Marilou Ostrea, MD
NPI 1427347590 · Pediatrics Physician · Turlock, CA
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marilou Ostrea, MD is a Pediatrics Physician provider in Turlock, CA (NPI 1427347590).
Provider details
- NPI number
- 1427347590
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A113702 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
15 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
- 2011-03-29
- Last updated
- 2015-04-13
Frequently asked questions
- What is Marilou Ostrea's NPI number?
- Marilou Ostrea's National Provider Identifier (NPI) is 1427347590, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marilou Ostrea's specialty?
- Marilou Ostrea is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Marilou Ostrea located?
- Marilou Ostrea's practice location on file with NPPES is 3100 West Christoffersen Parkway, Turlock, CA 95382-9547.
- What is Marilou Ostrea's phone number?
- The practice phone number listed in the NPPES registry for Marilou Ostrea is (209) 632-3901.
- Does Marilou Ostrea accept Medicare?
- Marilou Ostrea is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marilou Ostrea's NPI active?
- Yes — Marilou Ostrea's NPI (1427347590) is active in the NPPES registry as of the last update on 2015-04-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.