Dyan Den Ouden, FNP
NPI 1619154788 · Family Nurse Practitioner · San Francisco, CA
Enrolled with Medicare as Order and Referring Only - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Dyan Den Ouden, FNP is a Family Nurse Practitioner provider in San Francisco, CA (NPI 1619154788).
Provider details
- NPI number
- 1619154788
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- No
- License
- NP17446 (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
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
Mailing address
Registry dates
- Enumerated
- 2008-01-30
- Last updated
- 2015-09-02
Frequently asked questions
- What is Dyan Den Ouden's NPI number?
- Dyan Den Ouden's National Provider Identifier (NPI) is 1619154788, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dyan Den Ouden's specialty?
- Dyan Den Ouden is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Dyan Den Ouden located?
- Dyan Den Ouden's practice location on file with NPPES is 425 7th Street, San Francisco, CA 94103.
- What is Dyan Den Ouden's phone number?
- The practice phone number listed in the NPPES registry for Dyan Den Ouden is (415) 575-4326.
- Does Dyan Den Ouden accept Medicare?
- Dyan Den Ouden is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Dyan Den Ouden's NPI active?
- Yes — Dyan Den Ouden's NPI (1619154788) is active in the NPPES registry as of the last update on 2015-09-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.