SYDNEY BRIANNA SILLART MD
NPI 1902555246
Emergency Medicine in Philadelphia, PA
About Sydney Brianna Sillart Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SYDNEY BRIANNA SILLART MD (NPI 1902555246) is an individual emergency medicine provider in Philadelphia, Pennsylvania, licensed in Missouri (NA) and active in the NPI registry since March 2022. She is enrolled in Medicare PECOS, is affiliated with Northern Light Maine Coast Hospital, and maintains a secondary practice location in Presque Isle.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Sydney Brianna Sillart Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Sydney Sillart reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Ellsworth, ME 04605
- Reassigned Medicare billing, Maine enrollment
- 167 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Northern Light Maine Coast Hospital
Acute Care Hospitals · Ellsworth, MEPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 19104 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
PHILADELPHIA, PA 19104
PHILADELPHIA, PA 19104
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Sydney Sillart's NPI number?
The NPI number for Sydney Sillart is 1902555246. It was assigned to this individual provider in the NPPES registry on March 23, 2022.
Where is Sydney Sillart located?
Sydney Sillart practices at 3400 Spruce St, Philadelphia, PA 19104. The listed phone number is (215) 316-5151.
What is Sydney Sillart's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Sydney Sillart enrolled in Medicare?
Yes. Sydney Sillart is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Sydney Sillart's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sydney Sillart reassigns Medicare benefits to Emergency Medicine Services Of Maine, LLC (Ellsworth, ME). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Sydney Sillart's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Sydney Sillart affiliated with any hospitals?
According to CMS data, Sydney Sillart is affiliated with Northern Light Maine Coast Hospital.
When was this NPI record last updated?
The NPPES record for Sydney Sillart was last updated on July 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Sydney Brianna Sillart, MD · NPI 1902555246
Emergency Medicine physician in Philadelphia, Pennsylvania. Individual provider, active in the CMS NPPES registry since March 23, 2022.
## Identity
- **NPI:** 1902555246 (Entity type: Individual)
- **Enumerated:** March 23, 2022
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** NA (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 3400 SPRUCE ST, Philadelphia, PA 19104-4238
- **Phone:** (215) 316-5151
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Emergency Medicine Services Of Maine, LLC (NPI 1578032058, Ellsworth, ME), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Washington University School Of Medicine, class of 2022
## Record status
- **NPPES last updated:** July 23, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1902555246) · Data from the CMS NPPES public registry.