Mark J Haynes a Professional Chiropractic Corporation
NPI 1720132228 · Chiropractor · Billings, MT
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark J Haynes a Professional Chiropractic Corporation is a Chiropractor organization in Billings, MT (NPI 1720132228).
Provider details
- NPI number
- 1720132228
- Entity type
- Organization
- Primary specialty
- ChiropractorChiropractic Providers
- Organization subpart
- No
- Authorized official
- Mark Haynes, Ownerpresident(406) 655-4940
- License
- 1115 (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
19 yrs in NPPES 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
Other names (DBA / former)
- Doing business as
- Montana Pain & Rehab Center/Montana Wellness Center
Registry dates
- Enumerated
- 2007-01-22
- Last updated
- 2012-02-23
Frequently asked questions
- What is Mark J Haynes a Professional Chiropractic Corporation's NPI number?
- Mark J Haynes a Professional Chiropractic Corporation's National Provider Identifier (NPI) is 1720132228, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Mark J Haynes a Professional Chiropractic Corporation?
- Mark J Haynes a Professional Chiropractic Corporation is classified in the NPPES registry as Chiropractor (Chiropractic Providers).
- Where is Mark J Haynes a Professional Chiropractic Corporation located?
- Mark J Haynes a Professional Chiropractic Corporation's practice location on file with NPPES is 670 King Park Dr, Billings, MT 59102-6257.
- What is Mark J Haynes a Professional Chiropractic Corporation's phone number?
- The practice phone number listed in the NPPES registry for Mark J Haynes a Professional Chiropractic Corporation is (406) 655-4940.
- Does Mark J Haynes a Professional Chiropractic Corporation accept Medicare?
- Mark J Haynes a Professional Chiropractic Corporation is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Mark J Haynes a Professional Chiropractic Corporation?
- The authorized official listed on Mark J Haynes a Professional Chiropractic Corporation's NPPES record is Mark Haynes, Ownerpresident. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Mark J Haynes a Professional Chiropractic Corporation's NPI active?
- Yes — Mark J Haynes a Professional Chiropractic Corporation's NPI (1720132228) is active in the NPPES registry as of the last update on 2012-02-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.