Charles Preston, MD
NPI 1639287659 · Emergency Medicine Physician · Slidell, LA
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Charles Preston, MD is a Emergency Medicine Physician provider in Slidell, LA (NPI 1639287659).
Provider details
- NPI number
- 1639287659
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 018284 (LA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
- 2006-08-29
- Last updated
- 2017-03-15
Frequently asked questions
- What is Charles Preston's NPI number?
- Charles Preston's National Provider Identifier (NPI) is 1639287659, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Charles Preston's specialty?
- Charles Preston is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Charles Preston located?
- Charles Preston's practice location on file with NPPES is 985 Robert Blvd, Slidell, LA 70458-2063.
- What is Charles Preston's phone number?
- The practice phone number listed in the NPPES registry for Charles Preston is (985) 960-8300.
- Does Charles Preston accept Medicare?
- Charles Preston is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Charles Preston's NPI active?
- Yes — Charles Preston's NPI (1639287659) is active in the NPPES registry as of the last update on 2017-03-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.