ALEXANDER EDWIN GLASER
NPI 1093125288
Internal Medicine in Philadelphia, PA
About Alexander Edwin Glaser NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALEXANDER EDWIN GLASER (NPI 1093125288) is an individual internal medicine provider in Philadelphia, Pennsylvania, licensed in Pennsylvania (MD460038) and active in the NPI registry since April 2014. He is enrolled in Medicare PECOS, is affiliated with Penn Presbyterian Medical Center, and is a graduate of Duke University School Of Medicine (2010).
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
Alexander Edwin Glaser 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 Reassignments
3Medicare enrollment records show Alexander Glaser reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Philadelphia, PA 19104
- Reassigned Medicare billing, Pennsylvania enrollment
- 752 clinicians in this Medicare group
Philadelphia, PA 19104
- Reassigned Medicare billing, Pennsylvania enrollment
- 199 clinicians in this Medicare group
Philadelphia, PA 19145
- Reassigned Medicare billing, Pennsylvania enrollment
- Medicare enrollment name: Clinical Care Associates Of The University Of Pennsylvania Health.
- 983 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 6
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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Penn Presbyterian Medical Center
Acute Care Hospitals · Philadelphia, PAPennsylvania Hospital
Acute Care Hospitals · Philadelphia, PAPhysician 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.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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
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 Glaser's NPI number?
The NPI number for Alexander Glaser is 1093125288. It was assigned to this individual provider in the NPPES registry on April 28, 2014.
Where is Alexander Glaser located?
Alexander Glaser practices at 3400 Spruce St, Philadelphia, PA 19104. The listed phone number is (215) 662-2200.
What is Alexander Glaser's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Alexander Glaser enrolled in Medicare?
Yes. Alexander Glaser 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 organizations bill Medicare for Alexander Glaser's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alexander Glaser reassigns Medicare benefits to 3 organizations: University Of Penn - Medical Group (Philadelphia, PA), Trustees Of The University Of Pennsylvania (Philadelphia, PA) and Clinical Care Associates Of The University Of Pennsylvania Health Syst (Philadelphia, 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 Alexander Glaser's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Alexander Glaser affiliated with any hospitals?
According to CMS data, Alexander Glaser is affiliated with Penn Presbyterian Medical Center and Pennsylvania Hospital.
When was this NPI record last updated?
The NPPES record for Alexander Glaser was last updated on May 7, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.