What is Caiyun Xu's NPI number?

Caiyun Xu's National Provider Identifier (NPI) is 1811834773, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Caiyun Xu's specialty?

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

Where is Caiyun Xu located?

Caiyun Xu's practice location on file with NPPES is 190 Miller Ave, Mill Valley, CA 94941-2751.

What is Caiyun Xu's phone number?

The practice phone number listed in the NPPES registry for Caiyun Xu is (213) 563-6027.

Is Caiyun Xu's NPI active?

Yes — Caiyun Xu's NPI (1811834773) is active in the NPPES registry as of the last update on 2026-04-30.

IndividualActive

Caiyun Xu

NPI 1811834773 · Doula · Mill Valley, CA

Caiyun Xu is a Doula provider in Mill Valley, CA (NPI 1811834773).

Provider details

NPI number: 1811834773
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(46/100 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

190 Miller Ave

Mill Valley, CA 94941-2751

Phone: (213) 563-6027

Street-level locationGet directions

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Mailing address