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

Dr. Mark D Barsamian, DO

Individual provider Retina Specialist (Ophthalmology) Physician · NPI 1821204207

Dr. Mark D Barsamian, DO is an Ophthalmology in Hopedale, Massachusetts. Qualified in 2003, 23 years ago. Practices as a sole proprietor, works from 2 locations and accepts Medicare assignment. Licensed in Massachusetts and Rhode Island.

Years since qualifying
23
Licensed in
MA, RI
In the registry since
2007
Specialties on file
2
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.

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Practice location Address checks out

54 Hopedale St Ste 1
Hopedale, MA 01747-1732
Phone: (774) 396-6905
Fax: (810) 202-7533
Show map & directions

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

Additional practice locations (1)

  • 281 Lincoln St, Worcester, MA 01605-2138 — (508) 334-6855

Specialties & licences

Retina Specialist (Ophthalmology) Physician (primary) Taxonomy 207WX0107X · Licence 243559 (MA)
Retina Specialist (Ophthalmology) Physician Taxonomy 207WX0107X · Licence DO00851 (RI)

Record details

NPI number1821204207
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorYes
NPI enumeratedMay 15, 2007
Last updated in NPPESJanuary 29, 2026
Certification dateJanuary 29, 2026
Mailing address8 Nottingham Rd, Westborough, MA 01581-2408

Medicare enrollment

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

Medicare specialtyOPHTHALMOLOGY
Medical schoolOTHER
Graduated 2003 (23 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

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