John Henry Marsh
- Affiliated sites
- 3
- Medical groups
- 2
- State license
- 1
- Year NPI issued
- 2025
- Practice address
- 120 N 19th Ave, Bozeman, MT 59718
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Big Sky Chiropractic Clinic - HOPD
Acute Care Hospital outpatient department · Bozeman, Montana
Find John Marsh's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
John Henry Marsh is a chiropractor in Bozeman, Montana
John Marsh practices at Big Sky Chiropractic Clinic - HOPD in Bozeman, Montana.
John Marsh's NPI, 1588556013, was assigned on July 18, 2025. John Marsh graduated from Northwestern College of Chiropractic in 2025. John Marsh holds Montana license 10026.
- NPI
- 1588556013NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5496240673
- NPI enumeration date
- July 18, 2025
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 27
- Medical school graduation
- 2025
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
John Henry Marsh practices at Big Sky Chiropractic Clinic - HOPD in Bozeman, Montana
John Marsh's primary practice is Big Sky Chiropractic Clinic - HOPD, at 120 N 19th Ave, Bozeman, MT 59718.
- Big Sky Chiropractic Clinic - HOPD120 N 19th Ave, Bozeman, MT 59718
Source: Dmand AI Affiliation Data
John Henry Marsh is affiliated with 3 sites of care and 2 medical groups
John Marsh's primary practice is Big Sky Chiropractic Clinic - HOPD in Bozeman, Montana. Dmand AI also links John Marsh to 2 group practices and clinics and 2 medical groups, each named with a free account. John Marsh's employer is on file too: a hospital.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at John Henry Marsh's practice
Dmand AI tracks the electronic health record (EHR) system at each site where John Marsh practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Big Sky Chiropractic Clinic - HOPD | Available with a free account |
| +2 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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John Henry Marsh is one of 303 chiropractors in Montana
Chiropractor is John Marsh's primary specialty in the NPI Registry, under taxonomy code 111N00000X. John Marsh is licensed in Montana.
Specialties and state licenses
- Chiropractor, MontanaPrimary
Chiropractors near John Marsh
Counts of chiropractors with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
John Henry Marsh's patients have a median age of 54
Across all payers, Dmand AI patient panel data puts John Marsh's median patient age at 54, with 46% women.
John Marsh's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 54
Patient panel by sex, all payers
- Women46%
- Men54%
Source: Dmand AI Patient Panel Data
How John Henry Marsh takes part in Medicare
John Marsh accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
John Henry Marsh graduated from Northwestern College of Chiropractic
John Marsh graduated from Northwestern College of Chiropractic in 2025.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for John Henry Marsh's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about John Henry Marsh
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is John Henry Marsh's NPI number?
John Henry Marsh's NPI number is 1588556013. It was assigned on July 18, 2025, and it is active in the NPI Registry.
What does John Henry Marsh specialize in?
John Henry Marsh is a chiropractor in Bozeman, Montana. The primary specialty in the NPI Registry is Chiropractor (taxonomy code 111N00000X).
Where does John Henry Marsh practice?
John Marsh practices at 120 N 19th Ave, Bozeman, MT 59718. John Marsh's primary practice is Big Sky Chiropractic Clinic - HOPD in Bozeman, Montana. Dmand AI also links John Marsh to 2 group practices and clinics and 2 medical groups.
What is John Henry Marsh's medical license number?
John Marsh holds Montana license 10026.
Does John Henry Marsh accept Medicare?
Yes. CMS lists John Marsh as accepting Medicare assignment.
Where did John Henry Marsh go to medical school?
John Marsh graduated from Northwestern College of Chiropractic in 2025.
How long has John Henry Marsh been practicing?
John Marsh graduated from medical school in 2025, 1 years ago.
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