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

John Henry Marsh

Individual provider Chiropractor · NPI 1588556013

John Henry Marsh is a Chiropractic in Manhattan, Montana. Graduated from Northwestern College of Chiropractic in 2025, 1 year ago. Practices with Manhattan Back and Neck Inc, a 2-clinician group and accepts Medicare assignment. Licensed in Montana.

Years since qualifying
1
Trained at
Northwestern College of Chiropractic
Licensed in
MT
In the registry since
2025

Practice location Address checks out

114 W Main St
Manhattan, MT 59741-2207
Phone: (406) 284-3246
Fax: (406) 284-3245
Show map & directions

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

Specialties & licences

Chiropractor (primary) Taxonomy 111N00000X · Licence 10026 (MT)

Record details

NPI number1588556013
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedJuly 18, 2025
Last updated in NPPESOctober 29, 2025
Certification dateOctober 29, 2025
Mailing addressPo Box 855, Manhattan, MT 59741-0855

Medicare enrollment

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

Medicare specialtyCHIROPRACTIC
Medical schoolNORTHWESTERN COLLEGE OF CHIROPRACTIC
Graduated 2025 (1 years in practice)
Group practice Manhattan Back And Neck Inc — 2 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in Manhattan