Mary Grace Abu, MD
NPI 1083963631 · Specialist · Riverside, CA
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Grace Abu, MD is a Specialist provider in Riverside, CA (NPI 1083963631).
Provider details
- NPI number
- 1083963631
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A136578 (CA)
Specialties & taxonomies
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
13 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
- 2012-08-29
- Last updated
- 2021-12-13
- Certified
- 2021-12-13
Frequently asked questions
- What is Mary Grace Abu's NPI number?
- Mary Grace Abu's National Provider Identifier (NPI) is 1083963631, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Grace Abu's specialty?
- Mary Grace Abu is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is Mary Grace Abu located?
- Mary Grace Abu's practice location on file with NPPES is 10800 Magnolia Ave., Riverside, CA 92505.
- What is Mary Grace Abu's phone number?
- The practice phone number listed in the NPPES registry for Mary Grace Abu is (866) 984-7483.
- Does Mary Grace Abu accept Medicare?
- Mary Grace Abu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Grace Abu's NPI active?
- Yes — Mary Grace Abu's NPI (1083963631) is active in the NPPES registry as of the last update on 2021-12-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.