CATHRYN MCWILLIAMS MD
NPI 1932113453
Pediatrics in Somers Point, NJ
About Cathryn Mcwilliams Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CATHRYN MCWILLIAMS MD (NPI 1932113453) is an individual pediatrics provider in Somers Point, New Jersey, licensed in New Jersey (25IA13271400) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Cathryn Mcwilliams Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Cathryn Mcwilliams reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Philadelphia, PA 19106
- 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 08244 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.
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 Cathryn Mcwilliams's NPI number?
The NPI number for Cathryn Mcwilliams is 1932113453. It was assigned to this individual provider in the NPPES registry on July 28, 2006.
Where is Cathryn Mcwilliams located?
Cathryn Mcwilliams practices at 505 Bay Ave Ste 101, Somers Point, NJ 08244. The listed phone number is (609) 927-4235.
What is Cathryn Mcwilliams's specialty?
The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.
Is Cathryn Mcwilliams enrolled in Medicare?
Yes. Cathryn Mcwilliams is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Cathryn Mcwilliams's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Cathryn Mcwilliams reassigns Medicare benefits to Clinical Care Associates Of The University Of Pennsylvania Health Syst (Philadelphia, 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 Cathryn Mcwilliams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Cathryn Mcwilliams accept?
Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Buckeye Health Plan list Cathryn Mcwilliams as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Cathryn Mcwilliams was last updated on September 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 48 days 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.
# Cathryn Mcwilliams, MD · NPI 1932113453
Pediatrics physician in Somers Point, New Jersey. Individual provider, active in the CMS NPPES registry since July 28, 2006.
## Identity
- **NPI:** 1932113453 (Entity type: Individual)
- **Enumerated:** July 28, 2006
- **Primary specialty:** Pediatrics · taxonomy 208000000X
- **State license:** 25IA13271400 (New Jersey)
- **Sole proprietor:** No
## Practice location
- **Address:** 505 BAY AVE STE 101, Somers Point, NJ 08244-2564
- **Phone:** (609) 927-4235
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Clinical Care Associates Of The University Of Pennsylvania Health Syst (NPI 1942319777, Philadelphia, PA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** September 21, 2026
- **Other identifiers:** Medicaid 0018495830001 (PA)
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Source: [NPI Profile](https://npiprofile.com/npi/1932113453) · Data from the CMS NPPES public registry.