Sean Sullivan, MD
NPI 1104990829 · Pediatric Gastroenterology Physician · Portsmouth, VA
Enrolled with Medicare as Order and Referring Only - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sean Sullivan, MD is a Pediatric Gastroenterology Physician provider in Portsmouth, VA (NPI 1104990829).
Provider details
- NPI number
- 1104990829
- Entity type
- Individual
- Primary specialty
- Pediatric Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
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
19 yrs in NPPES registry
- Profile completeness33% of score
83% 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.
$107 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
- 2006-11-17
- Last updated
- 2007-07-08
Frequently asked questions
- What is Sean Sullivan's NPI number?
- Sean Sullivan's National Provider Identifier (NPI) is 1104990829, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sean Sullivan's specialty?
- Sean Sullivan is listed in the NPPES registry with a primary specialty of Pediatric Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Sean Sullivan located?
- Sean Sullivan's practice location on file with NPPES is John Paul Jones Circle, Portsmouth, VA 23708-2197.
- What is Sean Sullivan's phone number?
- The practice phone number listed in the NPPES registry for Sean Sullivan is (757) 953-7550.
- Does Sean Sullivan accept Medicare?
- Sean Sullivan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sean Sullivan's NPI active?
- Yes — Sean Sullivan's NPI (1104990829) 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.