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

Individual provider Ophthalmology Physician · NPI 1720281181

Dr. Andrew Hammer, MD is an Ophthalmology in Washington, District of Columbia. Graduated from University of Maryland School of Medicine in 2005, 21 years ago. Practices with Visionary Ophthalmology LLC, a 17-clinician group and accepts Medicare assignment. Licensed in Virginia.

Years since qualifying
21
Trained at
University of Maryland School of Medicine
Licensed in
VA
In the registry since
2007
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address may be wrong

The ZIP code does not match the city and state on this record. Call before visiting.

Walter Reed Army Medical Ctr Eye Clinic 1F
Washington, DC 20307-0001
Phone: (202) 782-6965

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Specialties & licences

Ophthalmology Physician (primary) Taxonomy 207W00000X · Licence 0101241582 (VA)

Record details

NPI number1720281181
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 6, 2007
Last updated in NPPESJuly 20, 2017

Medicare enrollment

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

Medicare specialtyOPHTHALMOLOGY
Medical schoolUNIVERSITY OF MARYLAND SCHOOL OF MEDICINE
Graduated 2005 (21 years in practice)
Group practice Visionary Ophthalmology Llc — 17 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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