OrganizationActive
Elizabeth F. Masten MD & A.robert Masten MD PA
NPI 1922159458 · Dermatology Physician · Milford, DE
Provider details
- NPI number
- 1922159458
- Entity type
- Organization
- Primary specialty
- Dermatology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Cheryll Mcwilliams, Office Manager(302) 422-4578
- License
- 1989020679 (DE)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(90/100 index)
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
509 Lakeview Ave
Milford, DE 19963-2917
Phone: (302) 422-4581
Fax: (302) 424-4511
Street-level locationGet directions
Mailing address
509 Lakeview Ave
Milford, DE 19963-2917
Registry dates
- Enumerated
- 2007-01-12
- Last updated
- 2008-07-03
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.