MISS MYTHILLA KARUNARATNE FNP-BC
NPI 1285765313
Nurse Practitioner - Family in Walnut Creek, CA
About Miss Mythilla Karunaratne Fnp-bc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MISS MYTHILLA KARUNARATNE FNP-BC (NPI 1285765313) is an individual family provider in Walnut Creek, California, licensed in California (14073) and active in the NPI registry since March 2007. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Miss Mythilla Karunaratne Fnp-bc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
6Medicare enrollment records show Mythilla Karunaratne reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Walnut Creek, CA 94598
- Reassigned Medicare billing, California enrollment
- 347 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 2,112 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 5,645 clinicians in this Medicare group
San Francisco, CA 94122
- Reassigned Medicare billing, California enrollment
- 5,544 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 761 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 1,159 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94598 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Mythilla Karunaratne's NPI number?
The NPI number for Mythilla Karunaratne is 1285765313. It was assigned to this individual provider in the NPPES registry on March 8, 2007.
Where is Mythilla Karunaratne located?
Mythilla Karunaratne practices at 2161 Ygnacio Valley Rd Ste 100, Walnut Creek, CA 94598. The listed phone number is (925) 378-5871.
What is Mythilla Karunaratne's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Mythilla Karunaratne enrolled in Medicare?
Yes. Mythilla Karunaratne is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Mythilla Karunaratne's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mythilla Karunaratne reassigns Medicare benefits to 6 organizations: Bass Medical Group (Walnut Creek, CA), Regents Of The University Of California (San Francisco, CA), University Of California San Francisco (San Francisco, CA), Ucsf Medical Group Business Services (San Francisco, CA), Ucsf Dept Of Surgery (San Francisco, CA) and 1 more organization, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Mythilla Karunaratne's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Mythilla Karunaratne was last updated on February 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Miss Mythilla Karunaratne, FNP-BC · NPI 1285765313
Family physician in Walnut Creek, California. Individual provider, active in the CMS NPPES registry since March 8, 2007.
## Identity
- **NPI:** 1285765313 (Entity type: Individual)
- **Enumerated:** March 8, 2007
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 14073 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 2161 YGNACIO VALLEY RD STE 100, Walnut Creek, CA 94598-3348
- **Phone:** (925) 378-5871
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 6 organizations under Medicare reassignment (form CMS-855R): Bass Medical Group (NPI 1043616600, Walnut Creek, CA); Regents Of The University Of California (NPI 1235322348, San Francisco, CA); University Of California San Francisco (NPI 1346329380, San Francisco, CA); Ucsf Medical Group Business Services (NPI 1477624104, San Francisco, CA); Ucsf Dept Of Surgery (NPI 1477627537, San Francisco, CA); and 1 more · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** February 11, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1285765313) · Data from the CMS NPPES public registry.