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Charles Johnson, M.D.
NPI 1821288309 · Psychiatry Physician · Seattle, WA
Charles Johnson, M.D. is a Psychiatry Physician provider in Seattle, WA (NPI 1821288309).
Provider details
- NPI number
- 1821288309
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- MD00008567 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(89/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 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
509 Olive Way
1334
Seattle, WA 98101-1743
Phone: (206) 682-4061
Street-level locationGet directions
Mailing address
509 Olive Way
Seattle, WA 98101-1720
Registry dates
- Enumerated
- 2007-07-31
- Last updated
- 2007-07-31
Frequently asked questions
- What is Charles Johnson's NPI number?
- Charles Johnson's National Provider Identifier (NPI) is 1821288309, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Charles Johnson's specialty?
- Charles Johnson is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Charles Johnson located?
- Charles Johnson's practice location on file with NPPES is 509 Olive Way, Seattle, WA 98101-1743.
- What is Charles Johnson's phone number?
- The practice phone number listed in the NPPES registry for Charles Johnson is (206) 682-4061.
- Is Charles Johnson's NPI active?
- Yes — Charles Johnson's NPI (1821288309) is active in the NPPES registry as of the last update on 2007-07-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.