Dr. Douglas R. Linfert, MD
- Medicare services, 2024
- 1,506
- Medicare patients, 2024
- 311
- Part D claims, 2024
- 732
- Hospital affiliations
- 5
- Industry payments
- $5,741
- Practice address
- 28 White Bridge Pike, Nashville, TN 37205
- Practice phone
- Call (615) 356-3999
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Rads of America, LLC
Nashville, Tennessee
Find Dr. Linfert'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. Douglas R. Linfert is a nephrologist in Nashville, Tennessee
Dr. Linfert practices at Rads of America, LLC in Nashville, Tennessee.
Dr. Linfert's NPI, 1710032255, was assigned on January 24, 2007. Dr. Linfert graduated from St. Louis College of Physicians and Surgeons in 2002. Dr. Linfert holds North Carolina license 2024-03562.
- NPI
- 1710032255NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7618041427
- NPI enumeration date
- January 24, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (615) 356-3999
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 50
- Medical school graduation
- 2002
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Douglas R. Linfert practices at Rads of America, LLC in Nashville, Tennessee
Dr. Linfert's primary practice is Rads of America, LLC, at 28 White Bridge Pike, Nashville, TN 37205 in Davidson County. The practice phone is (615) 356-3999.
- Rads of America, LLC28 White Bridge Pike, Nashville, TN 37205 · Davidson CountyPhone(615) 356-3999
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Douglas R. Linfert is affiliated with 12 sites of care and 4 medical groups
Dr. Linfert's primary practice is Rads of America, LLC in Nashville, Tennessee. Dr. Linfert is also affiliated with TriStar Centennial Medical Center. The medical group on file is Nephrology Associates. Dmand AI also links Dr. Linfert to 4 more hospitals, 3 dialysis centers, 3 group practices and clinics and 3 medical groups, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Douglas R. Linfert's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Linfert practices, 11 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Rads of America, LLC | Available with a free account |
| +11 more sites and 3 medical groups | 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 each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Douglas R. Linfert is one of 230 nephrologists in Tennessee
Nephrology is Dr. Linfert's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Linfert is licensed in North Carolina.
Specialties and state licenses
- Nephrology, North CarolinaPrimary
Nephrologists near Dr. Linfert
Counts of nephrologists 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. Douglas R. Linfert billed Medicare for 1,506 services in 2024
CMS data shows 1,506 Medicare services from Dr. Linfert across 11 procedure codes in 2024, for 311 Medicare patients. Medicare paid $104,715 for them.
Dr. Linfert's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,2722024: 1,2952%
- Tests and treatments
- 2023: 2402024: 13145%
- Other services
- 2023: 02024: 80
Where Dr. Linfert's Medicare services took place, 2024
- In an office32522%
- In a facility1,18178%
Dr. Linfert compared with the Tennessee median for nephrologists, 2024
- Dr. Linfert
- Tennessee median
- Medicare services
- 1,506vs 1,18727% above
- Medicare patients
- 311vs 37317% below
- Part D claims
- 594vs 85330% below
Medians across 228 nephrologists in Tennessee with Dmand AI profiles that report each measure.
Dr. Linfert'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 Dr. Linfert?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Linfert and other nephrologists in Tennessee.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Douglas R. Linfert treated 311 Medicare patients in 2024, average age 72
CMS counts 311 Medicare patients who saw Dr. Linfert in 2024. The largest group is 65 to 74, with 113 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 26% are also on Medicaid. Their average risk score is 4.27, 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. Linfert's median patient age at 72, with 50% women.
Dr. Linfert's Medicare patients by age, 2024
Dr. Linfert's Medicare patients by sex, 2024
- Women15149%
- Men16051%
Chronic conditions among Dr. Linfert's Medicare patients, 2024
- Chronic kidney disease75%
- High blood pressure75%
- High cholesterol75%
- Diabetes63%
- Heart failure62%
- Ischemic heart disease57%
- Arthritis50%
- Atrial fibrillation44%
Share of Medicare patients with each condition. A patient can have several.
Dr. Linfert'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. Douglas R. Linfert wrote 732 Medicare Part D claims in 2024
In 2024, Dr. Linfert wrote 732 Medicare Part D claims for 128 patients. 88% of them were for generic drugs. CMS names the drug for 594 of them, across 16 drugs with 11 or more claims each, at $136,788 in total drug cost. In 2023, CMS named 589 claims across 21 drugs.
Dr. Linfert's Part D claims by kind of drug, 2024
- Generic641 claims88%
- Brand-name and other91 claims12%
Dr. Linfert'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: 5892024: 5941%
Drugs named by CMS: 16 in 2024, 21 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
How Dr. Douglas R. Linfert takes part in Medicare
Dr. Linfert 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.
Dr. Douglas R. Linfert received $5,741 in industry payments from 2016 to 2025
CMS Open Payments shows 105 general payments to Dr. Linfert from 27 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 62% of the total. GlaxoSmithKline, LLC. paid the most, $3,575.
General payments to Dr. Linfert by program year, 2016 to 2025
General payments to Dr. Linfert by kind, 2016 to 2025
- Consulting fees$3,57562%
- Food and beverage$2,14837%
- Education$180%
Companies that paid Dr. Linfert the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Douglas R. Linfert graduated from St. Louis College of Physicians and Surgeons
Dr. Linfert graduated from St. Louis College of Physicians and Surgeons in 2002.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Douglas R. Linfert'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) |
| 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) |
| 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. Douglas R. Linfert
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. Douglas R. Linfert's NPI number?
Dr. Douglas R. Linfert's NPI number is 1710032255. It was assigned on January 24, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Douglas R. Linfert?
Dr. Douglas R. Linfert is a nephrologist in Nashville, Tennessee. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).
Where does Dr. Douglas R. Linfert practice?
Dr. Linfert practices at 28 White Bridge Pike, Nashville, TN 37205. Dr. Linfert's primary practice is Rads of America, LLC in Nashville, Tennessee. Dmand AI also links Dr. Linfert to 4 hospitals, 3 dialysis centers, 3 group practices and clinics and 3 medical groups.
What is Dr. Douglas R. Linfert's office phone number?
The practice phone on file for Dr. Linfert is (615) 356-3999.
What is Dr. Douglas R. Linfert's medical license number?
Dr. Linfert holds North Carolina license 2024-03562.
Which hospitals is Dr. Douglas R. Linfert affiliated with?
Dr. Linfert is affiliated with TriStar Centennial Medical Center. Dmand AI links Dr. Linfert to 4 more hospitals.
What medical group is Dr. Douglas R. Linfert part of?
Dr. Linfert is linked to Nephrology Associates. Dmand AI links Dr. Linfert to 3 more medical groups.
Does Dr. Douglas R. Linfert accept Medicare?
Yes. CMS data shows Dr. Linfert billed Medicare for 1,506 services in 2024, and Dr. Linfert accepts Medicare assignment.
How many Medicare patients does Dr. Douglas R. Linfert see?
CMS counts 311 Medicare patients who saw Dr. Linfert in 2024, with an average age of 72.
What services does Dr. Douglas R. Linfert bill to Medicare?
In 2024, Dr. Linfert's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99232) and hospital inpatient care (99223).
Show 4 more questionsShow fewer questions
Where did Dr. Douglas R. Linfert go to medical school?
Dr. Linfert graduated from St. Louis College of Physicians and Surgeons in 2002.
What drugs does Dr. Douglas R. Linfert prescribe most?
In 2024 Medicare Part D data, Dr. Linfert's most prescribed drugs by claims were Carvedilol, Allopurinol and Calcitriol.
Has Dr. Douglas R. Linfert received payments from drug or device companies?
CMS Open Payments shows $5,741 in general payments to Dr. Linfert from 27 companies from 2016 to 2025. The largest total came from GlaxoSmithKline, LLC.
How long has Dr. Douglas R. Linfert been practicing?
Dr. Linfert graduated from medical school in 2002, 24 years ago.
Selling to nephrology practices?
See nephrologists in Tennessee by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card