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

Collin R. Ohning

Individual provider Retina Specialist (Ophthalmology) Physician · NPI 1992182794

Collin R. Ohning is an Ophthalmology in Greenbelt, Maryland. Graduated from Medical University of South Carolina College of Medicine in 2015, 11 years ago. Practices with Retina Consultants of Carolina, PA, an 11-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in District of Columbia, Florida, Maryland and Virginia.

Years since qualifying
11
Trained at
Medical University of South Carolina College of Medicine
Licensed in
DC, FL, MD, VA
In the registry since
2015
Specialties on file
6

Practice location Address checks out

7501 Greenway Center Dr # 300
Greenbelt, MD 20770-3514
Phone: (301) 474-4679
Fax: (301) 474-7182
Show map & directions

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

Additional practice locations (1)

  • 7501 Greenway Center Dr Ste 300, Greenbelt, MD 20770-3514 — (301) 474-4679

Specialties & licences

Retina Specialist (Ophthalmology) Physician (primary) Taxonomy 207WX0107X · Licence MD046964 (DC)
Internal Medicine Physician Taxonomy 207R00000X · Licence TRN22040 (FL)
Ophthalmology Physician Taxonomy 207W00000X · Licence MD046964 (DC)
Ophthalmology Physician Taxonomy 207W00000X · Licence D0087357 (MD)
Ophthalmology Physician Taxonomy 207W00000X · Licence 0101266781 (VA)
Retina Specialist (Ophthalmology) Physician Taxonomy 207WX0107X · Licence 0101266781 (VA)

Record details

NPI number1992182794
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedApril 30, 2015
Last updated in NPPESJanuary 8, 2020
Certification dateJanuary 8, 2020
Mailing address660 Pennsylvania Ave Se, Ste 200, Washington, DC 20003-4361

Medicare enrollment

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

Medicare specialtyOPHTHALMOLOGY
Medical schoolMEDICAL UNIVERSITY OF SOUTH CAROLINA COLLEGE OF MEDICINE
Graduated 2015 (11 years in practice)
Group practice Retina Consultants Of Carolina, Pa — 11 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Greenbelt