WENDYMARIE GEJER MD
NPI 1548296908
Emergency Medicine in Philadelphia, PA
About Wendymarie Gejer Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WENDYMARIE GEJER MD (NPI 1548296908) is an individual emergency medicine provider in Philadelphia, Pennsylvania, licensed in Pennsylvania (MD428175) and active in the NPI registry since June 2006. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 8
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Wendymarie Gejer Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Wendymarie Gejer reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Darby, PA 19023
- Reassigned Medicare billing, Pennsylvania enrollment
- 646 clinicians in this Medicare group
Darby, PA 19023
- Reassigned Medicare billing, Pennsylvania enrollment
- 107 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.
Areas of Expertise CMS Part B claims 4
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 19143 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 19143
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 Wendymarie Gejer's NPI number?
The NPI number for Wendymarie Gejer is 1548296908. It was assigned to this individual provider in the NPPES registry on June 25, 2006.
Where is Wendymarie Gejer located?
Wendymarie Gejer practices at 501 S 54th St Academic ER Svcs - ER Dept, Philadelphia, PA 19143. The listed phone number is (215) 748-9435.
What is Wendymarie Gejer's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Wendymarie Gejer enrolled in Medicare?
Yes. Wendymarie Gejer is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Wendymarie Gejer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Wendymarie Gejer reassigns Medicare benefits to 2 organizations: Trinity Health Mid-Atlantic Medical Group (Darby, PA) and Cep America LLC (Darby, PA). 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 Wendymarie Gejer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Wendymarie Gejer was last updated on April 29, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.
# Wendymarie Gejer, MD · NPI 1548296908
Emergency Medicine physician in Philadelphia, Pennsylvania. Individual provider, active in the CMS NPPES registry since June 25, 2006.
## Identity
- **NPI:** 1548296908 (Entity type: Individual)
- **Enumerated:** June 25, 2006
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** MD428175 (Pennsylvania)
- **Sole proprietor:** No
## Practice location
- **Address:** 501 S 54TH ST, ACADEMIC ER SVCS - ER DEPT, Philadelphia, PA 19143-1900
- **Phone:** (215) 748-9435
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Trinity Health Mid-Atlantic Medical Group (NPI 1083138770, Darby, PA); Cep America LLC (NPI 1891672150, Darby, PA) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** April 29, 2008
- **Other identifiers:** Other 1868284; Other 30033030 (PA); Other 1016391400002 (PA); and 5 more
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Source: [NPI Profile](https://npiprofile.com/npi/1548296908) · Data from the CMS NPPES public registry.