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

Mark Greenwald

Individual provider Ophthalmology Physician · NPI 1720144975

Mark Greenwald is an Ophthalmology Physician in Denver, Colorado. Works from 2 locations. Licensed in Colorado and Illinois.

Licensed in
CO, IL
In the registry since
2006
Specialties on file
2

Practice location Address checks out

777 Bannock St
Denver, CO 80204-4597
Phone: (303) 436-4949
Fax: (303) 602-4560
Show map & directions

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

Additional practice locations (1)

  • 5841 S Maryland Ave, Chicago, IL 60637-1443 — (888) 824-0200

Specialties & licences

Ophthalmology Physician (primary) Taxonomy 207W00000X · Licence DR.0070955 (CO)
Ophthalmology Physician Taxonomy 207W00000X · Licence 036055837 (IL)

Record details

NPI number1720144975
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedDecember 29, 2006
Last updated in NPPESFebruary 11, 2025
Certification dateFebruary 11, 2025
Mailing address777 Bannock St, Denver, CO 80204-4597

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