Ronald Stephens, CRNA
NPI 1013118900 · Certified Registered Nurse Anesthetist · Fontana, CA
Ronald Stephens, CRNA is a Certified Registered Nurse Anesthetist provider in Fontana, CA (NPI 1013118900).
Provider details
- NPI number
- 1013118900
- Entity type
- Individual
- Primary specialty
- Certified Registered Nurse AnesthetistPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CRNA
- Sex
- Male
- Sole proprietor
- No
- License
- NA482 (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
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
- 2007-05-30
- Last updated
- 2008-09-23
Frequently asked questions
- What is Ronald Stephens's NPI number?
- Ronald Stephens's National Provider Identifier (NPI) is 1013118900, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ronald Stephens's specialty?
- Ronald Stephens is listed in the NPPES registry with a primary specialty of Certified Registered Nurse Anesthetist (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Ronald Stephens located?
- Ronald Stephens's practice location on file with NPPES is 9961 Sierra Ave, Fontana, CA 92335-6720.
- What is Ronald Stephens's phone number?
- The practice phone number listed in the NPPES registry for Ronald Stephens is (909) 427-3910.
- Is Ronald Stephens's NPI active?
- Yes — Ronald Stephens's NPI (1013118900) is active in the NPPES registry as of the last update on 2008-09-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.