Der-Long Tong, MD
NPI 1679549216 · Specialist · Pitcairn, PA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Der-Long Tong, MD is a Specialist provider in Pitcairn, PA (NPI 1679549216).
Provider details
- NPI number
- 1679549216
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- MD
- Sex
- Male
- License
- MD030177E (PA)
Specialties & taxonomies
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
- 2006-02-24
- Last updated
- 2007-07-08
Frequently asked questions
- What is Der-Long Tong's NPI number?
- Der-Long Tong's National Provider Identifier (NPI) is 1679549216, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Der-Long Tong's specialty?
- Der-Long Tong is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is Der-Long Tong located?
- Der-Long Tong's practice location on file with NPPES is 424 Broadway Ave, Pitcairn, PA 15140-1447.
- What is Der-Long Tong's phone number?
- The practice phone number listed in the NPPES registry for Der-Long Tong is (412) 372-3379.
- Does Der-Long Tong accept Medicare?
- Der-Long Tong is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Der-Long Tong's NPI active?
- Yes — Der-Long Tong's NPI (1679549216) 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.