Karen Alterescu, NP
NPI 1831173376 · Adult Health Nurse Practitioner · Martinez, CA
Karen Alterescu, NP is a Adult Health Nurse Practitioner provider in Martinez, CA (NPI 1831173376).
Provider details
- NPI number
- 1831173376
- Entity type
- Individual
- Primary specialty
- Adult Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- License
- 317881 (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
20 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
- 2005-11-29
- Last updated
- 2007-07-08
Frequently asked questions
- What is Karen Alterescu's NPI number?
- Karen Alterescu's National Provider Identifier (NPI) is 1831173376, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Alterescu's specialty?
- Karen Alterescu is listed in the NPPES registry with a primary specialty of Adult Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Karen Alterescu located?
- Karen Alterescu's practice location on file with NPPES is 150 Muir Rd, Martinez, CA 94553-4668.
- What is Karen Alterescu's phone number?
- The practice phone number listed in the NPPES registry for Karen Alterescu is (925) 370-4725.
- Is Karen Alterescu's NPI active?
- Yes — Karen Alterescu's NPI (1831173376) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.