WALTER MATKIWSKY DO
NPI 1699789461
Family Medicine in Hillside, NJ
About Walter Matkiwsky Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WALTER MATKIWSKY DO (NPI 1699789461) is an individual family medicine provider in Hillside, New Jersey, licensed in New Jersey (25MB02410900) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Morristown Medical Center, and is a graduate of Philadelphia College Of Osteopathic Medicine (1969).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
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
Walter Matkiwsky Do 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 Walter Matkiwsky reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Morristown, NJ 07960
- Reassigned Medicare billing, New Jersey enrollment
- 1,699 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 4
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.
Morristown Medical Center
Acute Care Hospitals · Morristown, NJOverlook Medical Center
Acute Care Hospitals · Summit, NJPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 07205 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
HILLSIDE, NJ 07205
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 Walter Matkiwsky's NPI number?
The NPI number for Walter Matkiwsky is 1699789461. It was assigned to this individual provider in the NPPES registry on July 28, 2006.
Where is Walter Matkiwsky located?
Walter Matkiwsky practices at 100 Hollywood Ave Hillside Family Practice, Hillside, NJ 07205. The listed phone number is (908) 353-7949.
What is Walter Matkiwsky's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Walter Matkiwsky enrolled in Medicare?
Yes. Walter Matkiwsky 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 Walter Matkiwsky's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Walter Matkiwsky reassigns Medicare benefits to Practice Associates Medical Group (Morristown, NJ). 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 Walter Matkiwsky's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Walter Matkiwsky affiliated with any hospitals?
According to CMS data, Walter Matkiwsky is affiliated with Morristown Medical Center and Overlook Medical Center.
When was this NPI record last updated?
The NPPES record for Walter Matkiwsky was last updated on December 30, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.
# Walter Matkiwsky, DO · NPI 1699789461
Family Medicine physician in Hillside, New Jersey. Individual provider, active in the CMS NPPES registry since July 28, 2006.
## Identity
- **NPI:** 1699789461 (Entity type: Individual)
- **Enumerated:** July 28, 2006
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** 25MB02410900 (New Jersey)
- **Sole proprietor:** No
## Practice location
- **Address:** 100 HOLLYWOOD AVE, HILLSIDE FAMILY PRACTICE, Hillside, NJ 07205
- **Phone:** (908) 353-7949 · **Fax:** (908) 353-8374
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Practice Associates Medical Group (NPI 1427016385, Morristown, NJ), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Philadelphia College Of Osteopathic Medicine, class of 1969
## Record status
- **NPPES last updated:** December 30, 2014
- **Other identifiers:** Medicare UPIN C53843; Medicaid 2195704 (NJ); Medicare ID-Type Unspecified 456699
---
Source: [NPI Profile](https://npiprofile.com/npi/1699789461) · Data from the CMS NPPES public registry.