Ralph Nicassio, D.D.S.
NPI 1386794733 · Dentist · Norwalk, CA
Enrolled with Medicare as Practitioner - Dentist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ralph Nicassio, D.D.S. is a Dentist provider in Norwalk, CA (NPI 1386794733).
Provider details
- NPI number
- 1386794733
- Entity type
- Individual
- Primary specialty
- DentistDental Providers
- Credential
- D.D.S.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 33642 (CA)
Specialties & taxonomies
Dental Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs 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
- 2007-01-10
- Last updated
- 2007-07-08
Frequently asked questions
- What is Ralph Nicassio's NPI number?
- Ralph Nicassio's National Provider Identifier (NPI) is 1386794733, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ralph Nicassio's specialty?
- Ralph Nicassio is listed in the NPPES registry with a primary specialty of Dentist (Dental Providers).
- Where is Ralph Nicassio located?
- Ralph Nicassio's practice location on file with NPPES is 11936 Imperial Hwy, Norwalk, CA 90650-3000.
- What is Ralph Nicassio's phone number?
- The practice phone number listed in the NPPES registry for Ralph Nicassio is (562) 868-7768.
- Does Ralph Nicassio accept Medicare?
- Ralph Nicassio is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ralph Nicassio's NPI active?
- Yes — Ralph Nicassio's NPI (1386794733) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.