Marshall Anderson, MD
NPI 1417942038 · Occupational Medicine Physician · Mount Vernon, WA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marshall Anderson, MD is a Occupational Medicine Physician provider in Mount Vernon, WA (NPI 1417942038).
Provider details
- NPI number
- 1417942038
- Entity type
- Individual
- Primary specialty
- Occupational Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD00037814 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
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
Mailing address
Registry dates
- Enumerated
- 2005-09-20
- Last updated
- 2021-10-22
- Certified
- 2021-10-22
Frequently asked questions
- What is Marshall Anderson's NPI number?
- Marshall Anderson's National Provider Identifier (NPI) is 1417942038, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marshall Anderson's specialty?
- Marshall Anderson is listed in the NPPES registry with a primary specialty of Occupational Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Marshall Anderson located?
- Marshall Anderson's practice location on file with NPPES is 1400 E Kincaid St, Mount Vernon, WA 98274-4127.
- What is Marshall Anderson's phone number?
- The practice phone number listed in the NPPES registry for Marshall Anderson is (360) 848-4150.
- Does Marshall Anderson accept Medicare?
- Marshall Anderson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marshall Anderson's NPI active?
- Yes — Marshall Anderson's NPI (1417942038) is active in the NPPES registry as of the last update on 2021-10-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.