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
Mailing address1450 Atwood Avenue, Johnston, RI 02919-4840