What is Xin Guo's NPI number?

Xin Guo's National Provider Identifier (NPI) is 1891679650, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Xin Guo's specialty?

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

Where is Xin Guo located?

Xin Guo's practice location on file with NPPES is 822 Geary St, San Francisco, CA 94109-7228.

What is Xin Guo's phone number?

The practice phone number listed in the NPPES registry for Xin Guo is (628) 216-0303.

Is Xin Guo's NPI active?

Yes — Xin Guo's NPI (1891679650) is active in the NPPES registry as of the last update on 2025-08-04.

IndividualActive

Xin Guo, RN

NPI 1891679650 · Registered Nurse · San Francisco, CA

Xin Guo, RN is a Registered Nurse provider in San Francisco, CA (NPI 1891679650).

Provider details

NPI number: 1891679650
Entity type: Individual
Primary specialty: Registered NurseNursing Service Providers
Credential: RN
Sex: Female
Sole proprietor: Yes
License: RN95415809 (CA)

Specialties & taxonomies

Registered NursePrimary163W00000XLicense RN95415809 (CA)
Nursing Service Providers

Profile Score

Established profile(54/100 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

822 Geary St

San Francisco, CA 94109-7228

Phone: (628) 216-0303

Street-level locationGet directions

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Mailing address