ASHLEY KATHERINE CLARK MD, MAS
NPI 1932590205
Dermatology in Mountain View, CA
About Ashley Katherine Clark Md, Mas NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ASHLEY KATHERINE CLARK MD, MAS (NPI 1932590205) is an individual dermatology provider in Mountain View, California, licensed in California (A176366) and active in the NPI registry since February 2015. She is enrolled in Medicare PECOS, maintains a secondary practice location in Santa Clara, and is a graduate of University Of California, Davis School Of Medicine (2013).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Ashley Katherine Clark Md, Mas is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Ashley Clark reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Walnut Creek, CA 94598
- Reassigned Medicare billing, California enrollment
- 103 clinicians in this Medicare group
Lower Gwynedd, PA 19002
- Reassigned Medicare billing, Pennsylvania enrollment
- 3 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.
Areas of Expertise CMS Part B claims 13
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94040 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.
Other Providers at the Same Location NPPES
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Ashley Clark's NPI number?
The NPI number for Ashley Clark is 1932590205. It was assigned to this individual provider in the NPPES registry on February 9, 2015.
Where is Ashley Clark located?
Ashley Clark practices at 2490 Hospital Dr Ste 201, Mountain View, CA 94040. The listed phone number is (650) 962-4600.
What is Ashley Clark's specialty?
The primary specialty registered for this NPI is Dermatology with taxonomy code 207N00000X.
Is Ashley Clark enrolled in Medicare?
Yes. Ashley Clark is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Ashley Clark's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ashley Clark reassigns Medicare benefits to 2 organizations: Golden State Dermatology Associates Inc (Walnut Creek, CA) and Springhouse Dermatology Inc (Lower Gwynedd, PA). Each 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 Ashley Clark's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Ashley Clark was last updated on June 23, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.
# Ashley Katherine Clark, MD, MAS · NPI 1932590205
Dermatology physician in Mountain View, California. Individual provider, active in the CMS NPPES registry since February 9, 2015.
## Identity
- **NPI:** 1932590205 (Entity type: Individual)
- **Enumerated:** February 9, 2015
- **Primary specialty:** Dermatology · taxonomy 207N00000X
- **State license:** A176366 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 2490 HOSPITAL DR STE 201, Mountain View, CA 94040-4124
- **Phone:** (650) 962-4600
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Golden State Dermatology Associates Inc (NPI 1700860871, Walnut Creek, CA); Springhouse Dermatology Inc (NPI 1487041257, Lower Gwynedd, PA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of California, Davis School Of Medicine, class of 2013
## Record status
- **NPPES last updated:** June 23, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1932590205) · Data from the CMS NPPES public registry.