John Treherne, DDS
NPI 1487232294 · General Practice Dentistry · Washington, DC
Enrolled with Medicare as Order and Referring Only - Dentist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Treherne, DDS is a General Practice Dentistry provider in Washington, DC (NPI 1487232294).
Provider details
- NPI number
- 1487232294
- Entity type
- Individual
- Primary specialty
- General Practice DentistryDental Providers
- Credential
- DDS
- Sex
- Male
- Sole proprietor
- No
- License
- DEN2000525 (DC)
Specialties & taxonomies
Dental Providers
Dental Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
5 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
- 2021-04-01
- Last updated
- 2025-12-04
- Certified
- 2025-12-04
Frequently asked questions
- What is John Treherne's NPI number?
- John Treherne's National Provider Identifier (NPI) is 1487232294, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Treherne's specialty?
- John Treherne is listed in the NPPES registry with a primary specialty of General Practice Dentistry (Dental Providers).
- Where is John Treherne located?
- John Treherne's practice location on file with NPPES is 3925 Minnesota Ave Ne, Washington, DC 20019-2662.
- What is John Treherne's phone number?
- The practice phone number listed in the NPPES registry for John Treherne is (202) 396-1444.
- Does John Treherne accept Medicare?
- John Treherne is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Treherne's NPI active?
- Yes — John Treherne's NPI (1487232294) is active in the NPPES registry as of the last update on 2025-12-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.