ALEXANDER CHALPHIN
NPI 1689059065
Surgery - Pediatric Surgery in Philadelphia, PA
About Alexander Chalphin NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALEXANDER CHALPHIN (NPI 1689059065) is an individual pediatric surgery provider in Philadelphia, Pennsylvania, licensed in New York (314327) and active in the NPI registry since July 2015. He is enrolled in Medicare PECOS and maintains a secondary practice location in Boston.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Alexander Chalphin is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Alexander Chalphin reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Philadelphia, PA 19134
- Reassigned Medicare billing, New Jersey and Pennsylvania enrollments
- Also billed through NPI 1003450420 (Pennsylvania)
- 29 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.
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 19134
PHILADELPHIA, PA 19134
PHILADELPHIA, PA 19134
PHILADELPHIA, PA 19134
PHILADELPHIA, PA 19134
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 Alexander Chalphin's NPI number?
The NPI number for Alexander Chalphin is 1689059065. It was assigned to this individual provider in the NPPES registry on July 27, 2015.
Where is Alexander Chalphin located?
Alexander Chalphin practices at 160 E Erie Ave, Philadelphia, PA 19134. The listed phone number is (215) 427-5292.
What is Alexander Chalphin's specialty?
The primary specialty registered for this NPI is Surgery, specializing in Pediatric Surgery, with taxonomy code 2086S0120X.
Is Alexander Chalphin enrolled in Medicare?
Yes. Alexander Chalphin is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Alexander Chalphin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alexander Chalphin reassigns Medicare benefits to Stc Pediatrics LLC (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 Alexander Chalphin'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 Alexander Chalphin was last updated on May 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months 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.