Barbara Mahoney, RNP
NPI 1578560199 · Adult Health Nurse Practitioner · Fontana, CA
Barbara Mahoney, RNP is a Adult Health Nurse Practitioner provider in Fontana, CA (NPI 1578560199).
Provider details
- NPI number
- 1578560199
- Entity type
- Individual
- Primary specialty
- Adult Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- RNP
- Sex
- Female
- Sole proprietor
- No
- License
- RN255920 (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
20 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
- 2005-06-29
- Last updated
- 2023-03-07
Frequently asked questions
- What is Barbara Mahoney's NPI number?
- Barbara Mahoney's National Provider Identifier (NPI) is 1578560199, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Barbara Mahoney's specialty?
- Barbara Mahoney is listed in the NPPES registry with a primary specialty of Adult Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Barbara Mahoney located?
- Barbara Mahoney's practice location on file with NPPES is 9961 Sierra Ave, Fontana, CA 92335-6720.
- What is Barbara Mahoney's phone number?
- The practice phone number listed in the NPPES registry for Barbara Mahoney is (909) 427-6896.
- Is Barbara Mahoney's NPI active?
- Yes — Barbara Mahoney's NPI (1578560199) is active in the NPPES registry as of the last update on 2023-03-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.