DR. THOMAS GREGORY CHAISSON MD
NPI 1902895279
General Practice in Thibodaux, LA

Q: What is Thomas Chaisson's NPI number?

The NPI number for Thomas Chaisson is 1902895279. It was assigned to this individual provider in the NPPES registry on October 19, 2005.

Q: What is Thomas Chaisson's specialty?

The primary specialty registered for this NPI is General Practice with taxonomy code 208D00000X.

Q: When was this NPI record last updated?

The NPPES record for Thomas Chaisson was last updated on April 3, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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 October 19, 2005PECOS EnrolledAccepts Medicare Assignment

142 RUE MARGUERITE, THIBODAUX, LA 70301(985) 446-2131(985) 447-3383 Get Directions Write a Review

NPPES record last updated: April 3, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

On this page

About Dr. Thomas Gregory Chaisson Md NPPES

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

DR. THOMAS GREGORY CHAISSON MD (NPI 1902895279) is an individual general practice provider in Thibodaux, Louisiana, licensed in Louisiana (09201R) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS, is affiliated with Thibodaux Regional Medical Center, and is a graduate of Louisiana State University School Of Medicine In New Orleans (1991).

NPPES Registry Identity

NPI1902895279

Entity TypeIndividualMale

Primary Taxonomy208D00000X

Provider Legal NameDR. THOMAS GREGORY CHAISSONCredential: MD

Location Address142 RUE MARGUERITEThibodaux, LA 70301-6738

Mailing Address142 Rue Marguerite, Suite BThibodaux, LA 70301-4957 · (985) 446-2131 · Fax (985) 447-3383

Phone(985) 446-2131

Fax(985) 447-3383

Sole ProprietorYes

Medical School CMSLouisiana State University School Of Medicine In New OrleansGraduated 1991

Enumeration DateOctober 19, 2005

Last NPPES UpdateApril 3, 2025

NPPES CertifiedApril 3, 2025

✔ NPI 1902895279 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyGeneral PracticeAllopathic & Osteopathic Physicians

Taxonomy Code208D00000X

License✔ Licensed in LA · 09201R

Definition

A physician who specializes in the general practice of diagnosing, treating, and managing patients with a variety of illnesses and conditions. Source: National Uniform Claim Committee

Also ListedInternal MedicineTaxonomy 207R00000X · License MD.09201R (LA)

142 RUE MARGUERITE, Thibodaux, LA 70301

Open in Google Maps ↗

Other Identifiers 1

Medicaid1957879LA

Accepted Insurance

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

Dr. Thomas Gregory Chaisson 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 ID6204894785

PECOS Enrollment IDI20041230000152

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 Thomas Chaisson reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Thibodaux Internal Medicine Associates,inc.

Same address

Internal Medicine

142 RUE MARGUERITE
Thibodaux, LA 70301

Reassigned Medicare billing, Louisiana enrollment
2 clinicians in this Medicare group

NPI 1124270749 (985) 446-2131

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 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.

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.

1,164 services602 patients

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.

921 services517 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.

885 services491 patients

Injection, triamcinolone acetonide, not otherwise specified, 10 mg J3301

Triamcinolone acetonide is a medication used to reduce inflammation in the body. It's given as a 10 mg injection for conditions like allergies, arthritis, or skin problems. The injection helps to decrease swelling, redness, and itching.

803 services164 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.

313 services313 patients

Detection test by immunoassay with direct visual observation for influenza virus 87804

This is a test that identifies the influenza virus in your body. It works by using an immunoassay, a method that detects the presence of the virus through an immune response. The results are directly observable, making it a quick and efficient way to diagnose flu.

274 services120 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.

242 services183 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.

188 services187 patients

Influenza vaccine, inactivated 90653

The Influenza vaccine, inactivated, is a shot given to protect against the flu. It contains killed virus particles that help your body build immunity to the flu. It's recommended annually to keep your protection up-to-date. It's safe for ages 6 months and up.

182 services182 patients

Urinalysis, manual test 81002

A urinalysis is a simple, non-invasive test that checks the urine for various elements such as sugar, protein, and signs of infection. It can help detect many common conditions, including kidney disease and diabetes. The manual test involves a lab technician examining a urine sample.

158 services114 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.

150 services135 patients

Detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19) 87811

This is a test to detect COVID-19, the virus causing severe respiratory illness. It uses a method called immunoassay, which identifies the virus by its unique proteins. The test is directly observed for accuracy. It helps determine if you're currently infected.

139 services121 patients

Advance care planning, first 30 minutes 99497

Advance care planning is a process where you discuss your healthcare preferences with your doctor. This conversation, lasting up to 30 minutes, helps ensure your wishes are respected if you're unable to communicate them in the future. It's about your care, your way.

73 services73 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.

70 services64 patients

Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and G0180

This is a service where a doctor or authorized practitioner certifies that you require Medicare-covered home health services. They will communicate with the home health agency and review reports on your health status to ensure you receive appropriate care. This does not involve an in-person visit.

62 services47 patients

Transitional care management services for problem of high complexity 99496

Transitional care management services are designed to ensure a smooth transition from a hospital to home or another care setting for patients with complex health issues. These services include medication management, patient education, and coordination with healthcare providers.

58 services52 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.

43 services43 patients

Physician or allowed practitioner re-certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians a G0179

This procedure involves a doctor or approved practitioner reviewing your health status and re-certifying your need for Medicare-covered home health services. It includes communication with the home health agency and assessment of your health reports, even when you're not physically present.

38 services15 patients

Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) 87880

A detection test by immunoassay for Group A Strep is a quick procedure to identify a bacterial infection in your throat. It involves taking a throat swab and applying it to a test strip, which changes color if Strep bacteria are present.

28 services28 patients

Transitional care management services for problem of at least moderate complexity 99495

Transitional care management services focus on coordinating and managing your care after you leave the hospital. For moderate complexity problems, this involves managing your medications, arranging further treatments, and ensuring you have the necessary follow-ups.

25 services24 patients

Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit G0438

An annual wellness visit is a yearly appointment with your doctor to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's an opportunity to discuss your health status and goals and get a plan tailored for you.

25 services25 patients

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

24 services21 patients

Injection, ketorolac tromethamine, per 15 mg J1885

Ketorolac tromethamine is a medication administered through injection, often used to manage moderate to severe pain. Each 15 mg dose helps to reduce hormones causing inflammation and pain in the body. It is not recommended for long-term use.

24 services12 patients

Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 90677

The Pneumococcal Conjugate Vaccine (PCV20) is a shot given to protect against 20 types of bacteria that can cause serious infections like pneumonia and meningitis. It's administered through a muscle, usually in the arm. It's important for overall health.

21 services21 patients

Administration of pneumococcal vaccine G0009

The pneumococcal vaccine helps protect against pneumococcal bacteria, which can cause severe infections like pneumonia and meningitis. The vaccine is given as an injection, typically in the arm. It's recommended for infants, older adults, and those with certain health conditions.

20 services20 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.

15 services15 patients

Removal of impacted ear wax 69210

Impacted ear wax removal is a safe procedure to clear blockages in the ear canal caused by hardened ear wax. A healthcare professional uses specialized tools or a gentle irrigation method to loosen and remove the wax, improving hearing and alleviating discomfort.

13 services13 patients

X-ray series of abdomen with single x-ray of chest 74022

An X-ray series of the abdomen and a single X-ray of the chest are imaging tests. They help doctors view the structures within your abdomen and chest. These tests can detect issues like blockages, infections, or tumors. You'll be positioned carefully, and the machine captures images.

13 services11 patients

Hospital Affiliations CMS Care Compare 4

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

Thibodaux Regional Medical Center

Acute Care Hospitals · Thibodaux, LA

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number190004

Location602 N Acadia RoadThibodaux, LA 70301 · Lafourche County

Emergency services Birthing friendly

Terrebonne General Medical Center - Parish

Acute Care Hospitals · Houma, LA

4/5 CMS rating

OwnershipGovernment - Hospital District or Authority

CMS Certification Number190008

Location8166 Main StreetHouma, LA 70360 · Terrebonne County

Emergency services Birthing friendly

Ochsner St Mary

Acute Care Hospitals · Morgan City, LA

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number190014

Location1125 Marguerite StreetMorgan City, LA 70380 · St. Mary County

Emergency services

Ochsner St Anne General Hospital

Critical Access Hospitals · Raceland, LA

OwnershipVoluntary non-profit - Other

CMS Certification Number191324

Location4608 Highway 1Raceland, LA 70394 · Lafourche County

Emergency services Birthing friendly

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.

Reported Quality Measures

e-Prescribing

At least one permissible prescription written by the MIPS eligible clinician is queried for a drug formulary and transmitted electronically using certified EHR technology.

84%2,902 patients4/55-star benchmark: 100%

Medication Reconciliation

The MIPS eligible clinician performs medication reconciliation for at least one transition of care in which the patient is transitioned into the care of the MIPS eligible clinician.

80%61 patients3/55-star benchmark: 100%

Patient-Specific Education

The MIPS eligible clinician must use clinically relevant information from CEHRT to identify patient-specific educational resources and provide access to those materials to at least one unique patient seen by the MIPS eligible clinician.

91%970 patients4/55-star benchmark: 99%

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

Percentage of patients aged 18 years and older with a BMI documented during the current encounter or during the previous twelve months AND with a BMI outside of normal parameters, a follow-up plan is documented during the encounter or during the previous…

100%810 patients5/55-star benchmark: 100%

Provide Patient Access

At least one patient seen by the MIPS eligible clinician during the performance period is provided timely access to view online, download, and transmit to a third party their health information subject to the MIPS eligible clinician's discretion to withhold…

92%970 patients4/55-star benchmark: 100%

Secure Messaging

For at least one unique patient seen by the MIPS eligible clinician during the performance period, a secure message was sent using the electronic messaging function of CEHRT to the patient (or the patient-authorized representative), or in response to a secure…

6%970 patients1/55-star benchmark: 59%

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 14

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

17 suppliers118 claims310 services$5.92 avg. paid by Medicare

Lancets, per box of 100 A4259

DME-Medical/Surgical Supplies · category DA000N

13 suppliers80 claims96 services$0.95 avg. paid by Medicare

Bedside drainage bag, day or night, with or without anti-reflux device, with or without tube, each A4357

DME-Orthotic Devices · category DF000N

2 suppliers14 claims28 services$7.66 avg. paid by Medicare

Ostomy skin barrier, with flange (solid, flexible or accordion), extended wear, without built-in convexity, 4 x 4 inches or smaller, each A4409

DME-Orthotic Devices · category DF010N

1 supplier11 claims210 services$5.43 avg. paid by Medicare

Ostomy pouch, urinary; for use on barrier with non-locking flange, with faucet-type tap with valve (2 piece), each A4432

DME-Orthotic Devices · category DF010N

1 supplier11 claims210 services$3.16 avg. paid by Medicare

Appliance cleaner, incontinence and ostomy appliances, per 16 oz. A5131

DME-Orthotic Devices · category DF000N

1 supplier11 claims11 services$13.03 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 9

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

DR. CHESTER GREGORY BOUDREAUX MD

General Practice

142 RUE MARGUERITE
THIBODAUX, LA 70301

Lafourche Parish (985) 446-2131

THIBODAUX INTERNAL MEDICINE ASSOCIATES,INC.

Internal Medicine

142 RUE MARGUERITE
THIBODAUX, LA 70301

Lafourche Parish (985) 446-2131

CATHERINE SPEARS FANGUE N.P.

Nurse Practitioner (Family)

142 RUE MARGUERITE
THIBODAUX, LA 70301

Lafourche Parish (985) 446-2131

DR. JAMES THEARD SOIGNET MD

General Practice

142 RUE MARGUERITE
THIBODAUX, LA 70301

Lafourche Parish (985) 446-2131

PREFERRED PEDIATRICS

Clinic/Center (Medical Specialty)

142 RUE MARGUERITE
THIBODAUX, LA 70301

Lafourche Parish (985) 449-7529

MRS. MARY GRAHAM ESTEVE LSSP

Psychologist (School)

142 RUE MARGUERITE, SUITE A
THIBODAUX, LA 70301

Lafourche Parish (985) 625-0023

HAYLEY CHATAGNIER

Nurse Practitioner (Family)

142 RUE MARGUERITE
THIBODAUX, LA 70301

Lafourche Parish (985) 449-7529

DR. ALYSE BARKER BLANCHARD PH.D.

Psychologist (Clinical)

142 RUE MARGUERITE, SUITE A
THIBODAUX, LA 70301

Lafourche Parish (985) 625-0023

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 Chaisson's NPI number?

The NPI number for Thomas Chaisson is 1902895279. It was assigned to this individual provider in the NPPES registry on October 19, 2005.

Where is Thomas Chaisson located?

Thomas Chaisson practices at 142 Rue Marguerite, Thibodaux, LA 70301. The listed phone number is (985) 446-2131.

What is Thomas Chaisson's specialty?

The primary specialty registered for this NPI is General Practice with taxonomy code 208D00000X.

Is Thomas Chaisson enrolled in Medicare?

Yes. Thomas Chaisson 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 Thomas Chaisson's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Thomas Chaisson reassigns Medicare benefits to Thibodaux Internal Medicine Associates,inc. (Thibodaux, LA). 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 Thomas Chaisson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Thomas Chaisson accept?

Health plans from Blue Cross and Blue Shield of Louisiana and HMO Louisiana list Thomas Chaisson 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 Chaisson affiliated with any hospitals?

According to CMS data, Thomas Chaisson is affiliated with Thibodaux Regional Medical Center, Terrebonne General Medical Center - Parish, Ochsner St Mary and Ochsner St Anne General Hospital.

When was this NPI record last updated?

The NPPES record for Thomas Chaisson was last updated on April 3, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.