IndividualActive
Antonia Sierra Martinez
NPI 1093507543 · Adult Companion · Modesto, CA
Antonia Sierra Martinez is a Adult Companion provider in Modesto, CA (NPI 1093507543).
Provider details
- NPI number
- 1093507543
- Entity type
- Individual
- Primary specialty
- Adult CompanionNursing Service Related Providers
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Nursing Service Related Providers
Profile Score
Basic profile(48/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr in NPPES registry
- Profile completeness38% of score
83% 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
1620 N Carpenter Rd Ste D41
Modesto, CA 95351-1160
Phone: (209) 523-3710
Street-level locationGet directions
Mailing address
1620 N Carpenter Rd Ste D41
Modesto, CA 95351-1160
Registry dates
- Enumerated
- 2025-05-20
- Last updated
- 2025-05-20
- Certified
- 2025-05-20
Frequently asked questions
- What is Antonia Sierra Martinez's NPI number?
- Antonia Sierra Martinez's National Provider Identifier (NPI) is 1093507543, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Antonia Sierra Martinez's specialty?
- Antonia Sierra Martinez is listed in the NPPES registry with a primary specialty of Adult Companion (Nursing Service Related Providers).
- Where is Antonia Sierra Martinez located?
- Antonia Sierra Martinez's practice location on file with NPPES is 1620 N Carpenter Rd Ste D41, Modesto, CA 95351-1160.
- What is Antonia Sierra Martinez's phone number?
- The practice phone number listed in the NPPES registry for Antonia Sierra Martinez is (209) 523-3710.
- Is Antonia Sierra Martinez's NPI active?
- Yes — Antonia Sierra Martinez's NPI (1093507543) is active in the NPPES registry as of the last update on 2025-05-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.