MATTHEW EDWARD IWANIEC M.A.
NPI 1164893384
Psychologist - Clinical in Pittsburgh, PA
About Matthew Edward Iwaniec M.a. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MATTHEW EDWARD IWANIEC M.A. (NPI 1164893384) is an individual clinical provider in Pittsburgh, Pennsylvania, licensed in Pennsylvania (PS018675) and active in the NPI registry since October 2015. He is enrolled in Medicare PECOS, is affiliated with West Penn Hospital, and is a graduate of Other (2017).
NPPES Registry Identity
Specialties & Licenses 2
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
Matthew Edward Iwaniec M.a. 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 Matthew Iwaniec reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Pittsburgh, PA 15224
- Reassigned Medicare billing, Pennsylvania enrollment
- 2,881 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 2
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.
West Penn Hospital
Acute Care Hospitals · Pittsburgh, PAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 15224 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.
PITTSBURGH, PA 15224
PITTSBURGH, PA 15224
PITTSBURGH, PA 15224
PITTSBURGH, PA 15224
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 Matthew Iwaniec's NPI number?
The NPI number for Matthew Iwaniec is 1164893384. It was assigned to this individual provider in the NPPES registry on October 14, 2015.
Where is Matthew Iwaniec located?
Matthew Iwaniec practices at 4800 Friendship Ave Ste 1600, Pittsburgh, PA 15224. The listed phone number is (412) 578-4030.
What is Matthew Iwaniec's specialty?
The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.
Is Matthew Iwaniec enrolled in Medicare?
Yes. Matthew Iwaniec 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 Matthew Iwaniec's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Matthew Iwaniec reassigns Medicare benefits to Allegheny Clinic (Pittsburgh, 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 Matthew Iwaniec's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Matthew Iwaniec affiliated with any hospitals?
According to CMS data, Matthew Iwaniec is affiliated with West Penn Hospital.
When was this NPI record last updated?
The NPPES record for Matthew Iwaniec was last updated on October 13, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Matthew Edward Iwaniec, M.A. · NPI 1164893384
Clinical provider in Pittsburgh, Pennsylvania. Individual provider, active in the CMS NPPES registry since October 14, 2015.
## Identity
- **NPI:** 1164893384 (Entity type: Individual)
- **Enumerated:** October 14, 2015
- **Primary specialty:** Psychologist - Clinical · taxonomy 103TC0700X
- **State license:** PS018675 (Pennsylvania)
- **Sole proprietor:** No
## Practice location
- **Address:** 4800 FRIENDSHIP AVE STE 1600, Pittsburgh, PA 15224-1722
- **Phone:** (412) 578-4030
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Allegheny Clinic (NPI 1457667099, Pittsburgh, PA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2017
## Record status
- **NPPES last updated:** October 13, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1164893384) · Data from the CMS NPPES public registry.