DR. KARLA FITZGERALD LEAVENS M.D., PH.D.
NPI 1043576424
Pediatrics - Pediatric Endocrinology in Philadelphia, PA
About Dr. Karla Fitzgerald Leavens M.d., Ph.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. KARLA FITZGERALD LEAVENS M.D., PH.D. (NPI 1043576424) is an individual pediatric endocrinology provider in Philadelphia, Pennsylvania, licensed in Pennsylvania (MT201497) and active in the NPI registry since April 2012. She is enrolled in Medicare PECOS and is a graduate of Perelman School Of Med At The University Of Pennsylvania (2012).
NPPES Registry Identity
Specialties & Licenses
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. Karla Fitzgerald Leavens M.d., Ph.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 Karla Leavens reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Philadelphia, PA 19104
- Reassigned Medicare billing, Pennsylvania enrollment
- 1,225 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 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
PHILADELPHIA, PA 19104
PHILADELPHIA, PA 19104
PHILADELPHIA, PA 19104
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 Karla Leavens's NPI number?
The NPI number for Karla Leavens is 1043576424. It was assigned to this individual provider in the NPPES registry on April 10, 2012.
Where is Karla Leavens located?
Karla Leavens practices at 3401 Civic Center Blvd Division Of Pediatric Endocrinology, Philadelphia, PA 19104. The listed phone number is (215) 694-8998.
What is Karla Leavens's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Endocrinology, with taxonomy code 2080P0205X.
Is Karla Leavens enrolled in Medicare?
Yes. Karla Leavens 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 Karla Leavens's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Karla Leavens reassigns Medicare benefits to Childrens Health Care Associates, Inc (Philadelphia, PA). 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 Karla Leavens'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 Karla Leavens was last updated on June 29, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.
# Dr. Karla Fitzgerald Leavens, M.D., PH.D. · NPI 1043576424
Pediatric Endocrinology physician in Philadelphia, Pennsylvania. Individual provider, active in the CMS NPPES registry since April 10, 2012.
## Identity
- **NPI:** 1043576424 (Entity type: Individual)
- **Enumerated:** April 10, 2012
- **Primary specialty:** Pediatrics - Pediatric Endocrinology · taxonomy 2080P0205X
- **State license:** MT201497 (Pennsylvania)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 3401 CIVIC CENTER BLVD, DIVISION OF PEDIATRIC ENDOCRINOLOGY, Philadelphia, PA 19104-4319
- **Phone:** (215) 694-8998
## 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:** Childrens Health Care Associates, Inc (NPI 1033204086, Philadelphia, PA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Perelman School Of Med At The University Of Pennsylvania, class of 2012
## Record status
- **NPPES last updated:** June 29, 2015
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Source: [NPI Profile](https://npiprofile.com/npi/1043576424) · Data from the CMS NPPES public registry.