Charles Ryan, MD, PHD
NPI 1477354363 · Student in an Organized Health Care Education/Training Program · Stanford, CA
Charles Ryan, MD, PHD is a Student in an Organized Health Care Education/Training Program provider in Stanford, CA (NPI 1477354363).
Provider details
- NPI number
- 1477354363
- Entity type
- Individual
- Primary specialty
- Student in an Organized Health Care Education/Training ProgramStudent, Health Care
- Credential
- MD, PHD
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Student, Health Care
Profile Score
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
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
Mailing address
Registry dates
- Enumerated
- 2025-03-24
- Last updated
- 2025-03-26
- Certified
- 2025-03-26
Frequently asked questions
- What is Charles Ryan's NPI number?
- Charles Ryan's National Provider Identifier (NPI) is 1477354363, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Charles Ryan's specialty?
- Charles Ryan 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 Charles Ryan located?
- Charles Ryan's practice location on file with NPPES is 300 Pasteur Dr # H3591, Stanford, CA 94305-2200.
- What is Charles Ryan's phone number?
- The practice phone number listed in the NPPES registry for Charles Ryan is (408) 334-3006.
- Is Charles Ryan's NPI active?
- Yes — Charles Ryan's NPI (1477354363) is active in the NPPES registry as of the last update on 2025-03-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.