DR. SANDRA FERRIS CRNP
NPI 1932963824
Nurse Practitioner in Wilmington, DE
About Dr. Sandra Ferris Crnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. SANDRA FERRIS CRNP (NPI 1932963824) is an individual nurse practitioner in Wilmington, Delaware, licensed in Washington (ARNP.AP.70102613-NP) and active in the NPI registry since February 2024. She is enrolled in Medicare PECOS, maintains a secondary practice location in Chadds Ford, and is a graduate of Rutgers New Jersey Medical School (2024).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Accepted Insurance
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
Dr. Sandra Ferris Crnp 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 Reassignments
3Medicare enrollment records show Sandra Ferris reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Lower Gwynedd, PA 19002
- Reassigned Medicare billing, Pennsylvania enrollment
- 10 clinicians in this Medicare group
Boca Raton, FL 33431
- Reassigned Medicare billing, Delaware enrollment
- 3 clinicians in this Medicare group
Spokane, WA 99202
- Reassigned Medicare billing, Washington enrollment
- 8 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 19801 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Sandra Ferris's NPI number?
The NPI number for Sandra Ferris is 1932963824. It was assigned to this individual provider in the NPPES registry on February 12, 2024.
Where is Sandra Ferris located?
Sandra Ferris practices at 913 N Market St Ste 200, Wilmington, DE 19801. The listed phone number is (877) 345-5300.
What is Sandra Ferris's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Sandra Ferris enrolled in Medicare?
Yes. Sandra Ferris 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 organizations bill Medicare for Sandra Ferris's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sandra Ferris reassigns Medicare benefits to 3 organizations: On Site Dermatology Of Pennsylvania PLLC (Lower Gwynedd, PA), On Site Dermatology LLC (Boca Raton, FL) and Spokane Dermatology Clinic Ps (Spokane, WA). Each 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 Sandra Ferris's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Sandra Ferris accept?
Health plans from Ambetter Health, Highmark Blue Cross Blue Shield Delaware and Premera Blue Cross Blue Shield of Alaska list Sandra Ferris as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Sandra Ferris was last updated on September 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 37 days 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.
# Dr. Sandra Ferris, CRNP · NPI 1932963824
Nurse Practitioner physician in Wilmington, Delaware. Individual provider, active in the CMS NPPES registry since February 12, 2024.
## Identity
- **NPI:** 1932963824 (Entity type: Individual)
- **Enumerated:** February 12, 2024
- **Primary specialty:** Nurse Practitioner · taxonomy 363L00000X
- **State license:** ARNP.AP.70102613-NP (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 913 N MARKET ST STE 200, Wilmington, DE 19801-3097
- **Phone:** (877) 345-5300
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): On Site Dermatology Of Pennsylvania PLLC (NPI 1114369873, Lower Gwynedd, PA); On Site Dermatology LLC (NPI 1215978713, Boca Raton, FL); Spokane Dermatology Clinic Ps (NPI 1649367889, Spokane, WA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Rutgers New Jersey Medical School, class of 2024
## Record status
- **NPPES last updated:** September 18, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1932963824) · Data from the CMS NPPES public registry.