IndividualActive
Carolyn Mcwilliams, RPH
NPI 1821380429 · Pharmacist · Malvern, PA
Carolyn Mcwilliams, RPH is a Pharmacist provider in Malvern, PA (NPI 1821380429).
Provider details
- NPI number
- 1821380429
- Entity type
- Individual
- Primary specialty
- PharmacistPharmacy Service Providers
- Credential
- RPH
- Sex
- Female
- Sole proprietor
- No
- License
- RP440603 (PA)
Specialties & taxonomies
Pharmacy Service Providers
Profile Score
Detailed profile(82/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
15 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
100 Maxis Dr
Malvern, PA 19355-1327
Phone: (484) 321-5656
Fax: (484) 321-5657
Approximate (ZIP-level) locationGet directions
Mailing address
9 Southwind Ln
Downingtown, PA 19335-4060
Registry dates
- Enumerated
- 2011-05-15
- Last updated
- 2026-05-19
- Certified
- 2026-05-19
Frequently asked questions
- What is Carolyn Mcwilliams's NPI number?
- Carolyn Mcwilliams's National Provider Identifier (NPI) is 1821380429, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Carolyn Mcwilliams's specialty?
- Carolyn Mcwilliams is listed in the NPPES registry with a primary specialty of Pharmacist (Pharmacy Service Providers).
- Where is Carolyn Mcwilliams located?
- Carolyn Mcwilliams's practice location on file with NPPES is 100 Maxis Dr, Malvern, PA 19355-1327.
- What is Carolyn Mcwilliams's phone number?
- The practice phone number listed in the NPPES registry for Carolyn Mcwilliams is (484) 321-5656.
- Is Carolyn Mcwilliams's NPI active?
- Yes — Carolyn Mcwilliams's NPI (1821380429) is active in the NPPES registry as of the last update on 2026-05-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.