Mountainside Psychiatric Services
NPI 1518979434 · Preferred Provider Organization · Lakewood, WA
Mountainside Psychiatric Services is a Preferred Provider Organization organization in Lakewood, WA (NPI 1518979434).
Provider details
- NPI number
- 1518979434
- Entity type
- Organization
- Primary specialty
- Preferred Provider OrganizationManaged Care Organizations
- Organization subpart
- No
- Authorized official
- Kathleen Potter, Owner/Operator(253) 460-9414
Specialties & taxonomies
Managed Care Organizations
Profile Score
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
Mailing address
Registry dates
- Enumerated
- 2006-08-12
- Last updated
- 2008-08-25
Frequently asked questions
- What is Mountainside Psychiatric Services's NPI number?
- Mountainside Psychiatric Services's National Provider Identifier (NPI) is 1518979434, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Mountainside Psychiatric Services?
- Mountainside Psychiatric Services is classified in the NPPES registry as Preferred Provider Organization (Managed Care Organizations).
- Where is Mountainside Psychiatric Services located?
- Mountainside Psychiatric Services's practice location on file with NPPES is 10209 Bridgeport Way Sw, Lakewood, WA 98499-2320.
- What is Mountainside Psychiatric Services's phone number?
- The practice phone number listed in the NPPES registry for Mountainside Psychiatric Services is (253) 460-9414.
- Who is the authorized official for Mountainside Psychiatric Services?
- The authorized official listed on Mountainside Psychiatric Services's NPPES record is Kathleen Potter, Owner/Operator. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Mountainside Psychiatric Services's NPI active?
- Yes — Mountainside Psychiatric Services's NPI (1518979434) is active in the NPPES registry as of the last update on 2008-08-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.