What is Mark Guo's NPI number?

Mark Guo's National Provider Identifier (NPI) is 1629949466, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Mark Guo's specialty?

Mark Guo is listed in the NPPES registry with a primary specialty of Student in an Organized Health Care Education/Training Program (Student, Health Care).

Where is Mark Guo located?

Mark Guo's practice location on file with NPPES is 1038 Post St, San Francisco, CA 94109-5603.

What is Mark Guo's phone number?

The practice phone number listed in the NPPES registry for Mark Guo is (415) 775-2636.

Is Mark Guo's NPI active?

Yes — Mark Guo's NPI (1629949466) is active in the NPPES registry as of the last update on 2025-09-15.

IndividualActive

Mark Guo

NPI 1629949466 · Student in an Organized Health Care Education/Training Program · San Francisco, CA

Mark Guo is a Student in an Organized Health Care Education/Training Program provider in San Francisco, CA (NPI 1629949466).

Provider details

NPI number: 1629949466
Entity type: Individual
Primary specialty: Student in an Organized Health Care Education/Training ProgramStudent, Health Care
Sex: Male
Sole proprietor: No

Specialties & taxonomies

Student in an Organized Health Care Education/Training ProgramPrimary390200000X
Student, Health Care

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

1038 Post St

San Francisco, CA 94109-5603

Phone: (415) 775-2636

Street-level locationGet directions

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Mailing address