Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Koyoh John Ngala, OD

Individual provider Optometrist · NPI 1821078684

Dr. Koyoh John Ngala, OD is an Optometry in Galveston, Texas. Graduated from Illinois College of Optometry at Chicago in 1996, 30 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in Texas.

Years since qualifying
30
Trained at
Illinois College of Optometry at Chicago
Licensed in
TX
In the registry since
2006
What do these letters mean?
OD — Doctor of Optometry
An optometrist: examines eyes, prescribes glasses and contacts, and treats many eye conditions.

See every abbreviation used in this directory →

Practice location Address checks out

6191 Central City Blvd
Galveston, TX 77551-3818
Phone: (409) 744-4940
Fax: (409) 744-6036
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence 5306TG (TX)

Record details

NPI number1821078684
Entity typeIndividual (Type 1)
GenderMale
Credentials OD
Sole proprietorYes
NPI enumeratedJanuary 18, 2006
Last updated in NPPESJune 17, 2024
Certification dateJune 17, 2024

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyOPTOMETRY
Medical schoolILLINOIS COLLEGE OF OPTOMETRY AT CHICAGO
Graduated 1996 (30 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Galveston