Helena You, MD
NPI 1528697554 · Diagnostic Radiology Physician · Stanford, CA
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Helena You, MD is a Diagnostic Radiology Physician provider in Stanford, CA (NPI 1528697554).
Provider details
- NPI number
- 1528697554
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A199762 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
6 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 8200 Walnut Hill LnDallas, TX 75231-4402Phone: (214) 345-6789
Registry dates
- Enumerated
- 2020-04-02
- Last updated
- 2025-09-09
- Certified
- 2025-09-09
Frequently asked questions
- What is Helena You's NPI number?
- Helena You's National Provider Identifier (NPI) is 1528697554, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Helena You's specialty?
- Helena You is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Helena You located?
- Helena You's practice location on file with NPPES is 300 Pasteur Dr, Stanford, CA 94305-2200.
- What is Helena You's phone number?
- The practice phone number listed in the NPPES registry for Helena You is (650) 723-4000.
- Does Helena You accept Medicare?
- Helena You is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Helena You's NPI active?
- Yes — Helena You's NPI (1528697554) is active in the NPPES registry as of the last update on 2025-09-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.