THOMAS STEVAN JOHNSTON MD
NPI 1023103462
Internal Medicine - Advanced Heart Failure and Transplant Cardiology in Nashville, TN

Q: What is Thomas Johnston's NPI number?

The NPI number for Thomas Johnston is 1023103462. It was assigned to this individual provider in the NPPES registry on October 3, 2006.

Q: What is Thomas Johnston's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Advanced Heart Failure and Transplant Cardiology, with taxonomy code 207RA0001X.

Q: When was this NPI record last updated?

The NPPES record for Thomas Johnston was last updated on January 27, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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 October 03, 2006PECOS EnrolledAccepts Medicare Assignment

95.22/100

CMS Quality Rating

2400 PATTERSON ST, SUITE 502, NASHVILLE, TN 37203(615) 515-1900(615) 292-4633 Get Directions Write a Review

NPPES record last updated: January 27, 2022. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jan 27, 2022, May 9, 2017 (2 updates tracked since 2017).

On this page

About Thomas Stevan Johnston Md NPPES

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

THOMAS STEVAN JOHNSTON MD (NPI 1023103462) is an individual advanced heart failure and transplant cardiology provider in Nashville, Tennessee, licensed in Tennessee (20872) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS, is affiliated with Tristar Greenview Regional Hospital, and is a graduate of Vanderbilt University School Of Medicine (1988).

NPPES Registry Identity

NPI1023103462

Entity TypeIndividualMale

Primary Taxonomy207RA0001X

Provider Legal NameTHOMAS STEVAN JOHNSTONCredential: MD

Location Address2400 PATTERSON ST, SUITE 502Nashville, TN 37203-1562

Mailing Address2400 Patterson St, Suite 502Nashville, TN 37203-1562 · (615) 515-1900 · Fax (615) 292-4633

Phone(615) 515-1900

Fax(615) 292-4633

Sole ProprietorNo

Medical School CMSVanderbilt University School Of MedicineGraduated 1988

Enumeration DateOctober 3, 2006

Last NPPES UpdateJanuary 27, 20222 updates tracked since enumeration

✔ NPI 1023103462 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Advanced Heart Failure and Transplant CardiologyAllopathic & Osteopathic Physicians

Taxonomy Code207RA0001X

License✔ Licensed in TN · 20872

Definition

Specialists in Advanced Heart Failure and Transplant Cardiology would participate in the inpatient and outpatient management of patients with advanced heart failure across the spectrum from consideration for high-risk cardiac surgery, cardiac transplantation, or mechanical circulatory support, to pre-and post-operative evaluation and management of patients with cardiac transplants and mechanical support devices, and end-of-life care for patients with end-stage heart failure.

Also ListedInternal Medicine · Cardiovascular DiseaseTaxonomy 207RC0000X · License MD20872 (TN)

2400 PATTERSON ST, Nashville, TN 37203

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Other Identifiers 4

Medicaid3825351TN

Other4140116TN · Bcbs

Medicaid64929201KY

OtherP00396443TN · Rr Medicare

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include BlueCross BlueShield of Tennessee, Oscar Insurance Company.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

Thomas Stevan Johnston 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 ID3476653114

PECOS Enrollment IDI20070711000339, I20090121000017

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 17

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.

827 services370 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.

458 services336 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

289 services105 patients

Ultrasound of heart with color-depicted blood flow, rate and valve function 93325

An ultrasound of the heart, also known as an echocardiogram, uses sound waves to create pictures of your heart. It shows the structure, movement, and blood flow within your heart. This helps assess the heart's health and function, including the valves and rate.

177 services176 patients

Ultrasound of heart with probe in esophagus, with report 93312

This procedure, called a transesophageal echocardiogram, uses a small probe passed into your esophagus to capture detailed images of your heart. The report provides information about your heart's structure and function.

167 services165 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.

138 services130 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

111 services46 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

97 services90 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

75 services49 patients

Ultrasound of heart blood flow, valves and chambers, follow-up 93321

This procedure, an echocardiogram, uses sound waves to create images of your heart. It aids in assessing your heart's blood flow, chambers, and valves. It's a follow-up procedure, ensuring that your heart is functioning properly post-treatment.

62 services62 patients

External shock to heart to regulate heart beat 92960

This procedure, known as cardioversion, uses an external electrical shock to restore your heart's normal rhythm. It's typically performed when irregular heartbeats, or arrhythmias, are causing severe symptoms and aren't responding to medications.

52 services51 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.

49 services47 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

42 services42 patients

Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician 93016

An exercise or drug-induced heart stress test with ECG involves monitoring your heart's activity while it's under stress, either from exercise or medication. A doctor supervises the entire procedure to ensure safety and accuracy in results. This test helps detect heart problems.

36 services36 patients

Nuclear medicine studies of heart muscle at rest and with stress and spect 78452

Nuclear medicine studies of the heart involve two parts: rest and stress. During rest, images are taken of your heart at ease. During stress, images are taken after exercise or medication-induced stress. SPECT is a special imaging technique providing 3D pictures of your heart, helping identify any issues.

31 services31 patients

Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician 93018

An exercise or drug-induced heart stress test with ECG is a procedure to assess how your heart functions under stress. It can involve exercising or medication to make your heart work harder while an ECG records its activity. A physician reviews the results.

15 services15 patients

Ultrasound of heart, follow-up 93308

A follow-up ultrasound of the heart, also known as an echocardiogram, is a non-invasive test that uses sound waves to create images of your heart. It helps doctors monitor your heart's function and structures after initial assessment or treatment.

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.

Tristar Greenview Regional Hospital

Acute Care Hospitals · Bowling Green, KY

3/5 CMS rating

OwnershipProprietary

CMS Certification Number180124

Location1801 Ashley CircleBowling Green, KY 42104 · Warren County

Emergency services

Williamson Medical Center

Acute Care Hospitals · Franklin, TN

4/5 CMS rating

OwnershipGovernment - Hospital District or Authority

CMS Certification Number440029

Location4321 Carothers ParkwayFranklin, TN 37067 · Williamson County

Emergency services Birthing friendly

Tennova Healthcare-Clarksville

Acute Care Hospitals · Clarksville, TN

1/5 CMS rating

OwnershipProprietary

CMS Certification Number440035

Location651 Dunlop LaneClarksville, TN 37040 · Montgomery County

Emergency services Birthing friendly

Vanderbilt University Medical Center

Acute Care Hospitals · Nashville, TN

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number440039

Location1211 Medical Center DriveNashville, TN 37232 · Davidson County

Emergency services Birthing friendly

Tristar Centennial Medical Center

Acute Care Hospitals · Nashville, TN

4/5 CMS rating

OwnershipProprietary

CMS Certification Number440161

Location2300 Patterson StreetNashville, TN 37203 · Davidson County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 37203 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.

95.22/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Individually scored

Quality

92.29

Improvement Activities

Reported Quality Measures

Controlling High Blood Pressure

73%536 patients4/55-star benchmark: 91%

Documentation of Current Medications in the Medical Record

96%2,670 patients4/55-star benchmark: 100%

Falls: Screening for Future Fall Risk

98%753 patients4/55-star benchmark: 100%

Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan

72%1,121 patients3/55-star benchmark: 98%

Preventive Care and Screening: Screening for High Blood Pressure and Follow-Up Documented

32%1,321 patients3/55-star benchmark: 61%

Statin Therapy for the Prevention and Treatment of Cardiovascular Disease

82%695 patients4/55-star benchmark: 91%

Use of High-Risk Medications in Older Adults

Lower rates are better for this measure.

Patients appropriateDiagnosis: 2% · 786 patients

Patients totalRate: 0% · 786 patients

0%786 patients5/55-star benchmark: 100%

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims 4

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

Supplies for maintenance of non-insulin drug infusion catheter, per week (list drugs separately) A4221

DME-Other DME · category DE017N

2 suppliers39 claims39 services$19.20 avg. paid by Medicare

Infusion supplies for external drug infusion pump, per cassette or bag (list drugs separately) A4222

DME-Medical/Surgical Supplies · category DA000N

2 suppliers67 claims142 services$37.36 avg. paid by Medicare

Ambulatory infusion pump, single or multiple channels, electric or battery operated, with administrative equipment, worn by patient E0781

DME-Other DME · category DE000N

2 suppliers14 claims14 services$200.18 avg. paid by Medicare

Injection, milrinone lactate, 5 mg J2260

Treatment-Injections and Infusions (nononcologic) · category RI026N

2 suppliers67 claims4,318 services$1.36 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.

DR. TAMMY MICHELLE BAXTER M.D.

Thoracic Surgery (Cardiothoracic Vascular Surgery)

2400 PATTERSON ST, SUITE 215
NASHVILLE, TN 37203

Davidson County (615) 342-7345

MR. JOHN E ANDERSON MD

Internal Medicine

2400 PATTERSON ST, SUITE 400
NASHVILLE, TN 37203

Davidson County (615) 342-5900

MS. JUDITH MARIE CALDWELL NP

Nurse Practitioner (Primary Care)

2400 PATTERSON ST, SUITE 400
NASHVILLE, TN 37203

Davidson County (615) 342-5900

MR. ROBERT BRUCE WEEKS PA-C

Physician Assistant (Surgical)

2400 PATTERSON ST, SUITE 300
NASHVILLE, TN 37203

Davidson County (615) 342-6300

MRS. MELISSA MOON KENT MSN, RN, ACNP-BC

Nurse Practitioner (Acute Care)

2400 PATTERSON ST, SUITE 100
NASHVILLE, TN 37203

Davidson County (615) 342-0038

WILLIAM R SCHOOLEY M.D.

Neurological Surgery

2400 PATTERSON ST, SUITE 319
NASHVILLE, TN 37203

Davidson County (615) 986-1256

MERLINDA BERNARDO REYES PT

Physical Therapist

2400 PATTERSON ST, SUITE 100
NASHVILLE, TN 37203

Davidson County (615) 342-0038

CHRISTIAN F VISSERS MD PC

Orthopaedic Surgery (Sports Medicine)

2400 PATTERSON ST, SUITE 102
NASHVILLE, TN 37203

Davidson County (615) 329-6710

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 Thomas Johnston's NPI number?

The NPI number for Thomas Johnston is 1023103462. It was assigned to this individual provider in the NPPES registry on October 3, 2006.

Where is Thomas Johnston located?

Thomas Johnston practices at 2400 Patterson St Suite 502, Nashville, TN 37203. The listed phone number is (615) 515-1900.

What is Thomas Johnston's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Advanced Heart Failure and Transplant Cardiology, with taxonomy code 207RA0001X.

Is Thomas Johnston enrolled in Medicare?

Yes. Thomas Johnston 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 Thomas Johnston accept?

Health plans from BlueCross BlueShield of Tennessee and Oscar Insurance Company list Thomas Johnston 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 Thomas Johnston affiliated with any hospitals?

According to CMS data, Thomas Johnston is affiliated with Tristar Greenview Regional Hospital, Williamson Medical Center, Tennova Healthcare-Clarksville, Vanderbilt University Medical Center and Tristar Centennial Medical Center.

When was this NPI record last updated?

The NPPES record for Thomas Johnston was last updated on January 27, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.