DR. GREGORY GARO BASHIAN M.D.
NPI 1487854311
Internal Medicine - Clinical Cardiac Electrophysiology in Nashville, TN

Q: What is Gregory Bashian's NPI number?

The NPI number for Gregory Bashian is 1487854311. It was assigned to this individual provider in the NPPES registry on July 19, 2007.

Q: What is Gregory Bashian's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Clinical Cardiac Electrophysiology, with taxonomy code 207RC0001X.

Q: When was this NPI record last updated?

The NPPES record for Gregory Bashian was last updated on July 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months 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 July 19, 2007PECOS EnrolledAccepts Medicare Assignment

89.97/100

CMS Quality Rating

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

NPPES record last updated: July 11, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 11, 2025, Feb 9, 2022 (2 updates tracked since 2022).

On this page

About Dr. Gregory Garo Bashian M.d. NPPES

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

DR. GREGORY GARO BASHIAN M.D. (NPI 1487854311) is an individual clinical cardiac electrophysiology provider in Nashville, Tennessee, licensed in Tennessee (44638) and active in the NPI registry since July 2007. He is enrolled in Medicare PECOS, is affiliated with Tennova Healthcare-clarksville, and is a graduate of Johns Hopkins University School Of Medicine (2000).

NPPES Registry Identity

NPI1487854311

Entity TypeIndividualMale

Primary Taxonomy207RC0001X

Provider Legal NameDR. GREGORY GARO BASHIANCredential: M.D.

Location Address2400 PATTERSON ST STE 502Nashville, TN 37203-6511

Mailing Address2400 Patterson St Ste 502Nashville, TN 37203-6511 · (615) 515-1900 · Fax (615) 292-4633

Phone(615) 515-1900

Fax(615) 292-4633

Sole ProprietorNo

Medical School CMSJohns Hopkins University School Of MedicineGraduated 2000

Enumeration DateJuly 19, 2007

Last NPPES UpdateJuly 11, 20252 updates tracked since enumeration

NPPES CertifiedJuly 11, 2025

✔ NPI 1487854311 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Clinical Cardiac ElectrophysiologyAllopathic & Osteopathic Physicians

Taxonomy Code207RC0001X

License✔ Licensed in TN · 44638

Definition

A field of special interest within the subspecialty of cardiovascular disease, specialty of Internal Medicine, which involves intricate technical procedures to evaluate heart rhythms and determine appropriate treatment for them.

Also ListedInternal Medicine · Cardiovascular DiseaseTaxonomy 207RC0000X · License 44638 (TN), 35.087839 (OH)

2400 PATTERSON ST STE 502, Nashville, TN 37203

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Other Identifiers 3

OtherP00721842TN · Rr Medicare

Medicaid1513507TN

Medicaid7100092080KY

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

Dr. Gregory Garo Bashian M.d. 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 ID3577657139

PECOS Enrollment IDI20090610000651

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 28

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.

Evaluation of single, dual, multiple lead or leadless pacemaker system or implantable defibrillator system, remote up to 90 days 93296

This procedure involves remotely monitoring your pacemaker or implantable defibrillator system. Over a 90-day period, we check the device's performance and your heart's activity. This helps ensure the device is functioning properly and providing the best possible support for your heart health.

1,511 services450 patients

Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days 93294

This procedure evaluates your pacemaker system remotely for up to 90 days. It checks whether single, dual, multiple lead, or leadless pacemakers are working properly. It's a safe, convenient way to ensure your heart device is functioning optimally.

990 services297 patients

Evaluation of cardiac rhythm monitor system, remote up to 30 days 93298

This procedure involves remotely monitoring your heart rhythm for up to 30 days. A small device will record your heart's activity, which can be accessed by your healthcare team. This aids in diagnosing any irregularities or issues with your heart function.

723 services81 patients

Evaluation of single, dual, or multiple lead implantable defibrillator system, remote up to 90 days 93295

This procedure involves remotely monitoring your implantable defibrillator system, which can have single, dual, or multiple leads. Over a period of up to 90 days, the system's performance is evaluated to ensure it's working properly and providing the necessary heart rhythm support.

527 services156 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.

511 services390 patients

Evaluation of implantable heart and blood vessel monitoring system, remote up to 30 days 93297

This service involves remotely monitoring your heart and blood vessel implant system for up to 30 days. Using advanced technology, healthcare professionals can track the device's performance and your health status, ensuring the system is working optimally for your needs.

407 services123 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.

324 services299 patients

Programming of dual lead pacemaker system 93280

Programming of a dual lead pacemaker system is a procedure to adjust your heart's pacemaker settings. This process involves a small device, called a programmer, that communicates with your pacemaker to ensure it's working optimally for your heart's needs.

204 services158 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.

133 services117 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.

110 services66 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.

69 services64 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

65 services65 patients

Programming of multiple lead implantable defibrillator system 93284

Programming of a multiple lead implantable defibrillator system involves adjusting settings on your implanted device to help control irregular heart rhythms. The process is non-invasive and helps ensure optimal device performance for maintaining heart health.

64 services50 patients

Comprehensive electrophysiologic evaluation with catheter destruction of abnormality causing atrial fibrillation (uncoordinated contraction of upper chambers of heart) by pulmonary vein isolation 93656

This is a procedure to treat atrial fibrillation, a condition causing irregular heartbeats. It involves a detailed heart evaluation using electrophysiology. A catheter is then used to destroy the problematic area causing the issue. Specifically, isolation of the pulmonary vein is done to regulate the heartbeat.

63 services62 patients

Destruction of tissue of upper heart chamber through tube to treat abnormal heart rhythm 93657

This procedure involves using a tube, or catheter, to access your upper heart chamber. Special tools are then used to destroy a small area of heart tissue causing abnormal rhythm. This helps reset your heart's regular rhythm, improving heart function.

62 services39 patients

Programming of dual lead implantable defibrillator system 93283

Programming of a dual lead implantable defibrillator system involves adjusting settings on a device implanted in your chest. This device monitors your heart rhythm and delivers electrical pulses to correct irregular heartbeats, helping maintain a healthy heart rhythm.

51 services41 patients

Insertion of catheters and destruction of tissue to treat abnormal heart rhythm 93655

This procedure involves placing small tubes (catheters) into your heart via a blood vessel. These catheters emit energy that corrects irregular heartbeats by eliminating the problematic heart tissue. It's a common, minimally invasive method to treat abnormal heart rhythms.

32 services29 patients

Programming of cardiac rhythm monitor system 93285

Programming of a cardiac rhythm monitor system involves setting up a device to track your heart's activity. This helps identify irregular heartbeats or rhythms. The data collected assists your healthcare team in making accurate treatment decisions.

28 services26 patients

Insertion of pacemaker and upper and lower heart chamber electrode 33208

A pacemaker insertion is a procedure where a small device, called a pacemaker, is implanted under your skin. This device uses electrical pulses to prompt the heart to beat at a normal rate. Electrodes are placed in the upper and lower chambers of your heart to help regulate your heartbeat.

27 services27 patients

Programming of heart rhythm stimulation after drug infusion 93623

Programming of heart rhythm stimulation after drug infusion is a process to regulate your heartbeat. After a medication is administered into your body, a device is programmed to monitor and correct irregular heart rhythms, ensuring your heart functions optimally.

27 services27 patients

Programming of single lead pacemaker system 93279

Programming of a single lead pacemaker system involves adjusting the pacemaker's settings to suit your heart's unique needs. This is done using a special device that communicates with the pacemaker, ensuring it helps your heart beat at an optimal rate.

24 services18 patients

Electrocardiogram (ecg) up to 30 days continuous with review and report by health care professional 93228

An Electrocardiogram (ECG) is a non-invasive test that records the electrical signals in your heart. For up to 30 days, a small device will continuously monitor your heart's activity. A healthcare professional will then review the data and provide a report on your heart's function.

22 services21 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.

22 services22 patients

Removal and replacement of dual lead permanent pacemaker 33228

This procedure involves removing an old dual lead pacemaker and replacing it with a new one. A pacemaker helps regulate your heart's rhythm. The dual lead model has two wires connecting to your heart to improve its electrical signaling. The replacement is done under local anesthesia.

20 services20 patients

Repair of left upper heart chamber with implant with review by radiologist 33340

This is a procedure to fix a problem in your left upper heart chamber. An implant is used to correct the issue. After the procedure, a radiologist, a doctor who specializes in medical imaging, reviews the images to ensure everything is in order.

20 services20 patients

Insertion of heart rhythm monitor under skin 33285

The insertion of a heart rhythm monitor under the skin is a procedure to track your heart's activity. A small device is placed under your skin, recording your heart's rhythms continuously. This helps identify irregular heartbeats or conditions, aiding in your treatment.

15 services15 patients

Programming of multiple lead pacemaker system 93281

Programming of a multiple lead pacemaker system involves adjusting settings on your pacemaker device to optimize its function. This device uses electrical impulses to regulate your heart's rhythm. The procedure ensures it's working effectively for your specific needs.

15 services12 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.

15 services14 patients

Hospital Affiliations CMS Care Compare 5

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

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

Tristar Horizon Medical Center

Acute Care Hospitals · Dickson, TN

4/5 CMS rating

OwnershipProprietary

CMS Certification Number440046

Location111 Highway 70 EastDickson, TN 37055 · Dickson County

Emergency services Birthing friendly

Tristar Summit Medical Center

Acute Care Hospitals · Hermitage, TN

2/5 CMS rating

OwnershipProprietary

CMS Certification Number440150

Location5655 Frist BlvdHermitage, TN 37076 · 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

Tristar Stonecrest Medical Center

Acute Care Hospitals · Smyrna, TN

3/5 CMS rating

OwnershipProprietary

CMS Certification Number440227

Location200 Stonecrest BoulevardSmyrna, TN 37167 · Rutherford 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.

89.97/100

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

Individually scored

Quality

86.05

Improvement Activities

Reported Quality Measures

Controlling High Blood Pressure

66%453 patients3/55-star benchmark: 91%

Falls: Screening for Future Fall Risk

97%848 patients4/55-star benchmark: 100%

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

69%1,227 patients3/55-star benchmark: 98%

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

29%960 patients2/55-star benchmark: 61%

Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention

Patients combinedPopulations: 98% · 345 patients

Patients screened: 99% · 345 patients

78%23 patients4/55-star benchmark: 100%

Statin Therapy for the Prevention and Treatment of Cardiovascular Disease

84%567 patients4/55-star benchmark: 91%

Use of High-Risk Medications in Older Adults

Lower rates are better for this measure.

Patients appropriateDiagnosis: 1% · 890 patients

Patients totalRate: 0% · 890 patients

0%890 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.

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.

MARITA WALTON ELLIS

Nurse Practitioner