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

Dr. John Cletus Baier Jr., MD

Individual provider Gastroenterology Physician · NPI 1326133539

Dr. John Cletus Baier Jr., MD is a Gastroenterology Physician in Concord, 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.

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Practice location Address checks out

60 Commercial St Ste 404
Concord, NH 03301-5096
Phone: (603) 228-1763
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence 7602 (NH)

Record details

NPI number1326133539
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 4, 2006
Last updated in NPPESFebruary 3, 2012

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