Joanna Greenwood, RN, PHN
NPI 1700067857 · Case Management Registered Nurse · Martinez, CA
Joanna Greenwood, RN, PHN is a Case Management Registered Nurse provider in Martinez, CA (NPI 1700067857).
Provider details
- NPI number
- 1700067857
- Entity type
- Individual
- Primary specialty
- Case Management Registered NurseNursing Service Providers
- Credential
- RN, PHN
- Sex
- Female
- Sole proprietor
- No
- License
- RN 325106 (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
18 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
- 2007-11-16
- Last updated
- 2007-11-16
Frequently asked questions
- What is Joanna Greenwood's NPI number?
- Joanna Greenwood's National Provider Identifier (NPI) is 1700067857, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joanna Greenwood's specialty?
- Joanna Greenwood is listed in the NPPES registry with a primary specialty of Case Management Registered Nurse (Nursing Service Providers).
- Where is Joanna Greenwood located?
- Joanna Greenwood's practice location on file with NPPES is 597 Center Ave, Martinez, CA 94553-4640.
- What is Joanna Greenwood's phone number?
- The practice phone number listed in the NPPES registry for Joanna Greenwood is (925) 646-5271.
- Is Joanna Greenwood's NPI active?
- Yes — Joanna Greenwood's NPI (1700067857) is active in the NPPES registry as of the last update on 2007-11-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.