CHRISTINE GIESA DO
NPI 1790754778
Emergency Medicine in Philadelphia, PA
About Christine Giesa Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CHRISTINE GIESA DO (NPI 1790754778) is an individual emergency medicine provider in Philadelphia, Pennsylvania, licensed in Pennsylvania (OS007584L) and active in the NPI registry since March 2006. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Christine Giesa Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Christine Giesa reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Drexel Hill, PA 19026
- Reassigned Medicare billing, Pennsylvania enrollment
- 654 clinicians in this Medicare group
Langhorne, PA 19047
- Reassigned Medicare billing, Pennsylvania enrollment
- Medicare enrollment name: Emergency Care Services Of Pennsylvania PC
- 329 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 2
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 19141 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 19141
PHILADELPHIA, PA 19141
PHILADELPHIA, PA 19141
PHILADELPHIA, PA 19141
PHILADELPHIA, PA 19141
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 Christine Giesa's NPI number?
The NPI number for Christine Giesa is 1790754778. It was assigned to this individual provider in the NPPES registry on March 14, 2006.
Where is Christine Giesa located?
Christine Giesa practices at 5501 Old York Rd, Philadelphia, PA 19141. The listed phone number is (215) 456-6679.
What is Christine Giesa's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Christine Giesa enrolled in Medicare?
Yes. Christine Giesa is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Christine Giesa's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Christine Giesa reassigns Medicare benefits to 2 organizations: Prospect Health Access Network, Inc. (Drexel Hill, PA) and Emergency Care Services Of Pennsylvania, P.C. (Langhorne, 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 Christine Giesa'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 Christine Giesa was last updated on September 24, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.
# Christine Giesa, DO · NPI 1790754778
Emergency Medicine physician in Philadelphia, Pennsylvania. Individual provider, active in the CMS NPPES registry since March 14, 2006.
## Identity
- **NPI:** 1790754778 (Entity type: Individual)
- **Enumerated:** March 14, 2006
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** OS007584L (Pennsylvania)
- **Sole proprietor:** No
## Practice location
- **Address:** 5501 OLD YORK RD, Philadelphia, PA 19141-3018
- **Phone:** (215) 456-6679 · **Fax:** (215) 456-8502
## 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): Prospect Health Access Network, Inc. (NPI 1255786729, Drexel Hill, PA); Emergency Care Services Of Pennsylvania, P.C. (NPI 1114955010, Langhorne, PA) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** September 24, 2010
- **Other identifiers:** Medicaid 001466635 (PA); Medicare UPIN F47505; Medicare ID-Type Unspecified 0000458289
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Source: [NPI Profile](https://npiprofile.com/npi/1790754778) · Data from the CMS NPPES public registry.