DR. GEOFFREY PETER GUSTAVSEN M.D.
NPI 1396715959
Family Medicine - Sports Medicine in Newark, DE
About Dr. Geoffrey Peter Gustavsen M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. GEOFFREY PETER GUSTAVSEN M.D. (NPI 1396715959) is an individual sports medicine provider in Newark, Delaware, licensed in Delaware (C10007058) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Washington School Of Medicine (1989).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 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. Geoffrey Peter Gustavsen M.d. 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 Geoffrey Gustavsen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Newark, DE 19711
- Reassigned Medicare billing, Delaware enrollment
- 18 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 19716 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 9
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
NEWARK, DE 19716
NEWARK, DE 19716
NEWARK, DE 19716
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 Geoffrey Gustavsen's NPI number?
The NPI number for Geoffrey Gustavsen is 1396715959. It was assigned to this individual provider in the NPPES registry on January 25, 2006.
Where is Geoffrey Gustavsen located?
Geoffrey Gustavsen practices at 282 The Grn, Newark, DE 19716. The listed phone number is (302) 831-2227.
What is Geoffrey Gustavsen's specialty?
The primary specialty registered for this NPI is Family Medicine, specializing in Sports Medicine, with taxonomy code 207QS0010X.
Is Geoffrey Gustavsen enrolled in Medicare?
Yes. Geoffrey Gustavsen 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 Geoffrey Gustavsen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Geoffrey Gustavsen reassigns Medicare benefits to Newark Emergency Center (Newark, DE). 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 Geoffrey Gustavsen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Geoffrey Gustavsen accept?
Health plans from AmeriHealth Caritas Next list Geoffrey Gustavsen 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 Geoffrey Gustavsen was last updated on January 26, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 years 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.