Alexander Tan, N.D.
NPI 1306992698 · Psychiatric/Mental Health Nurse Practitioner · Seattle, WA
Alexander Tan, N.D. is a Psychiatric/Mental Health Nurse Practitioner provider in Seattle, WA (NPI 1306992698).
Provider details
- NPI number
- 1306992698
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- N.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 212 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Other Service Providers
Other Service Providers
Profile Score
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
3 documented practice locations
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
Additional practice locations (2)
- 141 Camino Alto Ste 1Mill Valley, CA 94941-2219Phone: (415) 381-4600
- 1600 7th Ave Ste 110Seattle, WA 98101-2288Phone: (206) 267-4390Fax: (206) 267-4391
Registry dates
- Enumerated
- 2007-01-27
- Last updated
- 2025-02-02
- Certified
- 2025-02-02
Frequently asked questions
- What is Alexander Tan's NPI number?
- Alexander Tan's National Provider Identifier (NPI) is 1306992698, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alexander Tan's specialty?
- Alexander Tan is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Alexander Tan located?
- Alexander Tan's practice location on file with NPPES is 1455 Nw Leary Way Ste 400, Seattle, WA 98107-5138.
- What is Alexander Tan's phone number?
- The practice phone number listed in the NPPES registry for Alexander Tan is (206) 880-0611.
- Is Alexander Tan's NPI active?
- Yes — Alexander Tan's NPI (1306992698) is active in the NPPES registry as of the last update on 2025-02-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.