Marguerite Mackenzie, R.N.
NPI 1306065362 · Maternal Newborn Registered Nurse · San Leandro, CA
Marguerite Mackenzie, R.N. is a Maternal Newborn Registered Nurse provider in San Leandro, CA (NPI 1306065362).
Provider details
- NPI number
- 1306065362
- Entity type
- Individual
- Primary specialty
- Maternal Newborn Registered NurseNursing Service Providers
- Credential
- R.N.
- Sex
- Female
- Sole proprietor
- No
- License
- RN277265 (CA)
Specialties & taxonomies
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
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
Registry dates
- Enumerated
- 2007-04-25
- Last updated
- 2008-12-05
Frequently asked questions
- What is Marguerite Mackenzie's NPI number?
- Marguerite Mackenzie's National Provider Identifier (NPI) is 1306065362, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marguerite Mackenzie's specialty?
- Marguerite Mackenzie is listed in the NPPES registry with a primary specialty of Maternal Newborn Registered Nurse (Nursing Service Providers).
- Where is Marguerite Mackenzie located?
- Marguerite Mackenzie's practice location on file with NPPES is 1000 San Leandro Blvd, San Leandro, CA 94577-1598.
- What is Marguerite Mackenzie's phone number?
- The practice phone number listed in the NPPES registry for Marguerite Mackenzie is (510) 667-3138.
- Is Marguerite Mackenzie's NPI active?
- Yes — Marguerite Mackenzie's NPI (1306065362) is active in the NPPES registry as of the last update on 2008-12-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.