Ralph Chapman, DENTIST DMD
NPI 1588670426 · Dentist · Pinckneyville, IL
Enrolled with Medicare as Order and Referring Only - Other (non-Physician) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ralph Chapman, DENTIST DMD is a Dentist provider in Pinckneyville, IL (NPI 1588670426).
Provider details
- NPI number
- 1588670426
- Entity type
- Individual
- Primary specialty
- DentistDental Providers
- Credential
- DENTIST DMD
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Dental 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
83% 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
- 2006-07-31
- Last updated
- 2007-07-08
Frequently asked questions
- What is Ralph Chapman's NPI number?
- Ralph Chapman's National Provider Identifier (NPI) is 1588670426, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ralph Chapman's specialty?
- Ralph Chapman is listed in the NPPES registry with a primary specialty of Dentist (Dental Providers).
- Where is Ralph Chapman located?
- Ralph Chapman's practice location on file with NPPES is Box 469, Pinckneyville, IL 62274.
- What is Ralph Chapman's phone number?
- The practice phone number listed in the NPPES registry for Ralph Chapman is (618) 357-2445.
- Does Ralph Chapman accept Medicare?
- Ralph Chapman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ralph Chapman's NPI active?
- Yes — Ralph Chapman's NPI (1588670426) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.