DR. RONALD ERIC DORIA TAMONDONG M.D.
NPI 1518300466
Pediatrics in Fresno, CA
About Dr. Ronald Eric Doria Tamondong M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. RONALD ERIC DORIA TAMONDONG M.D. (NPI 1518300466) is an individual pediatrics provider in Fresno, California, licensed in California (129664) and active in the NPI registry since April 2013. He 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)
Dr. Ronald Eric Doria Tamondong M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Ronald Eric Tamondong reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Fresno, CA 93721
- Reassigned Medicare billing, California enrollment
- 140 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 93721 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 13
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
FRESNO, CA 93721
FRESNO, CA 93721
FRESNO, CA 93721
FRESNO, CA 93721
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 Ronald Eric Tamondong's NPI number?
The NPI number for Ronald Eric Tamondong is 1518300466. It was assigned to this individual provider in the NPPES registry on April 10, 2013.
Where is Ronald Eric Tamondong located?
Ronald Eric Tamondong practices at 2505 E Divisadero St, Fresno, CA 93721. The listed phone number is (559) 457-5500.
What is Ronald Eric Tamondong's specialty?
The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.
Is Ronald Eric Tamondong enrolled in Medicare?
Yes. Ronald Eric Tamondong is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Ronald Eric Tamondong's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ronald Eric Tamondong reassigns Medicare benefits to Clinica Sierra Vista (Fresno, CA). The 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 Ronald Eric Tamondong'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 Ronald Eric Tamondong was last updated on September 19, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years 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.