Dr. Brett Simpson, MD
- Medicare services, 2024
- 365
- Medicare patients, 2024
- 197
- Part D claims, 2024
- 343
- Hospital affiliations
- 1
- Industry payments
- $2,529
- Practice address
- 651 Dunlop Lane, Clarksville, TN 37040
- Practice phone
- Call (931) 502-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Simpson's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Brett Simpson is a neurosurgeon in Clarksville, Tennessee
Dr. Simpson practices at Vanderbilt Clarksville Hospital in Clarksville, Tennessee, part of Vanderbilt University Medical Center.
Dr. Simpson's NPI, 1376961987, was assigned on April 1, 2014. Dr. Simpson holds Tennessee license MD73163.
- NPI
- 1376961987NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7911301643
- NPI enumeration date
- April 1, 2014
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (931) 502-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 38
- Medical school graduation
- 2014
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Brett Simpson practices at Vanderbilt Clarksville Hospital in Clarksville, Tennessee
Dr. Simpson's primary practice is Vanderbilt Clarksville Hospital, at 651 Dunlop Lane, Clarksville, TN 37040 in Montgomery County. The practice phone is (931) 502-1000.
- Vanderbilt Clarksville Hospital651 Dunlop Lane, Clarksville, TN 37040 · Montgomery CountyPhone(931) 502-1000
Source: Dmand AI Affiliation Data
Dr. Brett Simpson is affiliated with 4 sites of care and 1 medical group
Dr. Simpson's primary practice is Vanderbilt Clarksville Hospital in Clarksville, Tennessee, part of Vanderbilt University Medical Center. The medical group on file is Vanderbilt Physician Services Clarksville. Dmand AI also links Dr. Simpson to 1 more group practice or clinic, 1 home health agency and 1 therapy and rehab clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Brett Simpson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Simpson practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Vanderbilt Clarksville Hospital | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Brett Simpson is one of 162 neurosurgeons in Tennessee
Neurological surgery is Dr. Simpson's primary specialty in the NPI Registry, under taxonomy code 207T00000X. Dmand AI has Dr. Simpson's licenses on file in 2 states: Tennessee and Texas.
Specialties and state licenses
- Neurological surgery, TennesseePrimary
- Texas license
Neurosurgeons near Dr. Simpson
Counts of neurosurgeons 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. Brett Simpson billed Medicare for 365 services in 2024
CMS data shows 365 Medicare services from Dr. Simpson across 8 procedure codes in 2024, for 197 Medicare patients. Medicare paid $37,577 for them.
Dr. Simpson's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2962024: 3167%
- Surgery
- 2023: 362024: 4936%
Where Dr. Simpson's Medicare services took place, 2024
- In an office26673%
- In a facility9927%
Dr. Simpson compared with the Tennessee median for neurosurgeons, 2024
- Dr. Simpson
- Tennessee median
- Medicare services
- 365vs 362Close to median
- Medicare patients
- 197vs 2106% below
- Part D claims
- 310vs 585.3 times
Medians across 146 neurosurgeons in Tennessee with Dmand AI profiles that report each measure.
Dr. Simpson'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Simpson and other neurosurgeons in Tennessee.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Brett Simpson treated 197 Medicare patients in 2024, average age 76
CMS counts 197 Medicare patients who saw Dr. Simpson in 2024. The largest group is 75 to 84, with 73 patients. 75% of them have arthritis, and 75% have high blood pressure. 7% are also on Medicaid. Their average risk score is 1.55, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Simpson's median patient age at 65, with 56% women.
Dr. Simpson's Medicare patients by age, 2024
Dr. Simpson's Medicare patients by sex, 2024
- Women10553%
- Men9247%
Chronic conditions among Dr. Simpson's Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol75%
- Mood disorders47%
- Depression44%
- Ischemic heart disease41%
- Anxiety40%
- Chronic kidney disease35%
Share of Medicare patients with each condition. A patient can have several.
Dr. Simpson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women56%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Brett Simpson wrote 343 Medicare Part D claims in 2024
In 2024, Dr. Simpson wrote 343 Medicare Part D claims for 85 patients. 100% of them were for generic drugs. CMS names the drug for 310 of them, across 6 drugs with 11 or more claims each, at $4,310 in total drug cost. In 2023, CMS named 199 claims across 5 drugs.
Dr. Simpson'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.
Drug classes CMS tracks in Dr. Simpson's Part D claims, 2024
- Opioids11%39 of 343 claims
- Antibiotics4%15 of 343 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1992024: 31056%
Drugs named by CMS: 6 in 2024, 5 in 2023.
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. Brett Simpson ranks in the 72nd percentile for laminectomy or laminotomy (partial removal of spine bones) in Medicare
Dr. Simpson accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 42 procedures of laminectomy or laminotomy (partial removal of spine bones) by Dr. Simpson, more than 72% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Simpson ranks in Medicare procedure volume
- Laminectomy or laminotomy (partial removal of spine bones)
- 72nd percentile42 procedures
- Spinal fusion
- 45th percentile32 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. Brett Simpson received $2,529 in industry payments from 2021 to 2025
CMS Open Payments shows 60 general payments to Dr. Simpson from 8 drug and device companies from 2021 to 2025. Food and beverage make up the largest share, 100% of the total. Stryker Corporation paid the most, $1,876.
General payments to Dr. Simpson by program year, 2021 to 2025
Companies that paid Dr. Simpson the most, 2021 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Brett Simpson's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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 percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Brett Simpson
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. Brett Simpson's NPI number?
Dr. Brett Simpson's NPI number is 1376961987. It was assigned on April 1, 2014, and it is active in the NPI Registry.
What kind of doctor is Dr. Brett Simpson?
Dr. Brett Simpson is a neurosurgeon in Clarksville, Tennessee. The primary specialty in the NPI Registry is Neurological Surgery Physician (taxonomy code 207T00000X).
Where does Dr. Brett Simpson practice?
Dr. Simpson practices at 651 Dunlop Lane, Clarksville, TN 37040. Dr. Simpson's primary practice is Vanderbilt Clarksville Hospital in Clarksville, Tennessee, part of Vanderbilt University Medical Center. Dmand AI also links Dr. Simpson to 1 group practice or clinic, 1 home health agency and 1 therapy and rehab clinic.
What is Dr. Brett Simpson's office phone number?
The practice phone on file for Dr. Simpson is (931) 502-1000.
What is Dr. Brett Simpson's medical license number?
Dr. Simpson holds Tennessee license MD73163, one of the licenses on file in 2 states.
Which states has Dr. Brett Simpson been licensed in?
Dmand AI has state licenses on file for Dr. Simpson in Tennessee and Texas.
Which hospitals is Dr. Brett Simpson affiliated with?
Dr. Simpson practices at Vanderbilt Clarksville Hospital in Clarksville, Tennessee.
What medical group is Dr. Brett Simpson part of?
Dr. Simpson is linked to Vanderbilt Physician Services Clarksville.
Does Dr. Brett Simpson accept Medicare?
Yes. CMS data shows Dr. Simpson billed Medicare for 365 services in 2024, and Dr. Simpson accepts Medicare assignment.
How many Medicare patients does Dr. Brett Simpson see?
CMS counts 197 Medicare patients who saw Dr. Simpson in 2024, with an average age of 76.
Show 4 more questionsShow fewer questions
What services does Dr. Brett Simpson bill to Medicare?
In 2024, Dr. Simpson's most billed Medicare services were office visit, established patient (99212), office visit, new patient (99204) and office visit, established patient (99214).
What drugs does Dr. Brett Simpson prescribe most?
In 2024 Medicare Part D data, Dr. Simpson's most prescribed drugs by claims were Celecoxib, Methocarbamol and Gabapentin.
Has Dr. Brett Simpson received payments from drug or device companies?
CMS Open Payments shows $2,529 in general payments to Dr. Simpson from 8 companies from 2021 to 2025. The largest total came from Stryker Corporation.
How long has Dr. Brett Simpson been practicing?
Dr. Simpson graduated from medical school in 2014, 12 years ago.
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