OrganizationActive
Dr. Gregory J. Chapman, PC
NPI 1578731220 · Chiropractor · Missoula, MT
Dr. Gregory J. Chapman, PC is a Chiropractor organization in Missoula, MT (NPI 1578731220).
Provider details
- NPI number
- 1578731220
- Entity type
- Organization
- Primary specialty
- ChiropractorChiropractic Providers
- Organization subpart
- No
- Authorized official
- Gregory Chapman, President/Owner(406) 721-5780
- License
- 0514 (MT)
Specialties & taxonomies
Chiropractic Providers
Profile Score
Detailed profile(88/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 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
1526 S Reserve St
Missoula, MT 59801-4756
Phone: (406) 721-5780
Street-level locationGet directions
Mailing address
1526 S Reserve St
Missoula, MT 59801-4756
Other names (DBA / former)
- Doing business as
- Montana Back & Rehabilitation Inst.
Registry dates
- Enumerated
- 2008-02-15
- Last updated
- 2008-02-15
Frequently asked questions
- What is Dr. Gregory J. Chapman, PC's NPI number?
- Dr. Gregory J. Chapman, PC's National Provider Identifier (NPI) is 1578731220, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Dr. Gregory J. Chapman, PC?
- Dr. Gregory J. Chapman, PC is classified in the NPPES registry as Chiropractor (Chiropractic Providers).
- Where is Dr. Gregory J. Chapman, PC located?
- Dr. Gregory J. Chapman, PC's practice location on file with NPPES is 1526 S Reserve St, Missoula, MT 59801-4756.
- What is Dr. Gregory J. Chapman, PC's phone number?
- The practice phone number listed in the NPPES registry for Dr. Gregory J. Chapman, PC is (406) 721-5780.
- Who is the authorized official for Dr. Gregory J. Chapman, PC?
- The authorized official listed on Dr. Gregory J. Chapman, PC's NPPES record is Gregory Chapman, President/Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Dr. Gregory J. Chapman, PC's NPI active?
- Yes — Dr. Gregory J. Chapman, PC's NPI (1578731220) is active in the NPPES registry as of the last update on 2008-02-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.