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

Dr. William Gregory Gensheimer, MD

Individual provider Ophthalmology Physician · NPI 1275858656

Dr. William Gregory Gensheimer, MD is an Ophthalmology in Lebanon, New Hampshire. Qualified in 2010, 16 years ago. Practices with Dartmouth-Hitchcock Clinic, a 1,430-clinician group and accepts Medicare assignment. Licensed in Colorado and New Hampshire.

Years since qualifying
16
Licensed in
CO, NH
In the registry since
2010
Specialties on file
3
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

1 Medical Center Dr
Lebanon, NH 03756
Phone: (603) 650-5123
Show map & directions

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

Specialties & licences

Ophthalmology Physician (primary) Taxonomy 207W00000X · Licence 21873 (NH)
Ophthalmology Physician Taxonomy 207W00000X · Licence DR.0053423 (CO)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1275858656
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 29, 2010
Last updated in NPPESSeptember 14, 2021
Certification dateSeptember 13, 2021

Medicare enrollment

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

Medicare specialtyOPHTHALMOLOGY
Medical schoolOTHER
Graduated 2010 (16 years in practice)
Group practice Dartmouth-Hitchcock Clinic — 1430 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

Other providers in Lebanon