Sandra Mathur, DO
NPI 1841250974 · Pediatrics Physician · Diamond Bar, CA
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sandra Mathur, DO is a Pediatrics Physician provider in Diamond Bar, CA (NPI 1841250974).
Provider details
- NPI number
- 1841250974
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Female
- Sole proprietor
- No
- License
- 20A6905 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
20 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
2 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$146 across 7 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 15881 Pomona Rincon Rd Bldg 4Chino Hills, CA 91709-3162Phone: (909) 929-2511Fax: (909) 304-2400
Registry dates
- Enumerated
- 2006-03-24
- Last updated
- 2022-02-08
- Certified
- 2022-02-08
Frequently asked questions
- What is Sandra Mathur's NPI number?
- Sandra Mathur's National Provider Identifier (NPI) is 1841250974, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sandra Mathur's specialty?
- Sandra Mathur is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Sandra Mathur located?
- Sandra Mathur's practice location on file with NPPES is 1514 Valley Vista Dr, Diamond Bar, CA 91765-3929.
- What is Sandra Mathur's phone number?
- The practice phone number listed in the NPPES registry for Sandra Mathur is (909) 860-1144.
- Does Sandra Mathur accept Medicare?
- Sandra Mathur is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sandra Mathur's NPI active?
- Yes — Sandra Mathur's NPI (1841250974) is active in the NPPES registry as of the last update on 2022-02-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.