Preston Farnum, PMHNP
NPI 1811844889 · Psychiatric/Mental Health Nurse Practitioner · Clayton, NM
Preston Farnum, PMHNP is a Psychiatric/Mental Health Nurse Practitioner provider in Clayton, NM (NPI 1811844889).
Provider details
- NPI number
- 1811844889
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PMHNP
- Sex
- Male
- Sole proprietor
- Yes
- License
- 88487 (NM)
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
Under 1 yr in 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
- 2026-03-11
- Last updated
- 2026-03-11
- Certified
- 2026-03-11
Frequently asked questions
- What is Preston Farnum's NPI number?
- Preston Farnum's National Provider Identifier (NPI) is 1811844889, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Preston Farnum's specialty?
- Preston Farnum is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Preston Farnum located?
- Preston Farnum's practice location on file with NPPES is 606 Walnut St, Clayton, NM 88415-2914.
- What is Preston Farnum's phone number?
- The practice phone number listed in the NPPES registry for Preston Farnum is (806) 268-3204.
- Is Preston Farnum's NPI active?
- Yes — Preston Farnum's NPI (1811844889) is active in the NPPES registry as of the last update on 2026-03-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.