What is Claudia Knaack's NPI number?

Claudia Knaack's National Provider Identifier (NPI) is 1215882816, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Claudia Knaack's specialty?

Claudia Knaack is listed in the NPPES registry with a primary specialty of Registered Nurse (Nursing Service Providers).

Where is Claudia Knaack located?

Claudia Knaack's practice location on file with NPPES is 5 Bon Air Rd, Larkspur, CA 94939-1143.

What is Claudia Knaack's phone number?

The practice phone number listed in the NPPES registry for Claudia Knaack is (415) 448-1400.

Is Claudia Knaack's NPI active?

Yes — Claudia Knaack's NPI (1215882816) is active in the NPPES registry as of the last update on 2026-02-28.

IndividualActive

Claudia Knaack

NPI 1215882816 · Registered Nurse · Larkspur, CA

Claudia Knaack is a Registered Nurse provider in Larkspur, CA (NPI 1215882816).

Provider details

NPI number: 1215882816
Entity type: Individual
Primary specialty: Registered NurseNursing Service Providers
Sex: Female
Sole proprietor: No
License: 845898 (CA)

Specialties & taxonomies

Registered NursePrimary163W00000XLicense 845898 (CA)
Nursing Service Providers

Profile Score

Established profile(53/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
Under 1 yr in 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

5 Bon Air Rd

Larkspur, CA 94939-1143

Phone: (415) 448-1400

Approximate (ZIP-level) locationGet directions

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Mailing address