Dr. Mary E. Nelson, MD
- Medicare services, 2024
- 1,139
- Medicare patients, 2024
- 97
- Part D claims, 2024
- 1,501
- Hospital affiliations
- 3
- Industry payments
- $2,416
- Practice address
- 1924 Alcoa Highway, Knoxville, TN 37920
- Practice phone
- Call (865) 305-9000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Nelson's professional email, personal email and mobile number
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Dr. Mary E. Nelson is an internist in Knoxville, Tennessee
Dr. Nelson practices at The University of Tennessee Medical Center in Knoxville, Tennessee, part of Ut Medical.
Dr. Nelson's NPI, 1518165745, was assigned on July 10, 2007. Dr. Nelson graduated from University of Tennessee, Hsc, College of Medicine in 2004. Dr. Nelson holds Tennessee license 42558.
- NPI
- 1518165745NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8224122049
- NPI enumeration date
- July 10, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (865) 305-9000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 48
- Medical school graduation
- 2004
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mary E. Nelson practices at The University of Tennessee Medical Center in Knoxville, Tennessee
Dr. Nelson's primary practice is The University of Tennessee Medical Center, at 1924 Alcoa Highway, Knoxville, TN 37920 in Knox County. The practice phone is (865) 305-9000.
- The University of Tennessee Medical Center1924 Alcoa Highway, Knoxville, TN 37920 · Knox CountyPhone(865) 305-9000
Source: Dmand AI Affiliation Data
Dr. Mary E. Nelson is affiliated with 6 sites of care and 3 medical groups
Dr. Nelson's primary practice is The University of Tennessee Medical Center in Knoxville, Tennessee, part of Ut Medical. Dr. Nelson is also affiliated with Fort Sanders Regional Medical Center. The medical group on file is Summit Medical Group. Dmand AI also links Dr. Nelson to 1 more hospital, 3 group practices and clinics and 2 medical groups, 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. Mary E. Nelson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nelson practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| The University of Tennessee Medical Center | Available with a free account |
| +5 more sites and 2 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 Ut Medical and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Mary E. Nelson is one of 2,427 internists in Tennessee
Internal medicine is Dr. Nelson's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Nelson is licensed in Tennessee.
Specialties and state licenses
- Internal medicine, TennesseePrimary
Internists near Dr. Nelson
Counts of internists 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. Mary E. Nelson billed Medicare for 1,139 services in 2024
CMS data shows 1,139 Medicare services from Dr. Nelson across 24 procedure codes in 2024, for 97 Medicare patients. Medicare paid $28,931 for them. Every service was in an office.
Dr. Nelson's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Lab and pathology
- 2023: 02024: 623
- Office and hospital visits
- 2023: 4532024: 19557%
- Surgery
- 2023: 02024: 161
- Other services
- 2023: 02024: 121
- Tests and treatments
- 2023: 02024: 27
- Imaging
- 2023: 02024: 12
Dr. Nelson compared with the Tennessee median for internists, 2024
- Dr. Nelson
- Tennessee median
- Medicare services
- 1,139vs 67170% above
- Medicare patients
- 97vs 22256% below
- Part D claims
- 1,041vs 3343.1 times
Medians across 2,462 internists in Tennessee with Dmand AI profiles that report each measure.
Dr. Nelson'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. Nelson?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Nelson and other internists in Tennessee.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mary E. Nelson treated 97 Medicare patients in 2024, average age 72
CMS counts 97 Medicare patients who saw Dr. Nelson in 2024. The largest group is 65 to 74, with 58 patients. 75% of them have high blood pressure, and 69% have high cholesterol. Their average risk score is 1.04, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Nelson's median patient age at 59, with 73% women.
Dr. Nelson's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Nelson's Medicare patients by sex, 2024
- Women7274%
- Men2526%
Chronic conditions among Dr. Nelson's Medicare patients, 2024
- High blood pressure75%
- High cholesterol69%
- Arthritis47%
- Anxiety36%
- Ischemic heart disease29%
- Diabetes27%
- COPD20%
- Chronic kidney disease20%
Share of Medicare patients with each condition. A patient can have several.
Dr. Nelson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 59
Patient panel by sex, all payers
- Women73%
- Men27%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Mary E. Nelson wrote 1,501 Medicare Part D claims in 2024
In 2024, Dr. Nelson wrote 1,501 Medicare Part D claims for 192 patients. 87% of them were for generic drugs. CMS names the drug for 1,041 of them, across 45 drugs with 11 or more claims each, at $74,958 in total drug cost. In 2023, CMS named 133 claims across 9 drugs.
Dr. Nelson's Part D claims by kind of drug, 2024
- Generic1,301 claims87%
- Brand-name and other200 claims13%
Dr. Nelson'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. Nelson's Part D claims, 2024
- Antibiotics6%92 of 1,501 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: 1332024: 1,041683%
Drugs named by CMS: 45 in 2024, 9 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. Mary E. Nelson takes part in Medicare
Dr. Nelson 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)
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Dr. Mary E. Nelson received $2,416 in industry payments from 2016 to 2025
CMS Open Payments shows 131 general payments to Dr. Nelson from 28 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $402.
General payments to Dr. Nelson by program year, 2016 to 2025
Companies that paid Dr. Nelson 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. Mary E. Nelson graduated from University of Tennessee, Hsc, College of Medicine
Dr. Nelson graduated from University of Tennessee, Hsc, College of Medicine in 2004.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Mary E. Nelson'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) |
| 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. Mary E. Nelson
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. Mary E. Nelson's NPI number?
Dr. Mary E. Nelson's NPI number is 1518165745. It was assigned on July 10, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Mary E. Nelson?
Dr. Mary E. Nelson is an internist in Knoxville, Tennessee. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Mary E. Nelson practice?
Dr. Nelson practices at 1924 Alcoa Highway, Knoxville, TN 37920. Dr. Nelson's primary practice is The University of Tennessee Medical Center in Knoxville, Tennessee, part of Ut Medical. Dmand AI also links Dr. Nelson to 1 hospital, 3 group practices and clinics and 2 medical groups.
What is Dr. Mary E. Nelson's office phone number?
The practice phone on file for Dr. Nelson is (865) 305-9000.
What is Dr. Mary E. Nelson's medical license number?
Dr. Nelson holds Tennessee license 42558.
Which hospitals is Dr. Mary E. Nelson affiliated with?
Dr. Nelson practices at The University of Tennessee Medical Center in Knoxville, Tennessee. Dr. Nelson is also affiliated with Fort Sanders Regional Medical Center. Dmand AI links Dr. Nelson to 1 more hospital.
What medical group is Dr. Mary E. Nelson part of?
Dr. Nelson is linked to Summit Medical Group. Dmand AI links Dr. Nelson to 2 more medical groups.
Does Dr. Mary E. Nelson accept Medicare?
Yes. CMS data shows Dr. Nelson billed Medicare for 1,139 services in 2024, and Dr. Nelson accepts Medicare assignment.
How many Medicare patients does Dr. Mary E. Nelson see?
CMS counts 97 Medicare patients who saw Dr. Nelson in 2024, with an average age of 72.
What services does Dr. Mary E. Nelson bill to Medicare?
In 2024, Dr. Nelson's most billed Medicare services were office visit, established patient (99214), surgery: heart and blood vessels (36415) and lab and pathology test (80053).
Show 4 more questionsShow fewer questions
Where did Dr. Mary E. Nelson go to medical school?
Dr. Nelson graduated from University of Tennessee, Hsc, College of Medicine in 2004.
What drugs does Dr. Mary E. Nelson prescribe most?
In 2024 Medicare Part D data, Dr. Nelson's most prescribed drugs by claims were Gabapentin, Rosuvastatin Calcium and Atorvastatin Calcium.
Has Dr. Mary E. Nelson received payments from drug or device companies?
CMS Open Payments shows $2,416 in general payments to Dr. Nelson from 28 companies from 2016 to 2025. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Mary E. Nelson been practicing?
Dr. Nelson graduated from medical school in 2004, 22 years ago.
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