Shannon Sullivan, M. D.
NPI 1861515231 · Pediatrics Physician · Redwood City, CA
Enrolled with Medicare as Practitioner - Sleep Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Shannon Sullivan, M. D. is a Pediatrics Physician provider in Redwood City, CA (NPI 1861515231).
Provider details
- NPI number
- 1861515231
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- M. D.
- Sex
- Female
- Sole proprietor
- No
- License
- A81983 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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
- 2007-04-09
- Last updated
- 2011-04-18
Frequently asked questions
- What is Shannon Sullivan's NPI number?
- Shannon Sullivan's National Provider Identifier (NPI) is 1861515231, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Shannon Sullivan's specialty?
- Shannon Sullivan is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Shannon Sullivan located?
- Shannon Sullivan's practice location on file with NPPES is 450 Broadway St, Redwood City, CA 94063-3132.
- What is Shannon Sullivan's phone number?
- The practice phone number listed in the NPPES registry for Shannon Sullivan is (650) 723-6601.
- Does Shannon Sullivan accept Medicare?
- Shannon Sullivan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Shannon Sullivan's NPI active?
- Yes — Shannon Sullivan's NPI (1861515231) is active in the NPPES registry as of the last update on 2011-04-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.