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GILBERT L PHON AU.D., FAAA
NPI 1952440703
Audiologist in Saint Peters, MO

Active since February 06, 2007
4200 N CLOVERLEAF DR, SUITE B, SAINT PETERS, MO 63376(636) 441-7470(636) 441-4270 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Gilbert L Phon Au.d., Faaa NPPES

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

GILBERT L PHON AU.D., FAAA (NPI 1952440703) is an individual audiologist in Saint Peters, Missouri, licensed in Missouri (684) and active in the NPI registry since February 2007.

NPPES Registry Identity

NPI1952440703
Entity TypeIndividualMale
Primary Taxonomy231H00000X
Provider Legal NameGILBERT L PHONCredential: AU.D., FAAA
Location Address4200 N CLOVERLEAF DR, SUITE BSaint Peters, MO 63376-6436
Mailing Address4200 N Cloverleaf Dr, Suite BSaint Peters, MO 63376-6436 · (636) 441-7470 · Fax (636) 441-4270
Phone(636) 441-7470
Fax(636) 441-4270
Sole ProprietorYes
Enumeration DateFebruary 6, 2007
Last NPPES UpdateJuly 8, 2007
✔ NPI 1952440703 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAudiologistSpeech, Language and Hearing Service Providers
Taxonomy Code231H00000X
License✔ Licensed in MO · 684
Definition
(1) A specialist in evaluation, habilitation and rehabilitation of those whose communication disorders center in whole or in part in hearing function. Audiologists are autonomous professionals who identify, assess, and manage disorders of the auditory, balance and other neural systems. Audiologists provide audiological (aural) rehabilitation to children and adults across the entire age span. Audiologists select, fit and dispense amplification systems such as hearing aids and related devices. (2) An audiologist is a person qualified by a master's degree in audiology, licensed by the state, where applicable, and practicing within the scope of that license. Audiologists evaluate and treat patients with impaired hearing. They plan, direct and conduct rehabilitative programs with audiotry substitutional devises (hearing aids) and other therapy.
4200 N CLOVERLEAF DR, Saint Peters, MO 63376
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Other Identifiers 2

Other192715MO · Blue Cross Blue Shield
Other00000002201MO · Mercy Premier

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arkansas Health & Wellness, Ambetter from Sunflower Health Plan, Ambetter Health and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Gilbert L Phon Au.d., Faaa is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Billing Reassignments

2

Medicare enrollment records show Gilbert Phon reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

The Audiology Center, LLC
0.5 mi
Audiologist
4704 MEXICO RD
Saint Peters, MO 63376
  • Reassigned Medicare billing, Missouri enrollment
  • 6 clinicians in this Medicare group
NPI 1366920555 (636) 441-7470
Benjamin Liess Ent LLC
1,101 mi
Otolaryngology
144 US ROUTE 1
Scarborough, ME 04074
  • Reassigned Medicare billing, Maine enrollment
  • 4 clinicians in this Medicare group
NPI 1518431642 (207) 415-4841

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 2

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.
84 services79 patients
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.
15 services15 patients

Other Providers at the Same Location NPPES 15

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

ABBEY GOSLIN
Speech-Language Pathologist
4200 N CLOVERLEAF DR
SAINT PETERS, MO 63376
St. Charles County (636) 922-4700
DR. CHRISTOPHER EDWARD SITARSKI D.C.
Chiropractor
4200 N CLOVERLEAF DR, SUITE M
SAINT PETERS, MO 63376
St. Charles County (314) 402-8620
ROMULO JOVEN FAJATIN MD
Internal Medicine
4200 N CLOVERLEAF DR, STE A
ST PETERS, MO 63376
St. Charles County (636) 939-9000
ALLERGY & ASTHMA SPECIALISTS PC
Allergy & Immunology (Allergy)
4200 N CLOVERLEAF DR, SUITE G
SAINT PETERS, MO 63376
St. Charles County (636) 928-1232
JESSICA DELVECCHIO OTR/L
Occupational Therapist
4200 N CLOVERLEAF DR
SAINT PETERS, MO 63376
St. Charles County (636) 922-4700
DR. WILLIAM CHARLES DALE III D.M.D.
Dentist
4200 N CLOVERLEAF DR, STE. Q
SAINT PETERS, MO 63376
St. Charles County (636) 928-1167
SEIM CHIROPRACTIC LLC
Chiropractor
4200 N CLOVERLEAF DR, SUITE M
SAINT PETERS, MO 63376
St. Charles County (636) 248-9745
IBRAHIM S UMAR M P C
Clinic/Center (Primary Care)
4200 N CLOVERLEAF DR, SUITE N
SAINT PETERS, MO 63376
St. Charles County (636) 922-9182

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 Gilbert Phon's NPI number?

The NPI number for Gilbert Phon is 1952440703. It was assigned to this individual provider in the NPPES registry on February 6, 2007.

Where is Gilbert Phon located?

Gilbert Phon practices at 4200 N Cloverleaf Dr Suite B, Saint Peters, MO 63376. The listed phone number is (636) 441-7470.

What is Gilbert Phon's specialty?

The primary specialty registered for this NPI is Audiologist with taxonomy code 231H00000X.

Is Gilbert Phon enrolled in Medicare?

Yes. Gilbert Phon is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Gilbert Phon's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gilbert Phon reassigns Medicare benefits to 2 organizations: The Audiology Center, LLC (Saint Peters, MO) and Benjamin Liess Ent LLC (Scarborough, ME). Each 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 Gilbert Phon's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Gilbert Phon accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Arkansas Health & Wellness, Ambetter from Sunflower Health Plan and Ambetter of Oklahoma and 1 other insurer list Gilbert Phon 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 Gilbert Phon was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.