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

Mark W Balles, MD

Individual provider Ophthalmology Physician · NPI 1780654392

Mark W Balles, MD is an Ophthalmology Physician in Portland, Maine. Practices as a sole proprietor. Licensed in Maine.

Licensed in
ME
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

195 Fore River Pkwy Ste 480
Portland, ME 04102-2787
Phone: (207) 773-3937
Fax: (207) 773-0801
Show map & directions

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

Specialties & licences

Ophthalmology Physician (primary) Taxonomy 207W00000X · Licence 014047 (ME)

Record details

NPI number1780654392
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJanuary 25, 2006
Last updated in NPPESJanuary 7, 2010

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