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

Mark Libassi, DO

Individual provider Optician · NPI 1548540438

Mark Libassi, DO is an Optician in Johnston, Rhode Island. Practices as a sole proprietor. Licensed in Rhode Island.

Licensed in
RI
In the registry since
2011
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

1395 Atwood Ave Ste 103
Johnston, RI 02919-4930
Phone: (401) 943-4330
Fax: (401) 943-4331
Show map & directions

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

Specialties & licences

Optician (primary) Taxonomy 156FX1800X · Licence 113 (RI)

Record details

NPI number1548540438
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorYes
NPI enumeratedAugust 23, 2011
Last updated in NPPESApril 8, 2019