IndividualActive
David Lydon, D.O.
NPI 1154390599 · Family Medicine Physician · Gaffney, SC
David Lydon, D.O. is a Family Medicine Physician provider in Gaffney, SC (NPI 1154390599).
Provider details
- NPI number
- 1154390599
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 0260 (SC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
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
722 Hyatt St
Gaffney, SC 29341-2643
Phone: (864) 489-2400
Fax: (864) 488-3987
Street-level locationGet directions
Mailing address
Po Box 743070
Atlanta, GA 30374-3070
Registry dates
- Enumerated
- 2006-03-17
- Last updated
- 2020-06-10
- Certified
- 2020-06-10
Frequently asked questions
- What is David Lydon's NPI number?
- David Lydon's National Provider Identifier (NPI) is 1154390599, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Lydon's specialty?
- David Lydon is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is David Lydon located?
- David Lydon's practice location on file with NPPES is 722 Hyatt St, Gaffney, SC 29341-2643.
- What is David Lydon's phone number?
- The practice phone number listed in the NPPES registry for David Lydon is (864) 489-2400.
- Is David Lydon's NPI active?
- Yes — David Lydon's NPI (1154390599) is active in the NPPES registry as of the last update on 2020-06-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.