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James Grierson, MD
NPI 1679560189 · Family Medicine Physician · Marysville, WA
James Grierson, MD is a Family Medicine Physician provider in Marysville, WA (NPI 1679560189).
Provider details
- NPI number
- 1679560189
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD00043397 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
11603 State Ave
Ste G
Marysville, WA 98271-8465
Phone: (360) 658-6800
Fax: (360) 658-6819
Street-level locationGet directions
Mailing address
Po Box 3360
Portland, OR 97208-3360
Registry dates
- Enumerated
- 2005-09-29
- Last updated
- 2021-05-25
- Certified
- 2021-05-25
Frequently asked questions
- What is James Grierson's NPI number?
- James Grierson's National Provider Identifier (NPI) is 1679560189, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Grierson's specialty?
- James Grierson is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is James Grierson located?
- James Grierson's practice location on file with NPPES is 11603 State Ave, Marysville, WA 98271-8465.
- What is James Grierson's phone number?
- The practice phone number listed in the NPPES registry for James Grierson is (360) 658-6800.
- Is James Grierson's NPI active?
- Yes — James Grierson's NPI (1679560189) is active in the NPPES registry as of the last update on 2021-05-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.