Gregory Nelson Roop
- Medicare services, 2024
- 176
- Medicare patients, 2024
- 333
- Hospital affiliations
- 1
- Industry payments
- $180
- Medical group
- 1
- Practice address
- 1211 Medical Center Drive, Nashville, TN 37232
- Practice phone
- Call (615) 322-3454
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Gregory Nelson Roop is an anesthesiologist in Nashville, Tennessee
Gregory Roop practices at Vanderbilt University Medical Center in Nashville, Tennessee, part of Vanderbilt University Medical Center.
Gregory Roop's NPI, 1346747128, was assigned on April 9, 2018. Gregory Roop graduated from University of South Carolina School of Medicine in 2018. Gregory Roop holds Tennessee license 60690.
- NPI
- 1346747128NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0749530442
- NPI enumeration date
- April 9, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (615) 322-3454
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 34
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Gregory Nelson Roop practices at Vanderbilt University Medical Center in Nashville, Tennessee
Gregory Roop'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.
- Vanderbilt University Medical Center1211 Medical Center Drive, Nashville, TN 37232 · Davidson CountyPhone(615) 322-3454
Source: Dmand AI Affiliation Data
Gregory Nelson Roop is affiliated with 2 sites of care and 1 medical group
Gregory Roop'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 Gregory Roop to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Gregory Nelson Roop's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Gregory Roop practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Vanderbilt University Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Vanderbilt University Medical Center and 6.2K+ hospitals, with verified contacts in the same login.
Gregory Nelson Roop is one of 734 anesthesiologists in Tennessee
Anesthesiology is Gregory Roop's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dmand AI has Gregory Roop's licenses on file in 2 states: Tennessee and South Carolina.
Specialties and state licenses
- Anesthesiology, TennesseePrimary
- South Carolina license
Anesthesiologists near Gregory Roop
Counts of anesthesiologists 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
Gregory Nelson Roop billed Medicare for 176 services in 2024
CMS data shows 176 Medicare services from Gregory Roop across 9 procedure codes in 2024, for 333 Medicare patients. Medicare paid $10,428 for them. Every service was in a facility, such as a hospital, rather than an office.
Gregory Roop's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Anesthesia
- 2023: 2662024: 15940%
- Surgery
- 2023: 02024: 17
Gregory Roop compared with the Tennessee median for anesthesiologists, 2024
- Gregory Roop
- Tennessee median
- Medicare services
- 176vs 832.1 times
- Medicare patients
- 333vs 1472.3 times
Medians across 729 anesthesiologists in Tennessee with Dmand AI profiles that report each measure.
Gregory Roop'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.
Need commercial claims for Gregory Roop?
Medicare shows one payer. Book a meeting to get commercial claims data for Gregory Roop and other anesthesiologists in Tennessee.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Gregory Nelson Roop treated 333 Medicare patients in 2024, average age 70
CMS counts 333 Medicare patients who saw Gregory Roop in 2024. The largest group is 65 to 74, with 185 patients. 75% of them have high blood pressure, and 73% have high cholesterol. 11% are also on Medicaid. Their average risk score is 1.71, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Gregory Roop's median patient age at 58, with 63% women.
Gregory Roop's Medicare patients by age, 2024
Gregory Roop's Medicare patients by sex, 2024
- Women17553%
- Men15847%
Chronic conditions among Gregory Roop's Medicare patients, 2024
- High blood pressure75%
- High cholesterol73%
- Arthritis50%
- Mood disorders38%
- Depression36%
- Anxiety33%
- Diabetes32%
- Ischemic heart disease30%
Share of Medicare patients with each condition. A patient can have several.
Gregory Roop's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 58
Patient panel by sex, all payers
- Women63%
- Men37%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Gregory Nelson Roop takes part in Medicare
Gregory Roop accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Gregory Nelson Roop received $180 in industry payments in 2022
CMS Open Payments shows 1 general payment to Gregory Roop from 1 drug or device company in 2022. Food and beverage make up the largest share, 100% of the total. Edwards Lifesciences Corporation paid the most, $180.
Companies that paid Gregory Roop the most, 2022 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Gregory Nelson Roop graduated from University of South Carolina School of Medicine
Gregory Roop graduated from University of South Carolina School of Medicine in 2018.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Gregory Nelson Roop'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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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 Gregory Nelson Roop
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Gregory Nelson Roop's NPI number?
Gregory Nelson Roop's NPI number is 1346747128. It was assigned on April 9, 2018, and it is active in the NPI Registry.
What does Gregory Nelson Roop specialize in?
Gregory Nelson Roop is an anesthesiologist in Nashville, Tennessee. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Gregory Nelson Roop practice?
Gregory Roop practices at 1211 Medical Center Drive, Nashville, TN 37232. Gregory Roop's primary practice is Vanderbilt University Medical Center in Nashville, Tennessee, part of Vanderbilt University Medical Center. Dmand AI also links Gregory Roop to 1 group practice or clinic.
What is Gregory Nelson Roop's office phone number?
The practice phone on file for Gregory Roop is (615) 322-3454.
What is Gregory Nelson Roop's medical license number?
Gregory Roop holds Tennessee license 60690, one of the licenses on file in 2 states.
Which states has Gregory Nelson Roop been licensed in?
Dmand AI has state licenses on file for Gregory Roop in Tennessee and South Carolina.
Which hospitals is Gregory Nelson Roop affiliated with?
Gregory Roop practices at Vanderbilt University Medical Center in Nashville, Tennessee.
What medical group is Gregory Nelson Roop part of?
Gregory Roop is linked to Vanderbilt University Medical Center.
Does Gregory Nelson Roop accept Medicare?
Yes. CMS data shows Gregory Roop billed Medicare for 176 services in 2024, and Gregory Roop accepts Medicare assignment.
How many Medicare patients does Gregory Nelson Roop see?
CMS counts 333 Medicare patients who saw Gregory Roop in 2024, with an average age of 70.
Show 4 more questionsShow fewer questions
What services does Gregory Nelson Roop bill to Medicare?
In 2024, Gregory Roop's most billed Medicare services were anesthesia (00811), anesthesia (00731) and anesthesia (00142).
Where did Gregory Nelson Roop go to medical school?
Gregory Roop graduated from University of South Carolina School of Medicine in 2018.
Has Gregory Nelson Roop received payments from drug or device companies?
CMS Open Payments shows $180 in general payments to Gregory Roop from 1 company from 2022 to 2022. The largest total came from Edwards Lifesciences Corporation.
How long has Gregory Nelson Roop been practicing?
Gregory Roop graduated from medical school in 2018, 8 years ago.
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