Maryanne O'Halloran, MS, RN, CNS
NPI 1801805882 · Clinical Nurse Specialist · Manteca, CA
Maryanne O'Halloran, MS, RN, CNS is a Clinical Nurse Specialist provider in Manteca, CA (NPI 1801805882).
Provider details
- NPI number
- 1801805882
- Entity type
- Individual
- Primary specialty
- Clinical Nurse SpecialistPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- MS, RN, CNS
- Sex
- Female
- Sole proprietor
- Yes
- License
- 260281 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing 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
- 2006-08-07
- Last updated
- 2017-02-20
Frequently asked questions
- What is Maryanne O'Halloran's NPI number?
- Maryanne O'Halloran's National Provider Identifier (NPI) is 1801805882, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maryanne O'Halloran's specialty?
- Maryanne O'Halloran is listed in the NPPES registry with a primary specialty of Clinical Nurse Specialist (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Maryanne O'Halloran located?
- Maryanne O'Halloran's practice location on file with NPPES is 965 E Yosemite Ave, Manteca, CA 95336-5938.
- What is Maryanne O'Halloran's phone number?
- The practice phone number listed in the NPPES registry for Maryanne O'Halloran is (209) 545-9701.
- Is Maryanne O'Halloran's NPI active?
- Yes — Maryanne O'Halloran's NPI (1801805882) is active in the NPPES registry as of the last update on 2017-02-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.