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Dr. James V. Gainer, MD
NPI1467544874PAC ID9830381318
- Medicare services, 2024
- 702
- Medicare patients, 2024
- 247
- Part D claims, 2024
- 6,140
- Clinical trials
- 1
- Hospital affiliations
- 4
- Practice address
- 3841 Green Hills Village Dr, Nashville, TN 37215
- Practice phone
- Call (615) 936-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Vanderbilt Medical Group
Nashville, Tennessee
Find Dr. Gainer's professional email, personal email and mobile number
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Dr. James V. Gainer is a hypertension specialist physician in Nashville, Tennessee
Dr. Gainer practices at Vanderbilt Medical Group in Nashville, Tennessee.
Dr. Gainer's NPI, 1467544874, was assigned on September 30, 2006. Dr. Gainer graduated from West Virginia University School of Medicine in 1990. Dr. Gainer holds Tennessee license 28182.
NPI and contact details
- NPI
- 1467544874NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9830381318
- NPI enumeration date
- September 30, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (615) 936-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 62
- Medical school graduation
- 1990
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. James V. Gainer practices at Vanderbilt Medical Group in Nashville, Tennessee
Dr. Gainer's primary practice is Vanderbilt Medical Group, at 3841 Green Hills Village Dr, Nashville, TN 37215 in Davidson County. The practice phone is (615) 936-2000.
- Vanderbilt Medical Group3841 Green Hills Village Dr, Nashville, TN 37215 · Davidson CountyPhone(615) 936-2000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. James V. Gainer is affiliated with 8 sites of care and 2 medical groups
Dr. Gainer's primary practice is Vanderbilt Medical Group in Nashville, Tennessee. Dr. Gainer is also affiliated with Vanderbilt University Medical Center. The medical group on file is Vanderbilt University Medical Center. Dmand AI also links Dr. Gainer to 3 more hospitals, 2 group practices and clinics, 1 home health agency and 1 medical group, each named with a free account.
Vanderbilt Medical GroupPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. James V. Gainer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gainer practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Vanderbilt Medical Group | Available with a free account |
| +7 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. James V. Gainer is one of 2 hypertension specialist physicians in Tennessee
Hypertension specialist is Dr. Gainer's primary specialty in the NPI Registry, under taxonomy code 207RH0005X. Dr. Gainer is licensed in Tennessee.
Specialties and state licenses
- Hypertension specialist, TennesseePrimary
Hypertension specialist physicians near Dr. Gainer
Counts of hypertension specialist physicians with a Dmand AI profile, by place and practice. Each opens the list.
2hypertension specialist physicians in Tennessee
2hypertension specialist physicians in Nashville
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. James V. Gainer billed Medicare for 702 services in 2024
CMS data shows 702 Medicare services from Dr. Gainer across 5 procedure codes in 2024, for 247 Medicare patients. Medicare paid $46,671 for them. Every service was in an office.
Medicare services, 2024702
Medicare patients247
Paid by Medicare$46,671
Procedure codes5
Dr. Gainer's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3612024: 41014%
- Other services
- 2023: 1292024: 292126%
Dr. Gainer'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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Source: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data
Dr. James V. Gainer treated 247 Medicare patients in 2024, average age 75
CMS counts 247 Medicare patients who saw Dr. Gainer in 2024. The largest group is 65 to 74, with 111 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 5% are also on Medicaid. Their average risk score is 1.19, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Gainer's median patient age at 72, with 50% women.
Medicare patients, 2024247
Average age75
Average risk score1.19
Also on Medicaid5%
Dr. Gainer's Medicare patients by age, 2024
Dr. Gainer's Medicare patients by sex, 2024
- Women13555%
- Men11245%
Chronic conditions among Dr. Gainer's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis52%
- Chronic kidney disease36%
- Diabetes30%
- Ischemic heart disease27%
- Atrial fibrillation21%
- Mood disorders21%
Share of Medicare patients with each condition. A patient can have several.
Dr. Gainer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women50%
- Men49%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. James V. Gainer wrote 6,140 Medicare Part D claims in 2024
In 2024, Dr. Gainer wrote 6,140 Medicare Part D claims for 336 patients. 90% of them were for generic drugs. CMS names the drug for 5,515 of them, across 100 drugs with 11 or more claims each, at $346,029 in total drug cost. In 2023, CMS named 5,221 claims across 99 drugs.
Part D claims, 20246,140
Drugs named by CMS100
Total drug cost$346,029
Part D patients336
Dr. Gainer's Part D claims by kind of drug, 2024
- Generic5,513 claims90%
- Brand-name610 claims10%
- Other17 claims0%
Dr. Gainer'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. Gainer's Part D claims, 2024
- Opioids2%103 of 6,140 claims
- Antibiotics1%67 of 6,140 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: 5,2212024: 5,5156%
Drugs named by CMS: 100 in 2024, 99 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. James V. Gainer offers telehealth to Medicare patients
Dr. Gainer accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Gainer as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. James V. Gainer has worked on 1 clinical trial
Dmand AI links Dr. Gainer to 1 clinical trial. 1 is still active or recruiting. Conditions studied include Essential Hypertension and Hypertension.
Conditions in Dr. Gainer's trials
- Essential Hypertension
- Hypertension
Investigators on the most trials with Dr. Gainer
- Josephine D. Abraham, MD1 shared trial
- Todd R. Adams, DO1 shared trial
- Christopher T. Bajzer, MD1 shared trial
Recent clinical trials with Dr. Gainer
Sources: ClinicalTrials.gov (National Library of Medicine); and Dmand AI Research Linkage
Dr. James V. Gainer received $28,245 in industry payments from 2023 to 2025
CMS Open Payments shows 31 general payments to Dr. Gainer from 2 drug and device companies from 2023 to 2025. Consulting fees make up the largest share, 42% of the total. Medtronic, Inc. paid the most, $28,221.
General payments to Dr. Gainer by program year, 2023 to 2025
General payments to Dr. Gainer by kind, 2023 to 2025
$28.2Kin total
- Consulting fees$12,00042%
- Speaker and faculty fees$8,43830%
- Travel and lodging$6,74924%
- Food and beverage$1,0594%
Companies that paid Dr. Gainer the most, 2023 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. James V. Gainer graduated from West Virginia University School of Medicine
Dr. Gainer graduated from West Virginia University School of Medicine in 1990.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. James V. Gainer'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| 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) |
| Clinical trials and co-investigators | ClinicalTrials.gov (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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 Dr. James V. Gainer
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. James V. Gainer's NPI number?
Dr. James V. Gainer's NPI number is 1467544874. It was assigned on September 30, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. James V. Gainer?
Dr. James V. Gainer is a hypertension specialist physician in Nashville, Tennessee. The primary specialty in the NPI Registry is Hypertension Specialist Physician (taxonomy code 207RH0005X).
Where does Dr. James V. Gainer practice?
Dr. Gainer practices at 3841 Green Hills Village Dr, Nashville, TN 37215. Dr. Gainer's primary practice is Vanderbilt Medical Group in Nashville, Tennessee. Dmand AI also links Dr. Gainer to 3 hospitals, 2 group practices and clinics, 1 home health agency and 1 medical group.
What is Dr. James V. Gainer's office phone number?
The practice phone on file for Dr. Gainer is (615) 936-2000.
What is Dr. James V. Gainer's medical license number?
Dr. Gainer holds Tennessee license 28182.
Which hospitals is Dr. James V. Gainer affiliated with?
Dr. Gainer is affiliated with Vanderbilt University Medical Center. Dmand AI links Dr. Gainer to 3 more hospitals.
What medical group is Dr. James V. Gainer part of?
Dr. Gainer is linked to Vanderbilt University Medical Center. Dmand AI links Dr. Gainer to 1 more medical group.
Does Dr. James V. Gainer accept Medicare?
Yes. CMS data shows Dr. Gainer billed Medicare for 702 services in 2024, and Dr. Gainer accepts Medicare assignment.
Does Dr. James V. Gainer offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Gainer as offering telehealth services.
How many Medicare patients does Dr. James V. Gainer see?
CMS counts 247 Medicare patients who saw Dr. Gainer in 2024, with an average age of 75.
Show 6 more questionsShow fewer questions
What services does Dr. James V. Gainer bill to Medicare?
In 2024, Dr. Gainer's most billed Medicare services were office visit, established patient (99214), medicare service (G2211) and medicare service (G0439).
Where did Dr. James V. Gainer go to medical school?
Dr. Gainer graduated from West Virginia University School of Medicine in 1990.
What drugs does Dr. James V. Gainer prescribe most?
In 2024 Medicare Part D data, Dr. Gainer's most prescribed drugs by claims were Atorvastatin Calcium, Gabapentin and Spironolactone.
Has Dr. James V. Gainer received payments from drug or device companies?
CMS Open Payments shows $28,245 in general payments to Dr. Gainer from 2 companies from 2023 to 2025. The largest total came from Medtronic, Inc.
How long has Dr. James V. Gainer been practicing?
Dr. Gainer graduated from medical school in 1990, 36 years ago.
Does Dr. James V. Gainer do research?
Dr. Gainer has worked on 1 clinical trial.
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