John Marsh
NPI 1588556013 · Chiropractor · Manhattan, MT
Enrolled with Medicare as Practitioner - Chiropractic · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Marsh is a Chiropractor provider in Manhattan, MT (NPI 1588556013).
Provider details
- NPI number
- 1588556013
- Entity type
- Individual
- Primary specialty
- ChiropractorChiropractic Providers
- Sex
- Male
- Sole proprietor
- No
- License
- 10026 (MT)
Specialties & taxonomies
Chiropractic Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2025-07-18
- Last updated
- 2025-10-29
- Certified
- 2025-10-29
Frequently asked questions
- What is John Marsh's NPI number?
- John Marsh's National Provider Identifier (NPI) is 1588556013, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Marsh's specialty?
- John Marsh is listed in the NPPES registry with a primary specialty of Chiropractor (Chiropractic Providers).
- Where is John Marsh located?
- John Marsh's practice location on file with NPPES is 114 W Main St, Manhattan, MT 59741-2207.
- What is John Marsh's phone number?
- The practice phone number listed in the NPPES registry for John Marsh is (406) 284-3246.
- Does John Marsh accept Medicare?
- John Marsh is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Marsh's NPI active?
- Yes — John Marsh's NPI (1588556013) is active in the NPPES registry as of the last update on 2025-10-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.