Kumari Jayawardena, MD
NPI 1255388385 · Geriatric Medicine (Internal Medicine) Physician · Fontana, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kumari Jayawardena, MD is a Geriatric Medicine (Internal Medicine) Physician provider in Fontana, CA (NPI 1255388385).
Provider details
- NPI number
- 1255388385
- Entity type
- Individual
- Primary specialty
- Geriatric Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A81717 (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
20 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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Memantine Hcl | 350 | 90 |
| Buspirone Hcl | 226 | 78 |
| Sertraline Hcl | 225 | 76 |
| Trazodone Hcl | 79 | 32 |
| Quetiapine Fumarate | 73 | 22 |
| Mirtazapine | 64 | 28 |
| Donepezil Hcl | 53 | 26 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-26
- Last updated
- 2022-02-10
- Certified
- 2020-06-08
Frequently asked questions
- What is Kumari Jayawardena's NPI number?
- Kumari Jayawardena's National Provider Identifier (NPI) is 1255388385, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kumari Jayawardena's specialty?
- Kumari Jayawardena is listed in the NPPES registry with a primary specialty of Geriatric Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Kumari Jayawardena located?
- Kumari Jayawardena's practice location on file with NPPES is 9961 Sierra Ave, Fontana, CA 92335-6720.
- What is Kumari Jayawardena's phone number?
- The practice phone number listed in the NPPES registry for Kumari Jayawardena is (909) 427-3041.
- Does Kumari Jayawardena accept Medicare?
- Kumari Jayawardena is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kumari Jayawardena's NPI active?
- Yes — Kumari Jayawardena's NPI (1255388385) is active in the NPPES registry as of the last update on 2022-02-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.