Cornerstone Medical Clinic
NPI 1235460676 · Internal Medicine Physician · Sumner, WA
Cornerstone Medical Clinic is a Internal Medicine Physician organization in Sumner, WA (NPI 1235460676).
Provider details
- NPI number
- 1235460676
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Lorinda Marceaux, Manager(253) 241-3401
- License
- MD00036169 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
16 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
- 2010-01-25
- Last updated
- 2010-01-25
Frequently asked questions
- What is Cornerstone Medical Clinic's NPI number?
- Cornerstone Medical Clinic's National Provider Identifier (NPI) is 1235460676, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Cornerstone Medical Clinic?
- Cornerstone Medical Clinic is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Cornerstone Medical Clinic located?
- Cornerstone Medical Clinic's practice location on file with NPPES is 1420 Main St, Sumner, WA 98390-1810.
- What is Cornerstone Medical Clinic's phone number?
- The practice phone number listed in the NPPES registry for Cornerstone Medical Clinic is (253) 987-5156.
- Who is the authorized official for Cornerstone Medical Clinic?
- The authorized official listed on Cornerstone Medical Clinic's NPPES record is Lorinda Marceaux, Manager. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Cornerstone Medical Clinic's NPI active?
- Yes — Cornerstone Medical Clinic's NPI (1235460676) is active in the NPPES registry as of the last update on 2010-01-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.