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

Dr. Duyen C Xin, OD

Individual provider Optometrist · NPI 1871871657

Dr. Duyen C Xin, OD is an Optometrist in Alton, Illinois. Works from 2 locations. Licensed in Florida, Illinois and Missouri.

Licensed in
FL, IL, MO
In the registry since
2011
Specialties on file
3
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

211 E Broadway
Alton, IL 62002
Phone: (618) 462-9818
Fax: (314) 741-4947
Show map & directions

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

Additional practice locations (1)

  • 211 E Broadway, Alton, IL 62002-6220 — (618) 462-9818

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence OPC5294 (FL)
Optometrist Taxonomy 152W00000X · Licence 2011020321 (MO)
Optometrist Taxonomy 152W00000X · Licence 046010493 (IL)

Record details

NPI number1871871657
Entity typeIndividual (Type 1)
GenderFemale
Credentials OD
Sole proprietorNo
NPI enumeratedJuly 28, 2011
Last updated in NPPESAugust 16, 2018

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