Mary Berg, FNP
NPI 1043331390 · Family Nurse Practitioner · Nevada City, CA
Mary Berg, FNP is a Family Nurse Practitioner provider in Nevada City, CA (NPI 1043331390).
Provider details
- NPI number
- 1043331390
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- No
- License
- NP13784 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing 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
- 2007-04-03
- Last updated
- 2011-12-14
Frequently asked questions
- What is Mary Berg's NPI number?
- Mary Berg's National Provider Identifier (NPI) is 1043331390, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Berg's specialty?
- Mary Berg is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mary Berg located?
- Mary Berg's practice location on file with NPPES is 10653 Douglas Ln, Nevada City, CA 95959-9010.
- What is Mary Berg's phone number?
- The practice phone number listed in the NPPES registry for Mary Berg is (530) 263-8109.
- Is Mary Berg's NPI active?
- Yes — Mary Berg's NPI (1043331390) is active in the NPPES registry as of the last update on 2011-12-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.