Helen Pu, MD
NPI 1922539683 · Pediatrics Physician · San Francisco, CA
Enrolled with Medicare as Order and Referring Only - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Helen Pu, MD is a Pediatrics Physician provider in San Francisco, CA (NPI 1922539683).
Provider details
- NPI number
- 1922539683
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A157010 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
9 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
3 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 (2)
- 770 Welch Rd Ste 435Palo Alto, CA 94304-1511Phone: (650) 497-8000
- 725 Welch RdPalo Alto, CA 94304-1601Phone: (650) 497-8000
Registry dates
- Enumerated
- 2017-03-24
- Last updated
- 2026-04-15
- Certified
- 2026-04-15
Frequently asked questions
- What is Helen Pu's NPI number?
- Helen Pu's National Provider Identifier (NPI) is 1922539683, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Helen Pu's specialty?
- Helen Pu is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Helen Pu located?
- Helen Pu's practice location on file with NPPES is 1975 4th St, San Francisco, CA 94143-2351.
- What is Helen Pu's phone number?
- The practice phone number listed in the NPPES registry for Helen Pu is (415) 514-4079.
- Does Helen Pu accept Medicare?
- Helen Pu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Helen Pu's NPI active?
- Yes — Helen Pu's NPI (1922539683) is active in the NPPES registry as of the last update on 2026-04-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.