Willow Oak, Inc.
NPI 1265500656 · Family Nurse Practitioner · Colorado City, AZ
Willow Oak, Inc. is a Family Nurse Practitioner organization in Colorado City, AZ (NPI 1265500656).
Provider details
- NPI number
- 1265500656
- Entity type
- Organization
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Organization subpart
- No
- Authorized official
- Joanne Yarrish, General Manager(928) 875-8750
- License
- RN083151 (AZ)
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
Other names (DBA / former)
- Doing business as
- Centennial Park Clinic
Registry dates
- Enumerated
- 2006-12-01
- Last updated
- 2008-06-13
Frequently asked questions
- What is Willow Oak, Inc.'s NPI number?
- Willow Oak, Inc.'s National Provider Identifier (NPI) is 1265500656, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Willow Oak, Inc.?
- Willow Oak, Inc. is classified in the NPPES registry as Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Willow Oak, Inc. located?
- Willow Oak, Inc.'s practice location on file with NPPES is 1675 S. Berry Knoll Blvd, Colorado City, AZ 86021-1549.
- What is Willow Oak, Inc.'s phone number?
- The practice phone number listed in the NPPES registry for Willow Oak, Inc. is (928) 875-8750.
- Who is the authorized official for Willow Oak, Inc.?
- The authorized official listed on Willow Oak, Inc.'s NPPES record is Joanne Yarrish, General Manager. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Willow Oak, Inc.'s NPI active?
- Yes — Willow Oak, Inc.'s NPI (1265500656) is active in the NPPES registry as of the last update on 2008-06-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.