Mary Seymour, MD
NPI 1548201742 · Pediatric Emergency Medicine (Pediatrics) Physician · Mandeville, LA
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Seymour, MD is a Pediatric Emergency Medicine (Pediatrics) Physician provider in Mandeville, LA (NPI 1548201742).
Provider details
- NPI number
- 1548201742
- Entity type
- Individual
- Primary specialty
- Pediatric Emergency Medicine (Pediatrics) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- MD.017619 (LA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
20 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$21 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-09
- Last updated
- 2007-12-17
Frequently asked questions
- What is Mary Seymour's NPI number?
- Mary Seymour's National Provider Identifier (NPI) is 1548201742, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Seymour's specialty?
- Mary Seymour is listed in the NPPES registry with a primary specialty of Pediatric Emergency Medicine (Pediatrics) Physician (Allopathic & Osteopathic Physicians).
- Where is Mary Seymour located?
- Mary Seymour's practice location on file with NPPES is 2810 E Causeway Approach, Mandeville, LA 70448-3502.
- What is Mary Seymour's phone number?
- The practice phone number listed in the NPPES registry for Mary Seymour is (985) 875-2340.
- Does Mary Seymour accept Medicare?
- Mary Seymour is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Seymour's NPI active?
- Yes — Mary Seymour's NPI (1548201742) is active in the NPPES registry as of the last update on 2007-12-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.