Juliet Fong, PA-C
NPI 1639968670 · Physician Assistant · Castro Valley, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Juliet Fong, PA-C is a Physician Assistant provider in Castro Valley, CA (NPI 1639968670).
Provider details
- NPI number
- 1639968670
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- No
- License
- 66911 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
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
100% 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
- 2025-05-05
- Last updated
- 2025-12-15
- Certified
- 2025-12-15
Frequently asked questions
- What is Juliet Fong's NPI number?
- Juliet Fong's National Provider Identifier (NPI) is 1639968670, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Juliet Fong's specialty?
- Juliet Fong is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Juliet Fong located?
- Juliet Fong's practice location on file with NPPES is 20055 Lake Chabot Rd Ste 130, Castro Valley, CA 94546-5332.
- What is Juliet Fong's phone number?
- The practice phone number listed in the NPPES registry for Juliet Fong is (833) 444-7622.
- Does Juliet Fong accept Medicare?
- Juliet Fong is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Juliet Fong's NPI active?
- Yes — Juliet Fong's NPI (1639968670) is active in the NPPES registry as of the last update on 2025-12-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.