Diane Washington, CRNA
NPI 1689749566 · Certified Registered Nurse Anesthetist · Redwood City, CA
Diane Washington, CRNA is a Certified Registered Nurse Anesthetist provider in Redwood City, CA (NPI 1689749566).
Provider details
- NPI number
- 1689749566
- Entity type
- Individual
- Primary specialty
- Certified Registered Nurse AnesthetistPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CRNA
- Sex
- Female
- Sole proprietor
- Yes
- License
- 486290 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing 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
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
- 2006-11-23
- Last updated
- 2007-07-23
Frequently asked questions
- What is Diane Washington's NPI number?
- Diane Washington's National Provider Identifier (NPI) is 1689749566, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diane Washington's specialty?
- Diane Washington is listed in the NPPES registry with a primary specialty of Certified Registered Nurse Anesthetist (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Diane Washington located?
- Diane Washington's practice location on file with NPPES is 1150 Veterans Blvd, Redwood City, CA 94063-2037.
- What is Diane Washington's phone number?
- The practice phone number listed in the NPPES registry for Diane Washington is (650) 299-3142.
- Is Diane Washington's NPI active?
- Yes — Diane Washington's NPI (1689749566) is active in the NPPES registry as of the last update on 2007-07-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.