What is Alex Guo's NPI number?

Alex Guo's National Provider Identifier (NPI) is 1043043755, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Alex Guo's specialty?

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

Where is Alex Guo located?

Alex Guo's practice location on file with NPPES is 64 Avenue X, Brooklyn, NY 11223-5737.

What is Alex Guo's phone number?

The practice phone number listed in the NPPES registry for Alex Guo is (718) 996-8199.

Is Alex Guo's NPI active?

Yes — Alex Guo's NPI (1043043755) is active in the NPPES registry as of the last update on 2026-05-15.

IndividualActive

Alex Guo, RN

NPI 1043043755 · Registered Nurse · Brooklyn, NY

Alex Guo, RN is a Registered Nurse provider in Brooklyn, NY (NPI 1043043755).

Provider details

NPI number: 1043043755
Entity type: Individual
Primary specialty: Registered NurseNursing Service Providers
Credential: RN
Sex: Male
Sole proprietor: Yes
License: 875785 (NY)

Specialties & taxonomies

Registered NursePrimary163W00000XLicense 875785 (NY)
Nursing Service Providers

Profile Score

Established profile(56/100 index)

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

Registry tenure38% of score
1 yr 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

64 Avenue X

Brooklyn, NY 11223-5737

Phone: (718) 996-8199

Fax: (718) 449-2176

Street-level locationGet directions

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Mailing address