iowa.

Specialties and state licenses

  • Ophthalmology, TennesseePrimaryLicense MD51758 · taxonomy 207W00000X
  • Iowa licenseLicense 36703

Ophthalmologists near Dr. Longmuir

Counts of ophthalmologists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Reid Allan Longmuir billed Medicare for 1,579 services in 2024

CMS data shows 1,579 Medicare services from Dr. Longmuir across 9 procedure codes in 2024, for 530 Medicare patients. Medicare paid $81,543 for them.

Medicare services, 20241,579
Medicare patients530
Paid by Medicare$81,543
Procedure codes9

Dr. Longmuir's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Tests and treatments
2023: 8222024: 8321%
Office and hospital visits
2023: 8052024: 7477%
Imaging
2023: 412024: 0100%

Where Dr. Longmuir's Medicare services took place, 2024

  • In an office73947%
  • In a facility84053%

Dr. Longmuir compared with the Tennessee median for ophthalmologists, 2024

  • Dr. Longmuir
  • Tennessee median
Medicare services
1,579vs 1,584Close to median
Medicare patients
530vs 63617% below
Part D claims
2,597vs 6334.1 times

Medians across 333 ophthalmologists in Tennessee with Dmand AI profiles that report each measure.

Dr. Longmuir's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Longmuir

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Reid Allan Longmuir treated 530 Medicare patients in 2024, average age 73

CMS counts 530 Medicare patients who saw Dr. Longmuir in 2024. The largest group is 65 to 74, with 236 patients. 75% of them have high cholesterol, and 73% have high blood pressure. 5% are also on Medicaid. Their average risk score is 1.26, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Longmuir's median patient age at 70, with 65% women.

Medicare patients, 2024530
Average age73
Average risk score1.26
Also on Medicaid5%

Dr. Longmuir's Medicare patients by age, 2024

Dr. Longmuir's Medicare patients by sex, 2024

  • Women32261%
  • Men20839%

Chronic conditions among Dr. Longmuir's Medicare patients, 2024

  1. High cholesterol75%
  2. High blood pressure73%
  3. Arthritis49%
  4. Ischemic heart disease31%
  5. Diabetes30%
  6. Mood disorders30%
  7. Anxiety29%
  8. Depression27%

Share of Medicare patients with each condition. A patient can have several.

Dr. Longmuir's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 70

Patient panel by sex, all payers

  • Women65%
  • Men35%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Reid Allan Longmuir wrote 2,701 Medicare Part D claims in 2024

In 2024, Dr. Longmuir wrote 2,701 Medicare Part D claims for 457 patients. 76% of them were for generic drugs. CMS names the drug for 2,597 of them, across 23 drugs with 11 or more claims each, at $205,161 in total drug cost. In 2023, CMS named 2,578 claims across 22 drugs.

Part D claims, 20242,701
Drugs named by CMS23
Total drug cost$205,161
Part D patients457

Dr. Longmuir's Part D claims by kind of drug, 2024

  • Generic2,058 claims76%
  • Brand-name643 claims24%

Dr. Longmuir's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 2,5782024: 2,5971%

Drugs named by CMS: 23 in 2024, 22 in 2023.

See all prescribing by Dr. Longmuir

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Reid Allan Longmuir ranks in the 36th percentile for cataract surgery in Medicare

Dr. Longmuir accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Longmuir as offering telehealth. CMS counts 13 procedures of cataract surgery by Dr. Longmuir, more than 36% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Where Dr. Longmuir ranks in Medicare procedure volume

Cataract surgery
36th percentile13 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)

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Dr. Reid Allan Longmuir has 11 publications on record

Dmand AI links 11 papers to Dr. Longmuir, published from 2015 to 2021. 2020 was the busiest year, with 3. The most frequent topics are Tomography, Optical Coherence, Visual Acuity and Betacoronavirus. Dr. Longmuir has published most often in JAMA Ophthalmol. Dr. Longmuir's most frequent co-authors are John B. Bond, MD, John Jing-Wei Chen, MD, PhD and Sean P. Donahue, MD, PhD.

Papers11
Years published2015 to 2021

Dr. Longmuir's papers by year, 2015 to 2021

Topics Dr. Longmuir writes about most

  • Tomography, Optical Coherence
  • Visual Acuity
  • Betacoronavirus
  • Coronavirus Infections
  • COVID-19
  • Magnetic Resonance Imaging
  • Nerve Fibers
  • Optic Nerve Diseases

Dr. Longmuir's most frequent co-authors

Recent publications by Dr. Longmuir

See all 11 publications and co-authors

See who Dr. Longmuir researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Longmuir works with, so you can find a warm path to the right ophthalmologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Reid Allan Longmuir received $6,972 in industry payments from 2017 to 2025

CMS Open Payments shows 5 general payments to Dr. Longmuir from 5 drug and device companies from 2017 to 2025. Consulting fees make up the largest share, 56% of the total. Horizon Pharma plc paid the most, $3,000.

General payments to Dr. Longmuir by program year, 2017 to 2025

General payments to Dr. Longmuir by kind, 2017 to 2025

$7Kin total
  • Consulting fees$3,89356%
  • Honoraria$3,00043%
  • Food and beverage$421%
  • Education$381%

Companies that paid Dr. Longmuir the most, 2017 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Longmuir

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Reid Allan Longmuir graduated from University of Iowa, RJ & L Carver College of Medicine

Dr. Longmuir graduated from University of Iowa, RJ & L Carver College of Medicine in 2002.

  1. Medical schoolUniversity of Iowa, RJ & L Carver College of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Reid Allan Longmuir's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Reid Allan Longmuir

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Reid Allan Longmuir's NPI number?

Dr. Reid Allan Longmuir's NPI number is 1770514796. It was assigned on July 6, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Reid Allan Longmuir?

Dr. Reid Allan Longmuir is an ophthalmologist in Nashville, Tennessee. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).

Where does Dr. Reid Allan Longmuir practice?

Dr. Longmuir practices at 1211 Medical Center Drive, Nashville, TN 37232. Dr. Longmuir's primary practice is Vanderbilt University Medical Center in Nashville, Tennessee, part of Vanderbilt University Medical Center. Dmand AI also links Dr. Longmuir to 1 group practice or clinic.

What is Dr. Reid Allan Longmuir's office phone number?

The practice phone on file for Dr. Longmuir is (615) 322-3454.

What is Dr. Reid Allan Longmuir's medical license number?

Dr. Longmuir holds Tennessee license MD51758, one of the licenses on file in 2 states.

Which states has Dr. Reid Allan Longmuir been licensed in?

Dmand AI has state licenses on file for Dr. Longmuir in Tennessee and Iowa.

Which hospitals is Dr. Reid Allan Longmuir affiliated with?

Dr. Longmuir practices at Vanderbilt University Medical Center in Nashville, Tennessee.

What medical group is Dr. Reid Allan Longmuir part of?

Dr. Longmuir is linked to Vanderbilt University Medical Center.

Does Dr. Reid Allan Longmuir accept Medicare?

Yes. CMS data shows Dr. Longmuir billed Medicare for 1,579 services in 2024, and Dr. Longmuir accepts Medicare assignment.

Does Dr. Reid Allan Longmuir offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Longmuir as offering telehealth services.

Show 8 more questionsShow fewer questions

How many Medicare patients does Dr. Reid Allan Longmuir see?

CMS counts 530 Medicare patients who saw Dr. Longmuir in 2024, with an average age of 73.

What services does Dr. Reid Allan Longmuir bill to Medicare?

In 2024, Dr. Longmuir's most billed Medicare services were office visit, established patient (99214), eye exam or test (92083) and eye exam or test (92133).

Where did Dr. Reid Allan Longmuir go to medical school?

Dr. Longmuir graduated from University of Iowa, RJ & L Carver College of Medicine in 2002.

What drugs does Dr. Reid Allan Longmuir prescribe most?

In 2024 Medicare Part D data, Dr. Longmuir's most prescribed drugs by claims were Latanoprost, Brimonidine Tartrate and Dorzolamide-Timolol.

Has Dr. Reid Allan Longmuir received payments from drug or device companies?

CMS Open Payments shows $6,972 in general payments to Dr. Longmuir from 5 companies from 2017 to 2025. The largest total came from Horizon Pharma plc.

How long has Dr. Reid Allan Longmuir been practicing?

Dr. Longmuir graduated from medical school in 2002, 24 years ago.

Does Dr. Reid Allan Longmuir do research?

Dmand AI links 11 publications to Dr. Longmuir, published from 2015 to 2021.

Who does Dr. Reid Allan Longmuir publish with?

Dr. Longmuir's most frequent co-authors are John B. Bond, MD (2 shared papers), John Jing-Wei Chen, MD, PhD (2 shared papers) and Sean P. Donahue, MD, PhD (2 shared papers).

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