Heather Massengill, APN

Acute Care Nurse Practitioner

Nurse Practitioner

Heather Massengill is an Acute Care Nurse Practitioner based in Knoxville, TN with over 11 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.

(865) 227-8296Knoxville, TN
Telehealth Available
NPI Active per CMS — Q2 2026|Medicare Enrolled|Order & Refer

Patients across TN can see Heather Massengill, APN in person in Knoxville or via virtual visit — no travel required. She graduated from Vanderbilt University School of Medicine in 2015 and has 11+ years of clinical experience. Among her Medicare patients, common conditions include hypertension, high cholesterol, and Alzheimer's/dementia (per CMS data). CMS MIPS quality score: 95.69/100 (2023).

At a glance

  • Uses generic medications more than 95% of reporting doctors in Tennessee
  • Federal MIPS score higher than 39% of MIPS-scored doctors in Tennessee
  • Virtual visits available — no app or travel required
1 of 71 Nurse Practitioner providers in TNSee all Nurse Practitioner in Knoxville11+ years experienceNPI since 2015

Older · 3377dNPPES updated 2017-02-22 · verify NPI on CMS · Verify license at Tennessee Board of Medical Examiners

Contact & Location

Practice Location

1924 Alcoa Hwy Box 52, Knoxville, TN 37920-1511

CMS Clinical Data

How Does This Doctor Compare?

Based on Medicare data, this doctor favors affordable generic drugs over brand-name ones.

MIPS Score

2023

95.69/100

Tennessee avg: 89 · US avg: 83.6

Higher than most doctors nationally(+12.1 pts)

How the government rates this doctor's Medicare care quality. Scores above 75 are considered good.

Generic Rx

↑ Higher = better

98.9%

Tennessee avg: 83.2 · US avg: 82.8

Higher than most doctors nationally(+16.1 pts)

Top 5% of reporting doctors in Tennessee

How often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.

Medicare Patients

320

Unique beneficiaries

Standard volume

Prescription Recipients

282

Patients prescribed

Prescriptions Written

1,157

Total claims

Total Medicare drug cost: $51k

Percentile rankings compared against 1,167 reporting peers in Tennessee.

Data Note: Sourced from CMS Medicare Provider Utilization & Payment Data. Percentile rankings compare this provider against all peers with reported data in the same state. Updated annually to reflect the latest federal reporting cycle.

Patient Condition Panel

What This Doctor Treats Most

Based on Medicare claims data — here's what patients commonly see this doctor for

Based on Medicare data, this doctor primarily manages Hypertension, High Cholesterol, and Alzheimer's / Dementia.

Hypertension
Higher than avg (+5%)75%

High blood pressure — a leading risk factor for heart disease and stroke

US avg: 70.2%

↑ More patients than average (+5%) — a focus area for this doctor

High Cholesterol
Higher than avg (+5%)75%

Elevated cholesterol or triglycerides that increase heart disease risk

US avg: 70.4%

↑ More patients than average (+5%) — a focus area for this doctor

Alzheimer's / Dementia
71%

Progressive brain disorders causing memory loss and cognitive decline

Arthritis
Lower than avg (-1%)48%

Joint inflammation causing pain, swelling, and stiffness

US avg: 49.3%

↓ Fewer patients than average (-1%) — less common here

Mood Disorders
42%

Conditions affecting emotional state, including depression and bipolar disorder

Depression
Higher than avg (+8%)40%

A mood disorder causing persistent sadness and loss of interest in activities

US avg: 31.8%

↑ More patients than average (+8%) — a focus area for this doctor

Anxiety Disorders
Higher than avg (+6%)40%

Excessive worry or fear that interferes with daily life

US avg: 34.1%

↑ More patients than average (+6%) — a focus area for this doctor

Diabetes
Lower than avg (-1%)33%

A condition where the body cannot properly regulate blood sugar levels

US avg: 34.5%

↓ Fewer patients than average (-1%) — less common here

GeneralBehavioralNational avg

Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.

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Background & Specialty

Education, training, and specialty classification from CMS NPPES and Medicare records.

Career Journey
  1. Graduated medical school · 2015

    Vanderbilt University School of Medicine

  2. 11 years in practice

    Established

Nurse PractitionerAcute Care in KnoxvillePhysician Assistants & Advanced Practice Nursing Providers

Definition to come...

Taxonomy: 363LA2100X

Education & Training

Vanderbilt University School of Medicine (Class of 2015)

Virtual Acute Care Care With Heather Massengill

NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.

Schedule a virtual visit with Heather Massengill for blood pressure monitoring, cholesterol management, cognitive care — no travel to Knoxville required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes. Medicare enrolled per CMS records.

Frequently Asked Questions

Common questions about Heather Massengill

Dr. Massengill is listed as active in the NPI registry with telehealth listed in Knoxville, TN. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (865) 227-8296.

Verified across 5 federal data sources

Sourced from CMS NPPES · OIG LEIE · CMS QPP 2023 · CMS Medicare Part D · CMS Physician Comparator. See Data Methodology.

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Medical Disclaimer: NPI Telehealth is a provider directory for informational purposes only. This page does not constitute medical advice, diagnosis, or treatment recommendations. Provider data is sourced from the CMS NPPES federal registry and public Medicare datasets. NPI Telehealth does not verify clinical qualifications beyond federal records. Data may not reflect real-time availability — always contact the provider's office directly to confirm details before seeking care.

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