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JOHN STEWART M.S., FAAA
NPI 1336330760
Audiologist-Hearing Aid Fitter in Stillwater, OK

Active since August 09, 2007Accepts Medicare Assignment
129 W 7TH AVE, STILLWATER, OK 74074(405) 372-2657(405) 372-2749 Get Directions Write a Review

NPPES record last updated: February 2, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Feb 2, 2026, Jan 26, 2026 (2 updates tracked since 2026).

About John Stewart M.s., Faaa NPPES

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

JOHN STEWART M.S., FAAA (NPI 1336330760) is an individual audiologist-hearing aid fitter provider in Stillwater, Oklahoma, licensed in Oklahoma (297) and active in the NPI registry since August 2007. He is a graduate of Other (2000).

NPPES Registry Identity

NPI1336330760
Entity TypeIndividualMale
Primary Taxonomy237600000X
Provider Legal NameJOHN STEWARTCredential: M.S., FAAA
Location Address129 W 7TH AVEStillwater, OK 74074-4055
Mailing Address129 W 7th AveStillwater, OK 74074-4055 · (405) 372-2657 · Fax (405) 372-2749
Phone(405) 372-2657
Fax(405) 372-2749
Sole ProprietorYes
Medical School CMSOtherGraduated 2000
Enumeration DateAugust 9, 2007
Last NPPES UpdateFebruary 2, 20262 updates tracked since enumeration
NPPES CertifiedFebruary 2, 2026
✔ NPI 1336330760 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 OK · 297
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.
129 W 7TH AVE, Stillwater, OK 74074
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Oklahoma, CommunityCare, Medica 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

John Stewart M.s., Faaa 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 ID3678650652
PECOS Enrollment IDI20080402000251

Areas of Expertise CMS Part B claims 4

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.

Test to assess middle ear function 92567
A test to assess middle ear function, also known as an impedance audiometry, helps evaluate how well your middle ear works. It measures the movement of your eardrum in response to changes in air pressure. This can help identify issues like fluid build-up, ear infections, or eardrum perforations.
374 services357 patients
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.
371 services355 patients
Test for hearing various pitches using earphone 92552
This is a hearing test where earphones are worn to detect different pitch levels. Sounds of various frequencies are played, and you indicate when you hear them. This helps evaluate your hearing ability. It's safe, comfortable, and non-invasive.
15 services15 patients
Test for ability to detect and repeat spoken words with speech recognition 92556
This is a hearing test where you'll listen to spoken words through headphones and repeat them. It helps evaluate your ability to understand speech. It's a simple, non-invasive procedure that provides valuable information about your hearing health.
11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 74074 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
$53.00 typical visit price
range $53.00 – $162.61
Typical copayment $13.25 (range $13.25 – $40.65)
Most-billed visit code 99202
Established Patient
$66.48 typical visit price
range $16.68 – $132.40
Typical copayment $16.62 (range $4.17 – $33.10)
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 4

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

KATHLEEN DUPEE
Hearing Instrument Specialist
129 W 7TH AVE
STILLWATER, OK 74074
Payne County (405) 372-2657
CALEY DANIELLE HYBSHA AUD
Audiologist-Hearing Aid Fitter
129 W 7TH AVE
STILLWATER, OK 74074
Payne County (405) 372-2657
CARA CRAWLEY AU.D.,CCC-A
Audiologist-Hearing Aid Fitter
129 W 7TH AVE
STILLWATER, OK 74074
Payne County (405) 372-2657
JD STEWART COMPANIES PLLC
Audiologist-Hearing Aid Fitter
129 W 7TH AVE
STILLWATER, OK 74074
Payne County (405) 372-2657

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 John Stewart's NPI number?

The NPI number for John Stewart is 1336330760. It was assigned to this individual provider in the NPPES registry on August 9, 2007.

Where is John Stewart located?

John Stewart practices at 129 W 7th Ave, Stillwater, OK 74074. The listed phone number is (405) 372-2657.

What is John Stewart's specialty?

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

Is John Stewart enrolled in Medicare?

Yes. John Stewart 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 John Stewart accept?

Health plans from Blue Cross and Blue Shield of Oklahoma, CommunityCare, Medica, Mending Health and UnitedHealthcare list John Stewart 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 John Stewart was last updated on February 2, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.