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

Dr. Ivy Tat Madson, OD, MS

Individual provider Optometrist · NPI 1265682645

Dr. Ivy Tat Madson, OD, MS is an Optometrist in Washington, District of Columbia. Practices as a sole proprietor. Licensed in District of Columbia.

Licensed in
DC
In the registry since
2008
What do these letters mean?
OD — Doctor of Optometry
An optometrist: examines eyes, prescribes glasses and contacts, and treats many eye conditions.
MS — Master of Science
A graduate science degree.

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Practice location Address checks out

100 M St SE Ste 675
Washington, DC 20003-3519
Phone: (800) 485-9196
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence OP2000530 (DC)

Record details

NPI number1265682645
Entity typeIndividual (Type 1)
GenderFemale
Credentials OD , MS
Sole proprietorYes
NPI enumeratedSeptember 23, 2008
Last updated in NPPESOctober 31, 2022
Certification dateOctober 31, 2022

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