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Richard Marks, MD
NPI 1427113281 · Neurology Physician · Seattle, WA
Richard Marks, MD is a Neurology Physician provider in Seattle, WA (NPI 1427113281).
Provider details
- NPI number
- 1427113281
- Entity type
- Individual
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD00014821 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(90/100 index)
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
550 16th Ave
Ste100
Seattle, WA 98122-5699
Phone: (206) 320-2484
Fax: (206) 320-4568
Street-level locationGet directions
Mailing address
Po Box 84026
Seattle, WA 98124-8426
Registry dates
- Enumerated
- 2006-12-22
- Last updated
- 2009-02-18
Frequently asked questions
- What is Richard Marks's NPI number?
- Richard Marks's National Provider Identifier (NPI) is 1427113281, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Richard Marks's specialty?
- Richard Marks is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is Richard Marks located?
- Richard Marks's practice location on file with NPPES is 550 16th Ave, Seattle, WA 98122-5699.
- What is Richard Marks's phone number?
- The practice phone number listed in the NPPES registry for Richard Marks is (206) 320-2484.
- Is Richard Marks's NPI active?
- Yes — Richard Marks's NPI (1427113281) is active in the NPPES registry as of the last update on 2009-02-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.