Maria Marissa Liwag, MD
NPI 1467500470 · Pediatrics Physician · Modesto, CA
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Maria Marissa Liwag, MD is a Pediatrics Physician provider in Modesto, CA (NPI 1467500470).
Provider details
- NPI number
- 1467500470
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A89974 (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
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
- 2007-01-08
- Last updated
- 2022-01-10
Frequently asked questions
- What is Maria Marissa Liwag's NPI number?
- Maria Marissa Liwag's National Provider Identifier (NPI) is 1467500470, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maria Marissa Liwag's specialty?
- Maria Marissa Liwag is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Maria Marissa Liwag located?
- Maria Marissa Liwag's practice location on file with NPPES is 4125 Bangs Ave, Modesto, CA 95356-8713.
- What is Maria Marissa Liwag's phone number?
- The practice phone number listed in the NPPES registry for Maria Marissa Liwag is (209) 551-3174.
- Does Maria Marissa Liwag accept Medicare?
- Maria Marissa Liwag is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Maria Marissa Liwag's NPI active?
- Yes — Maria Marissa Liwag's NPI (1467500470) is active in the NPPES registry as of the last update on 2022-01-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.