What is Ruby Guo's NPI number?

Ruby Guo's National Provider Identifier (NPI) is 1528811544, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Ruby Guo's specialty?

Ruby 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 Ruby Guo located?

Ruby Guo's practice location on file with NPPES is 75 Francis St, Boston, MA 02115-6110.

What is Ruby Guo's phone number?

The practice phone number listed in the NPPES registry for Ruby Guo is (617) 732-5500.

Is Ruby Guo's NPI active?

Yes — Ruby Guo's NPI (1528811544) is active in the NPPES registry as of the last update on 2024-06-13.

IndividualActive

Ruby Guo, MD

NPI 1528811544 · Student in an Organized Health Care Education/Training Program · Boston, MA

Ruby Guo, MD is a Student in an Organized Health Care Education/Training Program provider in Boston, MA (NPI 1528811544).

Provider details

NPI number: 1528811544
Entity type: Individual
Primary specialty: Student in an Organized Health Care Education/Training ProgramStudent, Health Care
Credential: MD
Sex: Female
Sole proprietor: No

Specialties & taxonomies

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

Profile Score

Established profile(50/100 index)

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

Registry tenure38% of score
2 yrs in NPPES 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

75 Francis St

Boston, MA 02115-6110

Phone: (617) 732-5500

Street-level locationGet directions

More MA providers

Mailing address

75 Francis St

Boston, MA 02115-6106

Enumerated: 2024-04-09
Last updated: 2024-06-13
Certified: 2024-06-13

Frequently asked questions

What is Ruby Guo's NPI number?: Ruby Guo's National Provider Identifier (NPI) is 1528811544, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Ruby Guo's specialty?: Ruby 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 Ruby Guo located?: Ruby Guo's practice location on file with NPPES is 75 Francis St, Boston, MA 02115-6110.
What is Ruby Guo's phone number?: The practice phone number listed in the NPPES registry for Ruby Guo is (617) 732-5500.
Is Ruby Guo's NPI active?: Yes — Ruby Guo's NPI (1528811544) is active in the NPPES registry as of the last update on 2024-06-13.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.