DR. ALEXANDER A KLEINMANN M.D.
NPI 1013128909
Emergency Medicine in Philadelphia, PA
About Dr. Alexander A Kleinmann M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ALEXANDER A KLEINMANN M.D. (NPI 1013128909) is an individual emergency medicine provider in Philadelphia, Pennsylvania, licensed in Pennsylvania (MD440035) and active in the NPI registry since May 2007. He is enrolled in Medicare PECOS, is affiliated with Thomas Jefferson University Hospital, and is a graduate of State University Of New York At Buffalo School Of Medicine (2007).
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. Alexander A Kleinmann M.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 Reassignments
4Medicare enrollment records show Alexander Kleinmann reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Philadelphia, PA 19107
- Reassigned Medicare billing, Pennsylvania enrollment
- 1,739 clinicians in this Medicare group
Philadelphia, PA 19107
- Reassigned Medicare billing, Pennsylvania enrollment
- 241 clinicians in this Medicare group
Philadelphia, PA 19124
- Reassigned Medicare billing, Pennsylvania enrollment
- Medicare enrollment name: Aria Health Physician Services
- 490 clinicians in this Medicare group
Delray Beach, FL 33484
- Reassigned Medicare billing, Florida enrollment
- 527 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 5
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Thomas Jefferson University Hospital
Acute Care Hospitals · Philadelphia, PAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 19107 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 19107
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 Kleinmann's NPI number?
The NPI number for Alexander Kleinmann is 1013128909. It was assigned to this individual provider in the NPPES registry on May 24, 2007.
Where is Alexander Kleinmann located?
Alexander Kleinmann practices at 1020 Sansom St Suite 239, Philadelphia, PA 19107. The listed phone number is (215) 955-6844.
What is Alexander Kleinmann's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Alexander Kleinmann enrolled in Medicare?
Yes. Alexander Kleinmann 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 Kleinmann's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alexander Kleinmann reassigns Medicare benefits to 4 organizations: Jefferson University Physicians (Philadelphia, PA), Jefferson Acute Care Physicians, PC (Philadelphia, PA), Aria Health Physician Services - Juniata (Philadelphia, PA) and Inphynet Contracting Services LLC (Delray Beach, FL). 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 Kleinmann's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Alexander Kleinmann affiliated with any hospitals?
According to CMS data, Alexander Kleinmann is affiliated with Thomas Jefferson University Hospital.
When was this NPI record last updated?
The NPPES record for Alexander Kleinmann was last updated on September 11, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.