JENNIFER LEIGH MCMILLEN MD
NPI 1295982098
Internal Medicine in Knoxville, TN

Q: What is Jennifer Mcmillen's NPI number?

The NPI number for Jennifer Mcmillen is 1295982098. It was assigned to this individual provider in the NPPES registry on August 22, 2008.

Q: What is Jennifer Mcmillen's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Jennifer Mcmillen was last updated on October 11, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.

Active since August 22, 2008PECOS EnrolledAccepts Medicare Assignment

9333 PARK WEST BLVD, KNOXVILLE, TN 37923(865) 531-4600(865) 690-2271 Get Directions Write a Review

NPPES record last updated: October 11, 2013. Verified against the NPPES registry weekly; last sync: October 18, 2026.

On this page

About Jennifer Leigh Mcmillen Md NPPES

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

JENNIFER LEIGH MCMILLEN MD (NPI 1295982098) is an individual internal medicine provider in Knoxville, Tennessee, licensed in Tennessee (MD47406) and active in the NPI registry since August 2008. She is enrolled in Medicare PECOS, is affiliated with University Health System, Inc, and is a graduate of Other (2008).

NPPES Registry Identity

NPI1295982098

Entity TypeIndividualFemale

Primary Taxonomy207R00000X

Provider Legal NameJENNIFER LEIGH MCMILLENCredential: MD

Location Address9333 PARK WEST BLVDKnoxville, TN 37923-4341

Mailing Address1225 E Weisgarber Rd, Suite 200Knoxville, TN 37909-2604 · (865) 584-4747 · Fax (865) 584-1363

Phone(865) 531-4600

Fax(865) 690-2271

Sole ProprietorNo

Medical School CMSOtherGraduated 2008

Enumeration DateAugust 22, 2008

Last NPPES UpdateOctober 11, 2013

✔ NPI 1295982098 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in TN · MD47406

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.

9333 PARK WEST BLVD, Knoxville, TN 37923

Open in Google Maps ↗

Other Identifiers 1

OtherMD47406TN · License

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Alliant Health Plans, Inc., Ambetter from Arkansas Health & Wellness, Ambetter Health and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Jennifer Leigh Mcmillen 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 ID2163693177

PECOS Enrollment IDI20110923000412

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.

Medicare Billing Reassignment

Medicare enrollment records show Jennifer Mcmillen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Summit Medical Group, PLLC

Same address

Infusion Therapy

9333 PARK WEST BLVD STE 102B
Knoxville, TN 37923

Reassigned Medicare billing, Tennessee enrollment
1,003 clinicians in this Medicare group

NPI 1891442380 (865) 684-1560

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 34

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.

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.

740 services436 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.

594 services407 patients

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.

585 services367 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.

530 services406 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.

459 services371 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

373 services232 patients

Hemoglobin a1c level 83036

Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.

316 services228 patients

Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439

An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.

189 services189 patients

Annual depression screening, 5 to 15 minutes G0444

An annual depression screening is a short, routine evaluation to check for signs of depression. It involves answering a series of questions about your feelings, thoughts, and behaviors. The process takes about 15 minutes and helps detect depression early for better management.

178 services178 patients

Vitamin d-3 level 82306

A Vitamin D-3 level test measures the amount of Vitamin D-3, a crucial nutrient, in your body. This test helps identify if your levels are too low or too high. Low levels may lead to bone weakness, while high levels could harm your kidneys. It's a simple blood test.

159 services149 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.

150 services119 patients

Injection of drug or substance under skin or into muscle 96372

This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.

132 services31 patients

Administration of influenza virus vaccine G0008

The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.

67 services67 patients

Urine microalbumin (protein) level 82043

The urine microalbumin level test measures the amount of a protein called albumin in your urine. This test helps to detect early signs of kidney damage. High levels of albumin may suggest your kidneys aren't functioning properly. It's a simple, non-invasive test that involves providing a urine sample.

66 services61 patients

Creatinine level to test for kidney function or muscle injury 82570

A creatinine level test measures the amount of creatinine in your blood. This substance is a waste product from normal muscle use. Higher levels can indicate possible kidney dysfunction or muscle injury. This test helps monitor kidney health.

66 services61 patients

Influenza vaccine split virus, preservative free 90662

The Influenza Vaccine Split Virus, preservative-free, is a flu shot to protect against the influenza virus. It is made from parts of inactivated flu viruses and doesn't contain preservatives, reducing potential side effects. It helps your body develop immunity to the flu.

62 services62 patients

Cyanocobalamin (vitamin b-12) level 82607

A Cyanocobalamin (Vitamin B-12) level test is a blood test that checks the amount of Vitamin B-12 in your body. This vitamin is vital for nerve function and the creation of red blood cells. Low or high levels could indicate a potential health issue.

60 services54 patients

Thyroxine (thyroid chemical), free 84439

The Thyroxine (thyroid chemical), free test is a blood test that measures the level of free T4 in your body. T4 is a hormone produced by your thyroid gland and is essential for growth and metabolism. If your T4 levels are too high or too low, it could indicate a thyroid disorder.

60 services48 patients

Iron level 83540

An iron level test measures the amount of iron in your blood. Iron is crucial for producing hemoglobin, a protein in red blood cells that carries oxygen throughout your body. This test helps identify iron deficiencies or excesses, which can lead to conditions like anemia or hemochromatosis.

57 services45 patients

Transferrin (iron binding protein) level 84466

A transferrin level test measures the amount of transferrin, a protein that carries iron, in your blood. This can help determine if your body has an iron deficiency or overload. It's a simple blood test and can provide valuable information about your overall health.

56 services44 patients

Manual urinalysis test with examination using microscope, automated 81001

A manual urinalysis test with automated microscopic examination is a lab process that checks your urine for health indicators. It involves a machine scanning your sample to identify any abnormal elements, which can assist in diagnosing various conditions.

49 services42 patients

Ferritin (blood protein) level 82728

A Ferritin level test measures the amount of ferritin, a protein that stores iron, in your blood. It helps determine how much iron your body is storing. If levels are low, it may indicate iron deficiency, while high levels could signify conditions like iron overload.

46 services38 patients

Prostate cancer screening; prostate specific antigen test (psa) G0103

Prostate cancer screening involves a simple blood test known as the Prostate Specific Antigen (PSA) test. This test measures the level of PSA in your blood. Higher than normal levels can be an early indication of prostate issues, including cancer. It's a key tool in early detection.

44 services44 patients

X-ray of chest, 2 views 71046

A chest X-ray, 2 views, is a quick, painless test that creates pictures of the structures inside your chest, such as your heart, lungs, and blood vessels. Two different angles are used to get a comprehensive view. This helps in diagnosing conditions like pneumonia, heart problems, or lung cancer.

39 services38 patients

Blood test, basic group of blood chemicals (calcium, total) 80048

A basic group blood test measures the levels of certain chemicals in your blood, including calcium. This helps assess your overall health and detect potential problems. The procedure involves drawing a small amount of blood from your arm, which is then analyzed in a lab.

28 services22 patients

Psa (prostate specific antigen) measurement, total 84153

PSA measurement is a simple blood test that checks for a specific protein produced by your body. High levels could indicate a health issue that needs further investigation. It's often used to monitor general wellness and is part of routine health screening.

27 services22 patients

Complete blood cell count (red cells, white blood cell, platelets), automated test 85027

A complete blood cell count (CBC) is an automated test that measures different components of the blood, including red cells, white cells, and platelets. It helps assess overall health, detect disorders like anemia or infection, and monitor medical treatments.

24 services22 patients

Red blood cell sedimentation rate, to detect inflammation, automated 85652

The Red Blood Cell Sedimentation Rate is a test that helps detect inflammation in the body. It's automated, meaning a machine does the work. This test measures how fast red blood cells settle at the bottom of a tube in an hour. A faster rate may indicate inflammation.

22 services15 patients

Measurement c-reactive protein for detection of infection or inflammation 86140

C-reactive protein (CRP) test is a blood test that checks for signs of inflammation or infection in the body. High levels of CRP often suggest that there's inflammation or a bacterial infection. This test helps in monitoring and managing conditions like arthritis and heart disease.

22 services17 patients

Lipase (fat enzyme) level 83690

A Lipase Level test measures the amount of lipase in your blood. Lipase is an enzyme that helps your body digest fats. High or low levels can indicate problems with your pancreas, such as pancreatitis or other conditions. This test helps your doctor diagnose and monitor these conditions.

16 services15 patients

Uric acid level, blood 84550

A blood uric acid level test measures the amount of uric acid in your blood. Uric acid is a waste product that your body produces when it breaks down purines, substances found in your body and in certain foods. High levels may lead to gout or kidney stones.

14 services12 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000

An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.

14 services14 patients

Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306

This is a heart ultrasound, also known as an echocardiogram. It uses sound waves to create pictures of your heart, showing how blood flows through it. The color depicts the blood flow's speed and direction. It also checks the heart's valves to ensure they're working properly.

14 services14 patients

Dxa bone density measurement of hip, pelvis, spine 77080

A DXA bone density measurement is a simple, quick, and non-invasive procedure that assesses the strength of your bones. This test uses X-rays to measure the amount of minerals, mainly calcium, in the hip, pelvis, and spine. It helps in early detection of osteoporosis or other bone diseases.

11 services11 patients

Hospital Affiliations CMS Care Compare 5

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

Methodist Medical Center Of Oak Ridge

Acute Care Hospitals · Oak Ridge, TN

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number440034

Location990 Oak Ridge Turnpike Box 529Oak Ridge, TN 37830 · Anderson 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

Parkwest Medical Center

Acute Care Hospitals · Knoxville, TN

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number440173

Location9352 Park West BlvdKnoxville, TN 37923 · Knox County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 37923 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.

Referred Medical Equipment & Supplies CMS DME claims 7

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

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253

DME-Other DME · category DE017N

21 suppliers62 claims179 services$5.52 avg. paid by Medicare

Lancets, per box of 100 A4259

DME-Medical/Surgical Supplies · category DA000N

11 suppliers21 claims27 services$1.09 avg. paid by Medicare

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 claims18 services$14.69 avg. paid by Medicare

Nebulizer, with compressor E0570

DME-Other DME · category DE000N

2 suppliers14 claims14 services$4.98 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 suppliers26 claims30 services$70.14 avg. paid by Medicare

Albuterol, up to 2.5 mg and ipratropium bromide, up to 0.5 mg, fda-approved final product, non-compounded, administered through dme J7620

DME-Drugs Administered Through DME · category DG006N

2 suppliers19 claims1,020 services$0.09 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 20

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

EMILY A. RADCLIFFE FNP

Nurse Practitioner (Family)

9333 PARK WEST BLVD
KNOXVILLE, TN 37923

Knox County (865) 531-4600

EMILY R. FRANKLIN PT

Physical Therapist

9333 PARK WEST BLVD, SUITE 102
KNOXVILLE, TN 37923

Knox County (865) 470-2696

DIANA LYNN BROWN TAYLOR LCWS

Social Worker (Clinical)

9333 PARK WEST BLVD
KNOXVILLE, TN 37923

Knox County (865) 531-4600

UDIT CHAUDHURI MD

Internal Medicine

9333 PARK WEST BLVD
KNOXVILLE, TN 37923

Knox County (865) 531-4600

WILLIAM B ROBINSON III MD

Internal Medicine

9333 PARK WEST BLVD
KNOXVILLE, TN 37923

Knox County (865) 531-4600

ROBERT N MONTGOMERY MD

Internal Medicine

9333 PARK WEST BLVD
KNOXVILLE, TN 37923

Knox County (865) 531-4600

MRS. KELLIE RAY CHERNIKOW DPT

Physical Therapist

9333 PARK WEST BLVD, SUITE 102
KNOXVILLE, TN 37923

Knox County (865) 470-2696

INTEGRATIVE MEDICINE SPECIALISTS LLC

Psychologist (Clinical)

9333 PARK WEST BLVD
KNOXVILLE, TN 37923

Knox County (865) 235-1254

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 Jennifer Mcmillen's NPI number?

The NPI number for Jennifer Mcmillen is 1295982098. It was assigned to this individual provider in the NPPES registry on August 22, 2008.

Where is Jennifer Mcmillen located?

Jennifer Mcmillen practices at 9333 Park West Blvd, Knoxville, TN 37923. The listed phone number is (865) 531-4600.

What is Jennifer Mcmillen's specialty?

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

Is Jennifer Mcmillen enrolled in Medicare?

Yes. Jennifer Mcmillen 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.

Which organization bills Medicare for Jennifer Mcmillen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jennifer Mcmillen reassigns Medicare benefits to Summit Medical Group, PLLC (Knoxville, TN). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Jennifer Mcmillen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Jennifer Mcmillen accept?

Health plans from Alliant Health Plans, Inc., Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter of Alabama and Ambetter of North Carolina and 4 other insurers list Jennifer Mcmillen 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 Jennifer Mcmillen affiliated with any hospitals?

According to CMS data, Jennifer Mcmillen is affiliated with University Health System, Inc, Methodist Medical Center Of Oak Ridge, Physicians Regional Medical Center, Fort Sanders Regional Medical Center and Parkwest Medical Center.

When was this NPI record last updated?

The NPPES record for Jennifer Mcmillen was last updated on October 11, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.