Cassie Ngo, RN
NPI 1639984818 · Ambulatory Women's Health Care Registered Nurse · Walnut Creek, CA
Cassie Ngo, RN is a Ambulatory Women's Health Care Registered Nurse provider in Walnut Creek, CA (NPI 1639984818).
Provider details
- NPI number
- 1639984818
- Entity type
- Individual
- Primary specialty
- Ambulatory Women's Health Care Registered NurseNursing Service Providers
- Credential
- RN
- Sex
- Female
- Sole proprietor
- No
- License
- 95166153 (CA)
Specialties & taxonomies
Nursing Service 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
- 2025-02-12
- Last updated
- 2025-02-12
- Certified
- 2025-02-12
Frequently asked questions
- What is Cassie Ngo's NPI number?
- Cassie Ngo's National Provider Identifier (NPI) is 1639984818, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Cassie Ngo's specialty?
- Cassie Ngo is listed in the NPPES registry with a primary specialty of Ambulatory Women's Health Care Registered Nurse (Nursing Service Providers).
- Where is Cassie Ngo located?
- Cassie Ngo's practice location on file with NPPES is 1357 Oakland Ct, Walnut Creek, CA 94596-4337.
- What is Cassie Ngo's phone number?
- The practice phone number listed in the NPPES registry for Cassie Ngo is (935) 935-3010.
- Is Cassie Ngo's NPI active?
- Yes — Cassie Ngo's NPI (1639984818) is active in the NPPES registry as of the last update on 2025-02-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.