MATTHIAS SOMMER M.D
NPI 1295046241
Psychiatry & Neurology - Psychiatry in Philadelphia, PA
About Matthias Sommer M.d NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MATTHIAS SOMMER M.D (NPI 1295046241) is an individual psychiatry provider in Philadelphia, Pennsylvania, licensed in Pennsylvania (MD454153) and active in the NPI registry since June 2010. He is enrolled in Medicare PECOS, is affiliated with Temple University Hospital, and maintains a secondary practice location in Philadelphia.
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 and accepts Medicare assignment
Matthias Sommer 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
3Medicare enrollment records show Matthias Sommer reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Philadelphia, PA 19125
- Reassigned Medicare billing, Pennsylvania enrollment
- 1,991 clinicians in this Medicare group
Philadelphia, PA 19107
- Reassigned Medicare billing, Pennsylvania enrollment
- 3,488 clinicians in this Medicare group
Wernersville, PA 19565
- Reassigned Medicare billing, Pennsylvania enrollment
- 27 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
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.
Temple University Hospital
Acute Care Hospitals · Philadelphia, PAHospital Of Univ Of Pennsylvania
Acute Care Hospitals · Philadelphia, PAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 19125 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.
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 19125
PHILADELPHIA, PA 19125
PHILADELPHIA, PA 19125
PHILADELPHIA, PA 19125
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 Matthias Sommer's NPI number?
The NPI number for Matthias Sommer is 1295046241. It was assigned to this individual provider in the NPPES registry on June 24, 2010.
Where is Matthias Sommer located?
Matthias Sommer practices at 100 E Lehigh Ave, Philadelphia, PA 19125. The listed phone number is (215) 707-8496.
What is Matthias Sommer's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.
Is Matthias Sommer enrolled in Medicare?
Yes. Matthias Sommer 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 Matthias Sommer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Matthias Sommer reassigns Medicare benefits to 3 organizations: Temple Faculty Practice Plan, Inc (Philadelphia, PA), University Of Penn-Medical Group (Philadelphia, PA) and Pennsylvania Department Of Human Services (Wernersville, 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 Matthias Sommer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Matthias Sommer affiliated with any hospitals?
According to CMS data, Matthias Sommer is affiliated with Temple University Hospital and Hospital Of Univ Of Pennsylvania.
When was this NPI record last updated?
The NPPES record for Matthias Sommer was last updated on January 27, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 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.