Cathryn Mcwilliams, MD
NPI 1932113453 · Pediatrics Physician · Phoenixville, PA
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Cathryn Mcwilliams, MD is a Pediatrics Physician provider in Phoenixville, PA (NPI 1932113453).
Provider details
- NPI number
- 1932113453
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- MD058315L (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-28
- Last updated
- 2011-03-15
Frequently asked questions
- What is Cathryn Mcwilliams's NPI number?
- Cathryn Mcwilliams's National Provider Identifier (NPI) is 1932113453, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Cathryn Mcwilliams's specialty?
- Cathryn Mcwilliams is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Cathryn Mcwilliams located?
- Cathryn Mcwilliams's practice location on file with NPPES is 824 Main St, Phoenixville, PA 19460.
- What is Cathryn Mcwilliams's phone number?
- The practice phone number listed in the NPPES registry for Cathryn Mcwilliams is (610) 935-1330.
- Does Cathryn Mcwilliams accept Medicare?
- Cathryn Mcwilliams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Cathryn Mcwilliams's NPI active?
- Yes — Cathryn Mcwilliams's NPI (1932113453) is active in the NPPES registry as of the last update on 2011-03-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.