MARY E NELSON MD
NPI 1518165745
Internal Medicine in Knoxville, TN

Active since July 10, 2007PECOS EnrolledAccepts Medicare Assignment
95.69/100
CMS Quality Rating
1819 CLINCH AVE STE 114, KNOXVILLE, TN 37916(865) 524-1631 Get Directions Write a Review

NPPES record last updated: November 21, 2023. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Nov 21, 2023, Oct 18, 2023, Sep 30, 2015 (3 updates tracked since 2015).

About Mary E Nelson Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARY E NELSON MD (NPI 1518165745) is an individual internal medicine provider in Knoxville, Tennessee, licensed in Tennessee (42558) and active in the NPI registry since July 2007. She is enrolled in Medicare PECOS, is affiliated with University Health System, Inc, and is a graduate of University Of Tennessee, Hsc, College Of Medicine (2004).

NPPES Registry Identity

NPI1518165745
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameMARY E NELSONCredential: MD
Location Address1819 CLINCH AVE STE 114Knoxville, TN 37916-2435
Mailing AddressPo Box 26194Belfast, ME 04915-2012 · (865) 584-4747 · Fax (865) 670-6198
Sole ProprietorNo
Medical School CMSUniversity Of Tennessee, Hsc, College Of MedicineGraduated 2004
Enumeration DateJuly 10, 2007
Last NPPES UpdateNovember 21, 20233 updates tracked since enumeration
NPPES CertifiedNovember 21, 2023
NPI 1518165745 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in TN · 42558
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedHospitalistTaxonomy 208M00000X · License 42558 (TN)
1819 CLINCH AVE STE 114, Knoxville, TN 37916

Other Identifiers 1

Medicaid3000477TN

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Mary E Nelson Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8224122049
PECOS Enrollment IDI20070924000365
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 23

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
165 services78 patients
Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
161 services76 patients
Blood test, comprehensive group of blood chemicals 80053
A comprehensive group of blood chemicals test, also known as a comprehensive metabolic panel, is a blood test that measures your sugar level, electrolyte and fluid balance, kidney function, and liver function. This helps to check your body's overall health.
103 services66 patients
Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 85025
A Complete Blood Cell Count is a common test that measures various components of the blood, including red cells (carry oxygen), white cells (fight infection), and platelets (help blood clot). An automated test ensures accuracy. The differential count provides detailed information about white cell types.
98 services66 patients
Blood test, lipids (cholesterol and triglycerides) 80061
A lipid panel is a blood test that measures fats and fatty substances, such as cholesterol and triglycerides. These substances are used by your body as a source of energy. High levels can lead to health issues, including heart disease.
77 services58 patients
Blood test, thyroid stimulating hormone (tsh) 84443
A TSH blood test measures the level of thyroid stimulating hormone in your body. This hormone is produced by the pituitary gland and regulates how your thyroid works. It's a simple procedure where a small amount of blood is drawn from your arm for analysis.
55 services48 patients

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

University Health System, Inc

Acute Care Hospitals · Knoxville, TN
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number440015
Location1924 Alcoa HighwayKnoxville, TN 37920 · Knox County
Emergency services Birthing friendly

Physicians Regional Medical Center

Acute Care Hospitals · Powell, TN
2/5 CMS rating
OwnershipProprietary
CMS Certification Number440120
Location7565 Dannaher Way PowellPowell, TN 37849 · Knox County
Emergency services Birthing friendly

Fort Sanders Regional Medical Center

Acute Care Hospitals · Knoxville, TN
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number440125
Location1901 W Clinch AveKnoxville, TN 37916 · Knox County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 37916 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$121.80 typical visit price
range $52.64 – $160.89
Typical copayment $30.45 (range $13.16 – $40.22)
Most-billed visit code 99204
Established Patient
$93.60 typical visit price
range $16.72 – $131.41
Typical copayment $23.40 (range $4.18 – $32.85)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

95.69/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality85.28
Promoting Interoperability100
Improvement Activities40

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
3 suppliers14 claims14 services$14.66 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
3 suppliers14 claims14 services$80.69 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 7

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Nurse Practitioner (Family)
1819 CLINCH AVE STE 114
KNOXVILLE, TN 37916
Internal Medicine
1819 CLINCH AVE STE 114
KNOXVILLE, TN 37916
Physician Assistant
1819 CLINCH AVE STE 114
KNOXVILLE, TN 37916
Internal Medicine
1819 CLINCH AVE STE 114
KNOXVILLE, TN 37916
Physician Assistant (Medical)
1819 CLINCH AVE STE 114
KNOXVILLE, TN 37916
Nurse Practitioner (Family)
1819 CLINCH AVE STE 114
KNOXVILLE, TN 37916
Family Medicine
1819 CLINCH AVE STE 114
KNOXVILLE, TN 37916

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mary Nelson's NPI number?

The NPI number for Mary Nelson is 1518165745. It was assigned to this individual provider in the NPPES registry on July 10, 2007.

Where is Mary Nelson located?

Mary Nelson practices at 1819 Clinch Ave Ste 114, Knoxville, TN 37916. The listed phone number is (865) 524-1631.

What is Mary Nelson's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Mary Nelson enrolled in Medicare?

Yes. Mary Nelson is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Mary Nelson accept?

Health plans from Alliant Health Plans, Inc., Ambetter from Arkansas Health & Wellness, Ambetter from Home State Health, Ambetter from Magnolia Health and Ambetter of Alabama and 4 other insurers list Mary Nelson as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Mary Nelson affiliated with any hospitals?

According to CMS data, Mary Nelson is affiliated with University Health System, Inc, Physicians Regional Medical Center and Fort Sanders Regional Medical Center.

When was this NPI record last updated?

The NPPES record for Mary Nelson was last updated on November 21, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.