Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

MR. WILLIAM LOUIS ANDERSON FNP
NPI 1548516073
Nurse Practitioner - Family in Youngsville, LA

Q: What is William Anderson's NPI number?

The NPI number for William Anderson is 1548516073. It was assigned to this individual provider in the NPPES registry on August 2, 2012. The provider is also known as Mr. Louis Anderson Fnp.

Q: What is William Anderson's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Q: When was this NPI record last updated?

The NPPES record for William Anderson was last updated on July 8, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since August 02, 2012PECOS EnrolledAccepts Medicare Assignment

1630 CHEMIN METAIRIE PKWY, YOUNGSVILLE, LA 70592(337) 573-1444 Get Directions Write a Review

NPPES record last updated: July 8, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.

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About Mr. William Louis Anderson Fnp NPPES

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

MR. WILLIAM LOUIS ANDERSON FNP (NPI 1548516073) is an individual family provider in Youngsville, Louisiana, licensed in Louisiana (AP06987) and active in the NPI registry since August 2012. He is enrolled in Medicare PECOS, maintains a secondary practice location in Lafayette, and is a graduate of Other (2012).

NPPES Registry Identity

NPI1548516073

Entity TypeIndividualMale

Primary Taxonomy363LF0000X

Provider Legal NameMR. WILLIAM LOUIS ANDERSONCredential: FNP

Location Address1630 CHEMIN METAIRIE PKWYYoungsville, LA 70592-6780

Mailing Address5959 S Sherwood Forest BlvdBaton Rouge, LA 70816-6038 · (337) 573-1444

Phone(337) 573-1444

Sole ProprietorNo

Medical School CMSOtherGraduated 2012

Enumeration DateAugust 2, 2012

Last NPPES UpdateJuly 8, 2026

NPPES CertifiedJuly 8, 2026

✔ NPI 1548516073 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LF0000X

License✔ Licensed in LA · AP06987

1630 CHEMIN METAIRIE PKWY, Youngsville, LA 70592

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Other Names 1

Professional Name (2)Mr. Louis Anderson Fnp

Secondary Practice Location 1

Location 1108 Rue Louis XivLafayette, LA 70508-5739 · Phone (337) 235-8007 · Fax (337) 235-8008

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include AmeriHealth Caritas Next.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

Mr. William Louis Anderson Fnp 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 ID8527217900

PECOS Enrollment IDI20120928000027

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 12

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.

Injection, dexamethasone sodium phosphate, 1 mg J1100

Dexamethasone sodium phosphate is a medication given via injection. It is a type of steroid that helps reduce inflammation and immune responses. It can be used to treat a variety of conditions, such as allergies, skin conditions, arthritis, and more.

140 services14 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.

137 services128 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.

116 services58 patients

Assessment of emotional or behavioral problems 96127

Assessment of emotional or behavioral problems involves a thorough evaluation of your feelings, thoughts, and behaviors. It's a process where professionals study patterns over time to identify potential issues like anxiety, depression, or other mental health conditions.

96 services48 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.

77 services77 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.

75 services75 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.

42 services42 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.

41 services40 patients

Automated urinalysis test 81003

An automated urinalysis test is a routine examination that checks your urine for various substances. It can help identify potential health issues such as kidney problems or diabetes. The test uses a machine to analyze a small urine sample, providing quick and accurate results.

38 services38 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.

18 services18 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.

14 services14 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.

14 services14 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 70592 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

$83.60 typical visit price

range $53.43 – $164.73

Typical copayment $20.90 (range $13.35 – $41.18)

Most-billed visit code 99203

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.

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 Anderson's NPI number?

The NPI number for William Anderson is 1548516073. It was assigned to this individual provider in the NPPES registry on August 2, 2012. The provider is also known as Mr. Louis Anderson Fnp.

Where is William Anderson located?

William Anderson practices at 1630 Chemin Metairie Pkwy, Youngsville, LA 70592. The listed phone number is (337) 573-1444.

What is William Anderson's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is William Anderson enrolled in Medicare?

Yes. William Anderson 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 Anderson accept?

Health plans from AmeriHealth Caritas Next list William Anderson 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.

When was this NPI record last updated?

The NPPES record for William Anderson was last updated on July 8, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.