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MS. PATTI ANN ST. JOHN M.C.D.
NPI 1033378583
Audiologist-Hearing Aid Fitter in Slidell, LA

Active since June 09, 2008Accepts Medicare Assignment
2050 GAUSE BLVD E STE 200, SLIDELL, LA 70461(985) 646-4400(985) 646-4408 Get Directions Write a Review

NPPES record last updated: May 16, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: May 16, 2025, Feb 26, 2021 (2 updates tracked since 2021).

About Ms. Patti Ann St. John M.c.d. NPPES

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

MS. PATTI ANN ST. JOHN M.C.D. (NPI 1033378583) is an individual audiologist-hearing aid fitter provider in Slidell, Louisiana, licensed in Louisiana (3276) and active in the NPI registry since June 2008. She maintains a secondary practice location in Marrero and is a graduate of Other (1990).

NPPES Registry Identity

NPI1033378583
Entity TypeIndividualFemale
Primary Taxonomy237600000X
Provider Legal NameMS. PATTI ANN ST. JOHNCredential: M.C.D.
Location Address2050 GAUSE BLVD E STE 200Slidell, LA 70461-5425
Mailing Address5959 S Sherwood Forest BlvdBaton Rouge, LA 70816-6038 · (985) 646-4400 · Fax (225) 765-9196
Phone(985) 646-4400
Fax(985) 646-4408
Sole ProprietorYes
Medical School CMSOtherGraduated 1990
Enumeration DateJune 9, 2008
Last NPPES UpdateMay 16, 20252 updates tracked since enumeration
NPPES CertifiedMay 16, 2025
✔ NPI 1033378583 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAudiologist-Hearing Aid FitterSpeech, Language and Hearing Service Providers
Taxonomy Code237600000X
License✔ Licensed in LA · 3276
Definition
An audiologist/hearing aid fitter is the professional who specializes in evaluating and treating people with hearing loss, conducts a wide variety of tests to determine the exact nature of an individual's hearing problem, presents a variety of treatment options to patients, dispenses and fits hearing aids, administers tests of balance to evaluate dizziness and provides hearing rehabilitation training. This classification should be used where individuals are licensed as audiologist-hearing aid fitters as opposed to states that license individuals as audiologists.
2050 GAUSE BLVD E STE 200, Slidell, LA 70461
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Secondary Practice Location 1

Location 11111 Medical Center Blvd Ste S630Marrero, LA 70072-3194 · Phone (504) 340-6976 · Fax (504) 649-6786

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Magnolia Health and more.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

Ms. Patti Ann St. John M.c.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 ID3274600986
PECOS Enrollment IDI20080923000140

Areas of Expertise CMS Part B claims 6

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.

Comprehensive hearing and speech recognition test 92557
A comprehensive hearing and speech recognition test assesses your ability to hear and understand spoken words. It includes hearing tests to check for issues with sound perception and speech tests to evaluate your word recognition. It's a crucial step in identifying any hearing or speech problems.
65 services62 patients
Test to assess electrical potentials generated in the inner ear as a result of sound stimulation 92584
This test, known as an auditory brainstem response test, checks how your inner ear responds to sound. It measures the electrical signals your ear sends to your brain when it hears a noise. It's a simple, non-invasive procedure that helps identify hearing issues.
15 services15 patients
Test for eardrum and muscle function 92550
This test assesses the health of your eardrum and muscles linked to hearing. A small device is placed in your ear that creates pressure changes and sounds. Your ear's responses are recorded to determine if they are functioning properly.
14 services14 patients
Placement of ear probe for computerized measurement of repeated sounds with interpretation and report 92588
This procedure involves placing a probe in your ear to measure how it responds to repeated sounds. The data is then interpreted by a computer to assess your hearing health. The findings are compiled into a report for further evaluation.
13 services13 patients
Test to assess balance during warm and cool irrigation in both ears 92537
This is a test called caloric stimulation, used to check your balance function. During this procedure, warm and cool water are gently introduced into your ears. Your eye movements are then observed, as they can indicate issues with balance or inner ear function.
12 services12 patients
Evaluation and testing for balance with recording 92540
This procedure involves a series of evaluations and tests to analyze your balance. Recordings are made to track your performance, helping identify any issues. This aids in determining the best treatment for any balance disorders you may have.
12 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 70461 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
$53.43 typical visit price
range $53.43 – $164.73
Typical copayment $13.35 (range $13.35 – $41.18)
Most-billed visit code 99202
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 5

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

ELIZABETH KIM MONTGOMERY AU.D., CCC-A
Audiologist
2050 GAUSE BLVD E STE 200
SLIDELL, LA 70461
St. Tammany Parish (985) 646-4400
DR. ALICIA MOORE AU
Audiologist
2050 GAUSE BLVD E STE 200
SLIDELL, LA 70461
St. Tammany Parish (985) 646-4400
MR. BRIAN SCOTT MCMANUS M.D.
Otolaryngology
2050 GAUSE BLVD E STE 200
SLIDELL, LA 70461
St. Tammany Parish (985) 646-4400
MRS. SARAH S. MCGUIRE APRN, FNP-BC
Nurse Practitioner (Family)
2050 GAUSE BLVD E STE 200
SLIDELL, LA 70461
St. Tammany Parish (985) 646-4400
DR. LOUIS CARL HEBERT M.D.
Otolaryngology
2050 GAUSE BLVD E STE 200
SLIDELL, LA 70461
St. Tammany Parish (985) 646-4400

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 Patti St. John's NPI number?

The NPI number for Patti St. John is 1033378583. It was assigned to this individual provider in the NPPES registry on June 9, 2008.

Where is Patti St. John located?

Patti St. John practices at 2050 Gause Blvd E Ste 200, Slidell, LA 70461. The listed phone number is (985) 646-4400.

What is Patti St. John's specialty?

The primary specialty registered for this NPI is Audiologist-Hearing Aid Fitter with taxonomy code 237600000X.

Is Patti St. John enrolled in Medicare?

Yes. Patti St. John 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 Patti St. John accept?

Health plans from Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Magnolia Health, Ambetter from Superior HealthPlan and AmeriHealth Caritas Next and 2 other insurers list Patti St. John 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 Patti St. John was last updated on May 16, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.