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

Matthew Liam O'Sullivan, MD, PHD

Individual provider Retina Specialist (Ophthalmology) Physician · NPI 1831625508

Matthew Liam O'Sullivan, MD, PHD is an Ophthalmology in Colorado Springs, Colorado. Graduated from Duke University School of Medicine in 2017, 9 years ago. Practices with Retina Consultants of Southern Colorado P C, an 8-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Colorado.

Years since qualifying
9
Trained at
Duke University School of Medicine
Licensed in
CO
In the registry since
2017
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Practice location Address checks out

2770 N Union Blvd Ste 140
Colorado Springs, CO 80909-1183
Phone: (719) 473-9595
Fax: (719) 227-0669
Show map & directions

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

Additional practice locations (2)

  • 10035 Pearl Pass Vw Ste 110, Colorado Springs, CO 80924-8223 — (719) 473-9595
  • 3711 Parker Blvd, Pueblo, CO 81008-2218 — (719) 473-9595

Specialties & licences

Ophthalmology Physician (primary) Taxonomy 207W00000X · Licence DR.0073262 (CO)
Retina Specialist (Ophthalmology) Physician Taxonomy 207WX0107X · Licence DR.0073262 (CO)

Record details

NPI number1831625508
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , PHD
Sole proprietorNo
NPI enumeratedMay 2, 2017
Last updated in NPPESApril 16, 2025
Certification dateApril 16, 2025

Medicare enrollment

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

Medicare specialtyOPHTHALMOLOGY
Medical schoolDUKE UNIVERSITY SCHOOL OF MEDICINE
Graduated 2017 (9 years in practice)
Group practice Retina Consultants Of Southern Colorado P C — 8 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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