John Henry Marsh
Chiropractor · Manhattan, MT
John Henry Marsh is a chiropractor with a practice address in Manhattan, Montana, and NPI 1588556013, issued on Jul 18, 2025. Check the license (Montana 10026, as entered in NPPES) with the Montana board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- John Henry Marsh
- Primary taxonomy
- Chiropractor 111N00000X
- License number
- 10026 MT
Self-reported in NPPES; status is on the state search - Practice location
- 114 W Main St, Manhattan, MT 59741
- Phone
- (406) 284-3246
- Enumerated
- Jul 18, 2025
- Record last updated
- Oct 29, 2025
- Fax
- (406) 284-3245
- Medicare enrollment
- Enrolled (PECOS I20251224002072); accepts Medicare assignment
- Medical or professional school
- Northwestern College Of Chiropractic, 2025
- Entity
- Type 1 · individual
8 nearest chiropractor records → All 474 in Montana → Look up another NPI →
Verify John Henry Marsh in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Montana board licenses this profession
Search for license 10026Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through 2 group practices
- Big Sky Chiropractic Clinic PCBozeman, MT
- Manhattan Back And Neck IncManhattan, MT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Henry Marsh among 474 chiropractor records in Montana
John Henry Marsh is one of 474 chiropractor records with a practice address in Montana. 27% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2025, is newer than 96% of them.
- NPI issued2025 · 96% of these records are older, 2% newer
- In a Medicare fileYes · 27% of these records are
- In the CMS Doctors and Clinicians fileYes · 56% of these records are
- Graduated2025 · median 2007 among the 267 with a school on file
- Record last updated2025 · 70% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 111N00000X and a Montana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1 chiropractor record lists a practice address in Manhattan
They are 1 of the 22 NPPES records with a practice address in Manhattan, and 474 chiropractor records in Montana.
All 474 in Montana → Every provider in Manhattan → Chiropractor nationwide →
The 8 chiropractor records with the nearest ZIP codes
- Jack Berg, D.C.Three Forks, MT 597521922167725
- Jacob Boll, DCThree Forks, MT 597521861935173
- Andrew Belice, D.C.Dillon, MT 597251538202882
- Jeffrey Feenstra, D.C.Dillon, MT 597251770895427
- Barry Lochridge, D.C.Dillon, MT 597251538277132
- Christopher Murolo, D.C.Dillon, MT 597251215036306
- Kyle Goltz, D.C.West Yellowstone, MT 597581417049891
- Katherine Meyer, DCWhitehall, MT 597591538347208
Common questions
What is John Henry Marsh's NPI number?
John Henry Marsh's National Provider Identifier (NPI) is 1588556013, issued on Jul 18, 2025. An NPI identifies a provider in billing; it is not a license.
Where is John Henry Marsh located?
The NPPES record lists a practice address at 114 W Main St, Manhattan, MT, 59741. Phone: (406) 284-3246. Providers update this record themselves, so call before visiting.
How can I verify John Henry Marsh's license?
NPPES lists Montana license number 10026, as entered by the provider. Search the Montana board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.