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Deactivated NPI 1720111669 Deactivated / Inactive NPI Male Practitioner

Dr. David I Mason , PhD

Audiologist • Clayton, MO

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Notice of NPI Deactivation & Inactive Practice Status

According to official public domain records published by CMS (Centers for Medicare & Medicaid Services) in the National Provider Identifier (NPPES) Registry, Dr. David Mason has officially deactivated this NPI record and ceased active healthcare practice.

Registration / Start Date March 13, 2007
NPI Deactivation Date April 05, 2023
Total Practice Duration ~16 Years of Practice (2007 – 2023)

Professional Overview & Biography Verified Profile Summary

Dr. David Mason, PhD was a registered Audiologist practicing in Clayton, MO. Throughout an active medical career spanning 16 years, Dr. Mason provided care at the practice location at 950 FRANCIS PL until profile deactivation on 2023-04-05.

Practice Location & Contact Primary Location

Practice Address

950 Francis Pl
Suite 200

Clayton, MO 631052465

Telephone 3147252656
Fax 3147252680
Associated Practice Facility / Clinic

Specialty Benchmarks & Practice Insights

Comparative analytics for Audiologist in Clayton, MO

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 10.5 Yrs
State Avg: 15.7 Yrs
Regional Practice Density
1 Specialists

Practicing in Clayton, MO (494 Statewide)

Telehealth Adoption Rate
0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Medical Specialties & State Licenses

Audiologist Primary Specialty

NUCC Taxonomy Code: 231H00000X

State License MO 01496

(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.

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

9 Associated Practitioners
Lydia Seibert , PT

Physical Therapist

NPI 1124247036

Physical Therapist

Dr. Richard Davidson , DMD, MS

Dentist - Periodontics

NPI 1174732416

Doctor of Dental Medicine, Master of Science

NPI 1184712135

Doctor of Dental Medicine

Dr. Suzanne Gregoire , PhD, DMD

Dentist - General Practice

NPI 1194998724

Doctor of Philosophy (Ph.D.), Doctor of Dental Medicine

Dr. Katlin Kertz , DPT

Physical Therapist

NPI 1417429564

Doctor of Physical Therapy

Dr. Steven Chod , DDS

Dentist - Endodontics

NPI 1518093699

Doctor of Dental Surgery

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

7 Historical Events
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NPI Profile Deactivated April 05, 2023

Record deactivated on April 05, 2023

NPI Profile Active April 23, 2015

NPI status registered as active in NPPES database

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Updated Practice Location April 23, 2015

Registered at 950 FRANCIS PL, SUITE 200, CLAYTON, MO 631052465 (Tel: 3147252656)

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Updated Business Mailing Address April 23, 2015

Registered at 950 FRANCIS PL, SUITE 200, CLAYTON, MO 631052465 (Tel: 3147252656)

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Provider Name / Credentials Updated April 23, 2015

Recorded as DAVID MASON, PH.D.

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Medical Taxonomy / Specialty Registered (Primary Specialty) April 23, 2015

Audiologist (License #01496 in MO)

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Initial NPI Registration & Enumeration March 13, 2007

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1720111669
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: March 13, 2007
Last Update: April 23, 2015
Deactivation Date: April 05, 2023

Mailing Address

950 Francis Pl, Suite 200

Clayton, MO 631052465

Phone: 3147252656

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.