Ashley Clark MD, Mas
About this NPIWhat this record shows.
NPI 1932590205 is registered to Ashley Clark MD, Mas, a Dermatology practising at 2490 Hospital Dr Ste 201 in Mountain View, California. Dermatology is a medical specialty focused on conditions affecting the skin, hair, and nails, including acne, eczema, psoriasis, skin cancer screenings, and cosmetic procedures. Ashley Clark MD, Mas has been enumerated in the National Provider Identifier (NPI) registry since 2015.
Your brand here.
Medicare enrollment
This provider holds 2 Medicare enrollments on file with the Provider Enrollment, Chain and Ownership System (PECOS). Each enrollment carries a public Medicare Enrollment ID (ENRLMT_ID) used by billers and intermediaries.
Practitioner
- I20220615003072DermatologyCA
- I20250702000050DermatologyPA
Source: CMS PECOS public enrollment file.
Insurance & acceptsHow to confirm coverage.
The National Plan and Provider Enumeration System (NPPES) registry does not include commercial insurance network data, so we cannot show which plans Ashley Clark MD, Mas accepts. To confirm in-network status with your specific health plan, contact Ashley Clark MD, Mas directly at (650) 962-4600.
Frequently asked
Yes. NPI 1932590205 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Dermatology is a medical specialty focused on conditions affecting the skin, hair, and nails, including acne, eczema, psoriasis, skin cancer screenings, and cosmetic procedures.
The CMS NPPES Public Registry at npiregistry.cms.hhs.gov is the authoritative source. FindMyNPI mirrors this dataset and refreshes monthly. For real-time verification, you can also call the provider's office at (650) 962-4600.
An individual healthcare provider has a single Type-1 NPI for life. Organisations can hold separate Type-2 NPIs per location, specialty, or sub-entity. Ashley Clark MD, Mas is a Type-1 individual NPI.