Richard Allen, D.D.S.
NPI 1215155734 · Endodontics · Sioux Falls, SD
Enrolled with Medicare as Order and Referring Only - Dentist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Richard Allen, D.D.S. is a Endodontics provider in Sioux Falls, SD (NPI 1215155734).
Provider details
- NPI number
- 1215155734
- Entity type
- Individual
- Primary specialty
- EndodonticsDental Providers
- Credential
- D.D.S.
- Sex
- Male
- Sole proprietor
- No
- License
- M850 (SD)
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
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
- 2007-04-22
- Last updated
- 2007-07-08
Frequently asked questions
- What is Richard Allen's NPI number?
- Richard Allen's National Provider Identifier (NPI) is 1215155734, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Richard Allen's specialty?
- Richard Allen is listed in the NPPES registry with a primary specialty of Endodontics (Dental Providers).
- Where is Richard Allen located?
- Richard Allen's practice location on file with NPPES is 1704 S Cleveland Ave, Sioux Falls, SD 57103-3902.
- What is Richard Allen's phone number?
- The practice phone number listed in the NPPES registry for Richard Allen is (605) 221-0218.
- Does Richard Allen accept Medicare?
- Richard Allen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Richard Allen's NPI active?
- Yes — Richard Allen's NPI (1215155734) 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.