Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1629111083 Individual Practitioner Male Practitioner

Dr. John T Barker , OD

Optometrist • Cumming, GA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. John Barker, OD is a certified Optometrist practicing in Cumming, GA. With approximately 26 years of clinical experience since completing medical education in 2000, Dr. Barker delivers high-quality medical care to the local community at 970 SANDERS RD.

Dr. Barker is affiliated with Barkerandtruong, O.D., P.C. and accepts Medicare assignment.

Practice Location & Contact Primary Location

Practice Address

970 Sanders Rd
Suite 100

Cumming, GA 300415979

Telephone 6783812020
Fax 6783812015
Associated Practice Facility / Clinic

Medicare Profile & Education

Medical School

Other

Graduation Year

2000

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Optometrist in Cumming, GA

Senior Veteran Specialist (>20 Yrs)
Practitioner Clinical Experience
26 Yrs +4.4 yrs vs City Avg
City Avg: 21.6 Yrs
State Avg: 22.3 Yrs
Regional Practice Density
34 Specialists

Practicing in Cumming, GA (1498 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

Clinical Seniority & Experience Comparison

Dr. Barker (26 Years) 26 Yrs
Cumming Specialty Average (21.6 Years) 21.6 Yrs

Medical Specialties & State Licenses

Optometrist Primary Specialty

NUCC Taxonomy Code: 152W00000X

State License GA OPT001877

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.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID
559650785A (GA)

Hospital & Practice Group Affiliations

Barkerandtruong, O.d., P.c.

975 Peachtree Pkwy A, Cumming, GA 300416844

Phone: 6782082375

Practice Associates & Co-Workers

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

29 Associated Practitioners
NPI 1013129725

Doctor of Medicine (M.D.)

NPI 1083053318

Doctor of Optometry

NPI 1124045893

Doctor of Optometry

NPI 1174067136

Doctor of Optometry

Dr. Han Yang Yin , MD

Student in an Organized Health Care Education/Training Program

NPI 1184070047

Doctor of Medicine (M.D.)

NPI 1205405339

Doctor of Optometry

Career & Practice History Timeline

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

6 Historical Events
NPI Profile Active September 30, 2015

NPI status registered as active in NPPES database

📍
Updated Practice Location September 30, 2015

Registered at 970 SANDERS RD, SUITE 100, CUMMING, GA 300415979 (Tel: 6783812020)

📍
Updated Business Mailing Address September 30, 2015

Registered at 970 SANDERS RD 100, CUMMING, GA 300415979 (Tel: 6783812020)

👤
Provider Name / Credentials Updated September 30, 2015

Recorded as JOHN BARKER, O.D.

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) September 30, 2015

Optometrist (License #OPT001877 in GA)

🟢
Initial NPI Registration & Enumeration February 15, 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: 1629111083
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: February 15, 2007
Last Update: September 30, 2015
Sole Proprietor: No

Mailing Address

970 Sanders Rd 100

Cumming, GA 300415979

Phone: 6783812020

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.