Carolyn Holladay, RN, PHN
NPI 1598100547 · Case Management Registered Nurse · Lakeport, CA
Carolyn Holladay, RN, PHN is a Case Management Registered Nurse provider in Lakeport, CA (NPI 1598100547).
Provider details
- NPI number
- 1598100547
- Entity type
- Individual
- Primary specialty
- Case Management Registered NurseNursing Service Providers
- Credential
- RN, PHN
- Sex
- Female
- Sole proprietor
- Yes
- License
- 813392 (CA)
Specialties & taxonomies
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
13 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
- 2013-05-03
- Last updated
- 2013-05-03
Frequently asked questions
- What is Carolyn Holladay's NPI number?
- Carolyn Holladay's National Provider Identifier (NPI) is 1598100547, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Carolyn Holladay's specialty?
- Carolyn Holladay is listed in the NPPES registry with a primary specialty of Case Management Registered Nurse (Nursing Service Providers).
- Where is Carolyn Holladay located?
- Carolyn Holladay's practice location on file with NPPES is 922 Bevins Ct, Lakeport, CA 95453-9754.
- What is Carolyn Holladay's phone number?
- The practice phone number listed in the NPPES registry for Carolyn Holladay is (707) 263-1090.
- Is Carolyn Holladay's NPI active?
- Yes — Carolyn Holladay's NPI (1598100547) is active in the NPPES registry as of the last update on 2013-05-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.