What is Katharina Twyman's NPI number?

Katharina Twyman's National Provider Identifier (NPI) is 1629959325, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Katharina Twyman's specialty?

Katharina Twyman is listed in the NPPES registry with a primary specialty of Doula (Nursing Service Related Providers).

Where is Katharina Twyman located?

Katharina Twyman's practice location on file with NPPES is 4095 Folsom St, San Francisco, CA 94110-6117.

What is Katharina Twyman's phone number?

The practice phone number listed in the NPPES registry for Katharina Twyman is (415) 368-4503.

Is Katharina Twyman's NPI active?

Yes — Katharina Twyman's NPI (1629959325) is active in the NPPES registry as of the last update on 2025-09-09.

IndividualActive

Katharina Twyman

NPI 1629959325 · Doula · San Francisco, CA

Katharina Twyman is a Doula provider in San Francisco, CA (NPI 1629959325).

Provider details

NPI number: 1629959325
Entity type: Individual
Primary specialty: DoulaNursing Service Related Providers
Sex: Female
Sole proprietor: Yes

Specialties & taxonomies

DoulaPrimary374J00000X
Nursing Service Related Providers

Profile Score

Basic profile(47/100 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
83% 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

4095 Folsom St

San Francisco, CA 94110-6117

Phone: (415) 368-4503

Street-level locationGet directions

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Mailing address