WILLIAM CHASTANT MD
NPI 1770087504
Internal Medicine - Gastroenterology in Lafayette, LA

Active since March 19, 2018PECOS EnrolledAccepts Medicare Assignment
1211 COOLIDGE BLVD STE 303, LAFAYETTE, LA 70503(372) 326-6973(337) 500-1358 Get Directions Write a Review

NPPES record last updated: July 29, 2024. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 29, 2024, Jun 17, 2021, Apr 5, 2021 and 3 more (6 updates tracked since 2018).

About William Chastant Md NPPES

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

WILLIAM CHASTANT MD (NPI 1770087504) is an individual gastroenterology provider in Lafayette, Louisiana, licensed in Louisiana (327114) and active in the NPI registry since March 2018. He is enrolled in Medicare PECOS, is affiliated with Ochsner Lafayette General Medical Center, and maintains a secondary practice location in New Orleans.

NPPES Registry Identity

NPI1770087504
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameWILLIAM CHASTANTCredential: MD
Location Address1211 COOLIDGE BLVD STE 303Lafayette, LA 70503-2636
Mailing Address1211 Coolidge Blvd Ste 303Lafayette, LA 70503-2636 · (372) 326-6973 · Fax (337) 500-1358
Fax(337) 500-1358
Sole ProprietorNo
Medical School CMSLouisiana State University School Of Medicine In New OrleansGraduated 2018
Enumeration DateMarch 19, 2018
Last NPPES UpdateJuly 29, 20246 updates tracked since enumeration
NPPES CertifiedJuly 29, 2024
NPI 1770087504 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License Licensed in LA · 327114
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
1211 COOLIDGE BLVD STE 303, Lafayette, LA 70503

Secondary Practice Location 1

Location 12000 Canal StNew Orleans, LA 70112-3018 · Phone (504) 702-3000

Accepted 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

William Chastant 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 ID9830599794
PECOS Enrollment IDI20240724001307
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 11

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.

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.
131 services94 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.
116 services113 patients
Pathology examination of tissue using a microscope, intermediate complexity 88305
A pathology examination of tissue with intermediate complexity involves studying a small sample of your body tissue under a microscope. This helps in identifying any abnormal cells or signs of disease. It's a detailed process requiring expert analysis to ensure accurate results.
44 services17 patients
Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43235
This procedure, known as an upper endoscopy, involves inserting a thin, flexible tube with a camera down the throat to examine the esophagus, stomach, and upper small bowel. It helps diagnose conditions like ulcers or inflammation.
38 services37 patients
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239
This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.
26 services26 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.
25 services15 patients

Hospital Affiliations CMS Care Compare 2

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

Ochsner Lafayette General Medical Center

Acute Care Hospitals · Lafayette, LA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number190002
Location1214 Coolidge AvenueLafayette, LA 70503 · Lafayette County
Emergency services Birthing friendly

Our Lady Of Lourdes Regional Medical Center, Inc

Acute Care Hospitals · Lafayette, LA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number190102
Location4801 Ambassador Caffery ParkwayLafayette, LA 70508 · Lafayette County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 70503 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
$95.09 typical visit price
range $16.64 – $133.62
Typical copayment $23.77 (range $4.16 – $33.40)
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.

Other Providers at the Same Location NPPES 13

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

Nurse Practitioner (Family)
1211 COOLIDGE BLVD STE 303
LAFAYETTE, LA 70503
Physician Assistant (Medical)
1211 COOLIDGE BLVD STE 303
LAFAYETTE, LA 70503
Internal Medicine (Gastroenterology)
1211 COOLIDGE BLVD STE 303
LAFAYETTE, LA 70503
Physician Assistant
1211 COOLIDGE BLVD STE 303
LAFAYETTE, LA 70503
Internal Medicine (Gastroenterology)
1211 COOLIDGE BLVD STE 303
LAFAYETTE, LA 70503
Nurse Practitioner (Family)
1211 COOLIDGE BLVD STE 303
LAFAYETTE, LA 70503
Internal Medicine (Gastroenterology)
1211 COOLIDGE BLVD STE 303
LAFAYETTE, LA 70503
Counselor (Mental Health)
1211 COOLIDGE BLVD STE 303
LAFAYETTE, LA 70503

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 William Chastant's NPI number?

The NPI number for William Chastant is 1770087504. It was assigned to this individual provider in the NPPES registry on March 19, 2018.

Where is William Chastant located?

William Chastant practices at 1211 Coolidge Blvd Ste 303, Lafayette, LA 70503. The listed phone number is (372) 326-6973.

What is William Chastant's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is William Chastant enrolled in Medicare?

Yes. William Chastant 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 William Chastant accept?

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

According to CMS data, William Chastant is affiliated with Ochsner Lafayette General Medical Center and Our Lady Of Lourdes Regional Medical Center, Inc.

When was this NPI record last updated?

The NPPES record for William Chastant was last updated on July 29, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.