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

Dr. John James Janeiro Jr., MD

Individual provider Urology Physician · NPI 1427139468

Dr. John James Janeiro Jr., MD is an Urology Physician in Nashua, New Hampshire. Licensed in New Hampshire. Registered with an NPI since 2006.

Licensed in
NH
In the registry since
2006
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

17 Riverside St Ste 201
Nashua, NH 03062-1304
Phone: (603) 594-0800
Fax: (603) 879-9329
Show map & directions

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

Specialties & licences

Urology Physician (primary) Taxonomy 208800000X · Licence 7543 (NH)

Record details

NPI number1427139468
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 18, 2006
Last updated in NPPESNovember 21, 2011

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