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

John James Dagianis, MD

Individual provider Ophthalmology Physician · NPI 1972508026

John James Dagianis, MD is an Ophthalmology in Nashua, New Hampshire. Graduated from University of Cincinnati College of Medicine in 1976, 50 years ago. Practices with Nashua Eye Associates PA, a 19-clinician group and accepts Medicare assignment. Licensed in Massachusetts and New Hampshire.

Years since qualifying
50
Trained at
University of Cincinnati College of Medicine
Licensed in
MA, NH
In the registry since
2005
Specialties on file
4
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

5 Coliseum Ave
Nashua, NH 03063-3292
Phone: (603) 882-9800
Fax: (603) 882-0556
Show map & directions

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

Specialties & licences

Ophthalmology Physician (primary) Taxonomy 207W00000X · Licence 6192 (NH)
Ophthalmology Physician Taxonomy 207W00000X · Licence 57317 (MA)
Glaucoma Specialist (Ophthalmology) Physician Taxonomy 207WX0009X · Licence 6192 (NH)
Glaucoma Specialist (Ophthalmology) Physician Taxonomy 207WX0009X · Licence 57317 (MA)

Record details

NPI number1972508026
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 16, 2005
Last updated in NPPESAugust 11, 2022
Certification dateAugust 11, 2022
Mailing address5 Coliseum Ave, Nashua, NH 03063-3292

Medicare enrollment

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

Medicare specialtyOPHTHALMOLOGY
Medical schoolUNIVERSITY OF CINCINNATI COLLEGE OF MEDICINE
Graduated 1976 (50 years in practice)
Group practice Nashua Eye Associates Pa — 19 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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