Watermark Washington House, LLC
NPI 1770961799 · Skilled Nursing Facility · Alexandria, VA
Watermark Washington House, LLC is a Skilled Nursing Facility organization in Alexandria, VA (NPI 1770961799).
Provider details
- NPI number
- 1770961799
- Entity type
- Organization
- Primary specialty
- Skilled Nursing FacilityNursing & Custodial Care Facilities
- Organization subpart
- No
- Authorized official
- Greta Frazier, Director(520) 797-4000
Specialties & taxonomies
Nursing & Custodial Care Facilities
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
11 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
Mailing address
Other names (DBA / former)
- Doing business as
- The Fountains at Washington House
Registry dates
- Enumerated
- 2015-05-11
- Last updated
- 2015-05-11
Frequently asked questions
- What is Watermark Washington House, LLC's NPI number?
- Watermark Washington House, LLC's National Provider Identifier (NPI) is 1770961799, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Watermark Washington House, LLC?
- Watermark Washington House, LLC is classified in the NPPES registry as Skilled Nursing Facility (Nursing & Custodial Care Facilities).
- Where is Watermark Washington House, LLC located?
- Watermark Washington House, LLC's practice location on file with NPPES is 5100 Fillmore Ave, Alexandria, VA 22311-5069.
- What is Watermark Washington House, LLC's phone number?
- The practice phone number listed in the NPPES registry for Watermark Washington House, LLC is (703) 854-5100.
- Who is the authorized official for Watermark Washington House, LLC?
- The authorized official listed on Watermark Washington House, LLC's NPPES record is Greta Frazier, Director. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Watermark Washington House, LLC's NPI active?
- Yes — Watermark Washington House, LLC's NPI (1770961799) is active in the NPPES registry as of the last update on 2015-05-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.