STEVEN TROY GREMILLION M D
NPI 1902807233
Internal Medicine - Cardiovascular Disease in Baton Rouge, LA

Q: What is Steven Gremillion's NPI number?

The NPI number for Steven Gremillion is 1902807233. It was assigned to this individual provider in the NPPES registry on August 9, 2005.

Q: What is Steven Gremillion's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Q: When was this NPI record last updated?

The NPPES record for Steven Gremillion was last updated on January 25, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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 09, 2005PECOS EnrolledAccepts Medicare Assignment

7777 HENNESSY BLVD, SUITE 1000, BATON ROUGE, LA 70808(225) 767-3900(225) 766-2226 Get Directions Write a Review

NPPES record last updated: January 25, 2021. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jan 25, 2021, Feb 20, 2017 (2 updates tracked since 2017).

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About Steven Troy Gremillion M D NPPES

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

STEVEN TROY GREMILLION M D (NPI 1902807233) is an individual cardiovascular disease provider in Baton Rouge, Louisiana, licensed in Louisiana (019055) and active in the NPI registry since August 2005. He is enrolled in Medicare PECOS, is affiliated with Our Lady Of The Lake Regional Medical Center, and is a graduate of Other (1997).

NPPES Registry Identity

NPI1902807233

Entity TypeIndividualMale

Primary Taxonomy207RC0000X

Provider Legal NameSTEVEN TROY GREMILLIONCredential: M D

Location Address7777 HENNESSY BLVD, SUITE 1000Baton Rouge, LA 70808-4300

Mailing Address5959 S Sherwood Forest BlvdBaton Rouge, LA 70816-6038 · (225) 765-5727 · Fax (225) 765-9196

Phone(225) 767-3900

Fax(225) 766-2226

Sole ProprietorNo

Medical School CMSOtherGraduated 1997

Enumeration DateAugust 9, 2005

Last NPPES UpdateJanuary 25, 20212 updates tracked since enumeration

NPPES CertifiedJanuary 25, 2021

✔ NPI 1902807233 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RC0000X

License✔ Licensed in LA · 019055

Definition

An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.

Also ListedInternal Medicine · Clinical Cardiac ElectrophysiologyTaxonomy 207RC0001X · License 19055 (LA)

7777 HENNESSY BLVD, Baton Rouge, LA 70808

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Other Identifiers 4

Other060021713LA · Palmetto Gba 10066

Other4516470LA · Aetna

Other232713LA · Wellcare

Other2500233LA · United Health Care

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Louisiana, HMO Louisiana, UnitedHealthcare.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

Steven Troy Gremillion 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 ID7810809944

PECOS Enrollment IDI20031105000552

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 20

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.

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.

557 services336 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.

507 services289 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.

118 services55 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.

96 services88 patients

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.

88 services29 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.

79 services78 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010

A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.

59 services56 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.

53 services18 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.

41 services41 patients

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

41 services41 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.

40 services40 patients

Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision and review by physician 93015

An exercise or drug-induced heart stress test with ECG is a procedure performed by a doctor to assess how your heart responds to exertion. It involves monitoring your heart's electrical activity while you exercise or after medication is given to mimic exercise effects.

40 services40 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.

36 services11 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

31 services31 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.

24 services16 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.

18 services11 patients

Heart rhythm review, and interpretation of continous external ekg over more than 48 hours up to 7 days 93244

A heart rhythm review involves monitoring your heart's electrical activity for more than 48 hours up to 7 days. Using a device called an external EKG, doctors can track your heartbeats to detect irregularities and help diagnose heart conditions.

17 services17 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

17 services17 patients

Heart rhythm recording continous external ekg over more than 48 hours up to 7 days 93242

This procedure involves wearing a device, an external EKG, for up to 7 days to continuously monitor your heart rhythm. It helps detect irregularities that may not occur during a standard EKG. The device is non-invasive and safe.

16 services16 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.

13 services13 patients

Hospital Affiliations CMS Care Compare 2

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

Our Lady Of The Lake Regional Medical Center

Acute Care Hospitals · Baton Rouge, LA

4/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number190064

Location5000 Hennessy BlvdBaton Rouge, LA 70808 · E. Baton Rouge County

Emergency services

Baton Rouge General Medical Center

Acute Care Hospitals · Baton Rouge, LA

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number190065

Location8585 Picardy AveBaton Rouge, LA 70809 · E. Baton Rouge County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 70808 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

$124.60 typical visit price

range $53.43 – $164.73

Typical copayment $31.15 (range $13.35 – $41.18)

Most-billed visit code 99204

Established Patient

$67.06 typical visit price

range $16.64 – $133.62

Typical copayment $16.76 (range $4.16 – $33.40)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

SARA ADAMS MARTIN MD

Anesthesiology

7777 HENNESSY BLVD, SUITE 301
BATON ROUGE, LA 70808

East Baton Rouge Parish (225) 214-6438

CELESTE BUUCK FNP

Nurse Practitioner

7777 HENNESSY BLVD, SUITE 1000
BATON ROUGE, LA 70808

East Baton Rouge Parish (225) 767-3900

PAMELA STANLEY NP

Nurse Practitioner (Acute Care)

7777 HENNESSY BLVD, SUITE 701
BATON ROUGE, LA 70808

East Baton Rouge Parish (225) 765-5864

EYE SPECIALISTS EYEWEAR

Durable Medical Equipment & Medical Supplies

7777 HENNESSY BLVD, SUITE 5000
BATON ROUGE, LA 70808

East Baton Rouge Parish (225) 768-7777

DR. JOHN MCALISTER WHITAKER M.D.

Surgery

7777 HENNESSY BLVD, SUITE 612
BATON ROUGE, LA 70808

East Baton Rouge Parish (225) 769-5656

PAULLA DANIELLE BROUILLETTE PA

Physician Assistant

7777 HENNESSY BLVD, OUR LADY OF THE LAKE MED CNTR -- ER DEPT
BATON ROUGE, LA 70808

East Baton Rouge Parish (888) 447-2450

OUR LADY OF THE LAKE ADVANCED HEALTH SOLUTIONS

Surgery

7777 HENNESSY BLVD, SUITE 612
BATON ROUGE, LA 70808

East Baton Rouge Parish (225) 769-5656

AMY MARTIN MCMILLAN CRNA

Nurse Anesthetist, Certified Registered

7777 HENNESSY BLVD, SUITE 301
BATON ROUGE, LA 70808

East Baton Rouge Parish (225) 214-6438

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 Steven Gremillion's NPI number?

The NPI number for Steven Gremillion is 1902807233. It was assigned to this individual provider in the NPPES registry on August 9, 2005.

Where is Steven Gremillion located?

Steven Gremillion practices at 7777 Hennessy Blvd Suite 1000, Baton Rouge, LA 70808. The listed phone number is (225) 767-3900.

What is Steven Gremillion's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is Steven Gremillion enrolled in Medicare?

Yes. Steven Gremillion 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 Steven Gremillion accept?

Health plans from Blue Cross and Blue Shield of Louisiana, HMO Louisiana and UnitedHealthcare list Steven Gremillion 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 Steven Gremillion affiliated with any hospitals?

According to CMS data, Steven Gremillion is affiliated with Our Lady Of The Lake Regional Medical Center and Baton Rouge General Medical Center.

When was this NPI record last updated?

The NPPES record for Steven Gremillion was last updated on January 25, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.