Catherine Hayes, FNP
NPI 1952456410 · Family Nurse Practitioner · Fremont, CA
Catherine Hayes, FNP is a Family Nurse Practitioner provider in Fremont, CA (NPI 1952456410).
Provider details
- NPI number
- 1952456410
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- Yes
- License
- 2290483 (MA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service 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
2 documented practice locations
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
Additional practice locations (1)
- 780 Albany StBoston, MA 02118-2524Phone: (857) 654-1000
Registry dates
- Enumerated
- 2007-01-24
- Last updated
- 2022-07-21
Frequently asked questions
- What is Catherine Hayes's NPI number?
- Catherine Hayes's National Provider Identifier (NPI) is 1952456410, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Catherine Hayes's specialty?
- Catherine Hayes is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Catherine Hayes located?
- Catherine Hayes's practice location on file with NPPES is 43600 Mission Blvd, Fremont, CA 94539-5847.
- What is Catherine Hayes's phone number?
- The practice phone number listed in the NPPES registry for Catherine Hayes is (510) 659-6258.
- Is Catherine Hayes's NPI active?
- Yes — Catherine Hayes's NPI (1952456410) is active in the NPPES registry as of the last update on 2022-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.