Independent US Healthcare Provider Directory & Public Medical Database
Deactivated NPI 1720071863 Deactivated / Inactive NPI Male Practitioner

Dr. Freddy Wilfred Chang , OD PHD

Optometrist • Memphis, TN

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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. Freddy Chang has officially deactivated this NPI record and ceased active healthcare practice.

Registration / Start Date August 24, 2005
NPI Deactivation Date December 21, 2018
Total Practice Duration ~13 Years of Practice (2005 – 2018)

Professional Overview & Biography Verified Profile Summary

Dr. Freddy Chang, OD PHD was a registered Optometrist practicing in Memphis, TN. Throughout an active medical career spanning 13 years, Dr. Chang provided care at the practice location at 1225 MADISON AVE until profile deactivation on 2018-12-21.

Practice Location & Contact Primary Location

Practice Address

1225 Madison Ave

Memphis, TN 381042211

Telephone 9017223250
Fax 9017223347
Associated Practice Facility / Clinic
🏢 Southern College Of Optometry Facility NPI 1851384986

Specialty Benchmarks & Practice Insights

Comparative analytics for Optometrist in Memphis, TN

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 19.5 Yrs
State Avg: 22.1 Yrs
Regional Practice Density
238 Specialists

Practicing in Memphis, TN (1373 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

Optometrist Primary Specialty

NUCC Taxonomy Code: 152W00000X

State License TN 2241

Doctors of optometry (ODs) are the primary health care professionals for the eye. Optometrists examine, diagnose, treat, and manage diseases, injuries, and disorders of the visual system, the eye, and associated structures as well as identify related systemic conditions affecting the eye. An optometrist has completed pre-professional undergraduate education in a college or university and four years of professional education at a college of optometry, leading to the doctor of optometry (O.D.) degree. Some optometrists complete an optional residency in a specific area of practice. Optometrists are eye health care professionals state-licensed to diagnose and treat diseases and disorders of the eye and visual system.

Practice Associates & Co-Workers

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

40 Associated Practitioners
NPI 1023239712

Doctor of Optometry

NPI 1033424437

Doctor of Optometry

NPI 1043765936

Doctor of Optometry

NPI 1063463941

Doctor of Optometry

NPI 1073965158

Doctor of Optometry

NPI 1114181096

Doctor of Optometry

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 December 21, 2018

Record deactivated on December 21, 2018

NPI Profile Active July 06, 2010

NPI status registered as active in NPPES database

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Updated Practice Location July 06, 2010

Registered at 1225 MADISON AVE, MEMPHIS, TN 381042211 (Tel: 9017223250)

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Updated Business Mailing Address July 06, 2010

Registered at 1225 MADISON AVE, MEMPHIS, TN 381042211 (Tel: 9017223250)

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Provider Name / Credentials Updated July 06, 2010

Recorded as FREDDY CHANG, OD PHD

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Medical Taxonomy / Specialty Registered (Primary Specialty) July 06, 2010

Optometrist (License #2241 in TN)

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Initial NPI Registration & Enumeration August 24, 2005

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: 1720071863
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: August 24, 2005
Last Update: July 06, 2010
Deactivation Date: December 21, 2018

Mailing Address

1225 Madison Ave

Memphis, TN 381042211

Phone: 9017223250

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.