Dr. John G. Niethammer III, MD
- Medicare services, 2024
- 2,814
- Medicare patients, 2024
- 2,127
- MIPS score, 2024
- 91
- Hospital affiliations
- 1
- Industry payments
- $12
- Practice address
- 907 E Lamar Alexander Parkway, Maryville, TN 37804
- Practice phone
- Call (865) 983-7211
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Niethammer'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. John G. Niethammer III is a diagnostic radiologist in Maryville, Tennessee
Dr. Niethammer practices at Prisma Health Blount Memorial Hospital in Maryville, Tennessee, part of Prisma Health.
Dr. Niethammer's NPI, 1255392429, was assigned on March 29, 2006. Dr. Niethammer graduated from University of Tennessee, Hsc, College of Medicine in 1987. Dr. Niethammer holds Tennessee license 19296.
- NPI
- 1255392429NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2466434329
- NPI enumeration date
- March 29, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (865) 983-7211
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 65
- Medical school graduation
- 1987
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John G. Niethammer III practices at Prisma Health Blount Memorial Hospital in Maryville, Tennessee
Dr. Niethammer's primary practice is Prisma Health Blount Memorial Hospital, at 907 E Lamar Alexander Parkway, Maryville, TN 37804 in Blount County. The practice phone is (865) 983-7211.
- Prisma Health Blount Memorial Hospital907 E Lamar Alexander Parkway, Maryville, TN 37804 · Blount CountyPhone(865) 983-7211
Source: Dmand AI Affiliation Data
Dr. John G. Niethammer III is affiliated with 1 site of care and 1 medical group
Dr. Niethammer's primary practice is Prisma Health Blount Memorial Hospital in Maryville, Tennessee, part of Prisma Health. The medical group on file is LeConte Radiology, PC.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. John G. Niethammer III's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Niethammer practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Prisma Health Blount Memorial Hospital | 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 Prisma Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. John G. Niethammer III is one of 691 diagnostic radiologists in Tennessee
Diagnostic radiology is Dr. Niethammer's primary specialty in the NPI Registry, under taxonomy code 2085R0202X. Dr. Niethammer is licensed in Tennessee.
Specialties and state licenses
- Diagnostic radiology, TennesseePrimary
Diagnostic radiologists near Dr. Niethammer
Counts of diagnostic radiologists 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. John G. Niethammer III billed Medicare for 2,814 services in 2024
CMS data shows 2,814 Medicare services from Dr. Niethammer across 45 procedure codes in 2024, for 2,127 Medicare patients. Medicare paid $47,996 for them.
Dr. Niethammer's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Imaging
- 2023: 2,1362024: 2,64424%
- Tests and treatments
- 2023: 1792024: 15414%
- Other services
- 2023: 182024: 1611%
- Surgery
- 2023: 132024: 0100%
Where Dr. Niethammer's Medicare services took place, 2024
- In an office86831%
- In a facility1,94669%
Dr. Niethammer compared with the Tennessee median for diagnostic radiologists, 2024
- Dr. Niethammer
- Tennessee median
- Medicare services
- 2,814vs 2,869Close to median
- Medicare patients
- 2,127vs 1,77220% above
Medians across 703 diagnostic radiologists in Tennessee with Dmand AI profiles that report each measure.
Dr. Niethammer'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. Niethammer?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Niethammer and other diagnostic radiologists in Tennessee.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John G. Niethammer III treated 2,127 Medicare patients in 2024, average age 75
CMS counts 2,127 Medicare patients who saw Dr. Niethammer in 2024. The largest group is 65 to 74, with 931 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 7% are also on Medicaid. Their average risk score is 1.36, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Niethammer's median patient age at 61, with 59% women.
Dr. Niethammer's Medicare patients by age, 2024
Dr. Niethammer's Medicare patients by sex, 2024
- Women1,34663%
- Men78137%
Chronic conditions among Dr. Niethammer's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis61%
- Ischemic heart disease34%
- Chronic kidney disease33%
- Diabetes33%
- Anxiety30%
- COPD29%
Share of Medicare patients with each condition. A patient can have several.
Dr. Niethammer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women59%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John G. Niethammer III scored 91 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 91 out of 100 for Dr. Niethammer for performance year 2024, reported as part of a group. Dr. Niethammer accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Niethammer's MIPS scores, performance year 2024
- 91of 100Final score
- 93.8of 100Quality
- 40of 100Improvement Activities
- 80of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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. John G. Niethammer III received $12 in industry payments in 2020
CMS Open Payments shows 1 general payment to Dr. Niethammer from 1 drug or device company in 2020. Food and beverage make up the largest share, 100% of the total. GlaxoSmithKline, LLC. paid the most, $12.
Companies that paid Dr. Niethammer the most, 2020 to 2020
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John G. Niethammer III graduated from University of Tennessee, Hsc, College of Medicine
Dr. Niethammer graduated from University of Tennessee, Hsc, College of Medicine in 1987.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. John G. Niethammer III'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)Clinician Public Reporting: Overall MIPS Performance (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. John G. Niethammer III
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. John G. Niethammer III's NPI number?
Dr. John G. Niethammer III's NPI number is 1255392429. It was assigned on March 29, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John G. Niethammer III?
Dr. John G. Niethammer III is a diagnostic radiologist in Maryville, Tennessee. The primary specialty in the NPI Registry is Diagnostic Radiology Physician (taxonomy code 2085R0202X).
Where does Dr. John G. Niethammer III practice?
Dr. Niethammer practices at 907 E Lamar Alexander Parkway, Maryville, TN 37804. Dr. Niethammer's primary practice is Prisma Health Blount Memorial Hospital in Maryville, Tennessee, part of Prisma Health.
What is Dr. John G. Niethammer III's office phone number?
The practice phone on file for Dr. Niethammer is (865) 983-7211.
What is Dr. John G. Niethammer III's medical license number?
Dr. Niethammer holds Tennessee license 19296.
Which hospitals is Dr. John G. Niethammer III affiliated with?
Dr. Niethammer practices at Prisma Health Blount Memorial Hospital in Maryville, Tennessee.
What medical group is Dr. John G. Niethammer III part of?
Dr. Niethammer is linked to LeConte Radiology, PC.
Does Dr. John G. Niethammer III accept Medicare?
Yes. CMS data shows Dr. Niethammer billed Medicare for 2,814 services in 2024, and Dr. Niethammer accepts Medicare assignment.
What is Dr. John G. Niethammer III's MIPS score?
Dr. Niethammer's MIPS final score for performance year 2024 is 91 out of 100, reported as part of a group.
How many Medicare patients does Dr. John G. Niethammer III see?
CMS counts 2,127 Medicare patients who saw Dr. Niethammer in 2024, with an average age of 75.
Show 4 more questionsShow fewer questions
What services does Dr. John G. Niethammer III bill to Medicare?
In 2024, Dr. Niethammer's most billed Medicare services were diagnostic imaging (71045), diagnostic imaging (71046) and radiation oncology (77080).
Where did Dr. John G. Niethammer III go to medical school?
Dr. Niethammer graduated from University of Tennessee, Hsc, College of Medicine in 1987.
Has Dr. John G. Niethammer III received payments from drug or device companies?
CMS Open Payments shows $12 in general payments to Dr. Niethammer from 1 company from 2020 to 2020. The largest total came from GlaxoSmithKline, LLC.
How long has Dr. John G. Niethammer III been practicing?
Dr. Niethammer graduated from medical school in 1987, 39 years ago.
Selling to diagnostic radiology practices?
See diagnostic radiologists 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