SASKIA KAPLIN MATTHEWS PMHNP-BC
NPI 1336834464
Nurse Practitioner - Psychiatric/Mental Health in Washington, DC
About Saskia Kaplin Matthews Pmhnp-bc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SASKIA KAPLIN MATTHEWS PMHNP-BC (NPI 1336834464) is an individual psychiatric/mental health provider in Washington, District Of Columbia, licensed in Virginia (0024191151) and active in the NPI registry since April 2023. She is enrolled in Medicare PECOS, maintains a secondary practice location in Vienna, and is a graduate of Other (2023).
NPPES Registry Identity
Specialties & Licenses
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
Saskia Kaplin Matthews Pmhnp-bc 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 Saskia Matthews reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Washington, DC 20001
- Reassigned Medicare billing, District of Columbia enrollment
- 25 clinicians in this Medicare group
Mechanicsville, VA 23116
- Reassigned Medicare billing, District of Columbia enrollment
- 65 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 20005 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
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 Saskia Matthews's NPI number?
The NPI number for Saskia Matthews is 1336834464. It was assigned to this individual provider in the NPPES registry on April 5, 2023.
Where is Saskia Matthews located?
Saskia Matthews practices at 1200 G St NW Ste 800, Washington, DC 20005. The listed phone number is (410) 627-7190.
What is Saskia Matthews's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.
Is Saskia Matthews enrolled in Medicare?
Yes. Saskia Matthews 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 Saskia Matthews's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Saskia Matthews reassigns Medicare benefits to 2 organizations: Some, Inc (Washington, DC) and Commonwealth Counseling Associates Inc (Mechanicsville, VA). 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 Saskia Matthews'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 Saskia Matthews was last updated on September 10, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months 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.
# Saskia Kaplin Matthews, PMHNP-BC · NPI 1336834464
Psychiatric/Mental Health physician in Washington, District of Columbia. Individual provider, active in the CMS NPPES registry since April 5, 2023.
## Identity
- **NPI:** 1336834464 (Entity type: Individual)
- **Enumerated:** April 5, 2023
- **Primary specialty:** Nurse Practitioner - Psychiatric/Mental Health · taxonomy 363LP0808X
- **State license:** 0024191151 (Virginia)
- **Sole proprietor:** No
## Practice location
- **Address:** 1200 G ST NW STE 800, Washington, DC 20005-6705
- **Phone:** (410) 627-7190
## 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): Some, Inc (NPI 1295803856, Washington, DC); Commonwealth Counseling Associates Inc (NPI 1851345805, Mechanicsville, VA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2023
## Record status
- **NPPES last updated:** September 10, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1336834464) · Data from the CMS NPPES public registry.