Catherine Farnam, RN, APRN
NPI 1821303827 · Psychiatric/Mental Health Nurse Practitioner · San Deigo, CA
Enrolled with Medicare as Practitioner - Certified Clinical Nurse Specialist (cns) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Catherine Farnam, RN, APRN is a Psychiatric/Mental Health Nurse Practitioner provider in San Deigo, CA (NPI 1821303827).
Provider details
- NPI number
- 1821303827
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- RN, APRN
- Sex
- Female
- Sole proprietor
- Yes
- License
- 161226 (MA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
15 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
- 2010-08-13
- Last updated
- 2017-03-29
Frequently asked questions
- What is Catherine Farnam's NPI number?
- Catherine Farnam's National Provider Identifier (NPI) is 1821303827, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Catherine Farnam's specialty?
- Catherine Farnam is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Catherine Farnam located?
- Catherine Farnam's practice location on file with NPPES is 4715 Viewridge Avenue Suite 230, San Deigo, CA 92123-4721.
- What is Catherine Farnam's phone number?
- The practice phone number listed in the NPPES registry for Catherine Farnam is (336) 609-1979.
- Does Catherine Farnam accept Medicare?
- Catherine Farnam is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Catherine Farnam's NPI active?
- Yes — Catherine Farnam's NPI (1821303827) is active in the NPPES registry as of the last update on 2017-03-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.