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Mary Ann Barker, LVN
NPI 1831812346 · Licensed Vocational Nurse · Grass Valley, CA
Mary Ann Barker, LVN is a Licensed Vocational Nurse provider in Grass Valley, CA (NPI 1831812346).
Provider details
- NPI number
- 1831812346
- Entity type
- Individual
- Primary specialty
- Licensed Vocational NurseNursing Service Providers
- Credential
- LVN
- Sex
- Female
- Sole proprietor
- Yes
- License
- VN147889 (CA)
Specialties & taxonomies
Nursing Service Providers
Profile Score
Established profile(60/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
3 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
500 Crown Point Cir
Grass Valley, CA 95945-9561
Phone: (530) 265-1437
Approximate (ZIP-level) locationGet directions
Mailing address
527 Scadden Dr
Grass Valley, CA 95945-7005
Registry dates
- Enumerated
- 2022-09-20
- Last updated
- 2022-09-20
- Certified
- 2022-09-20
Frequently asked questions
- What is Mary Ann Barker's NPI number?
- Mary Ann Barker's National Provider Identifier (NPI) is 1831812346, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Ann Barker's specialty?
- Mary Ann Barker is listed in the NPPES registry with a primary specialty of Licensed Vocational Nurse (Nursing Service Providers).
- Where is Mary Ann Barker located?
- Mary Ann Barker's practice location on file with NPPES is 500 Crown Point Cir, Grass Valley, CA 95945-9561.
- What is Mary Ann Barker's phone number?
- The practice phone number listed in the NPPES registry for Mary Ann Barker is (530) 265-1437.
- Is Mary Ann Barker's NPI active?
- Yes — Mary Ann Barker's NPI (1831812346) is active in the NPPES registry as of the last update on 2022-09-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.