DR. DAVID CHAO M.D.
NPI 1215120704
Pediatrics - Pediatric Emergency Medicine in San Diego, CA
About Dr. David Chao M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. DAVID CHAO M.D. (NPI 1215120704) is an individual pediatric emergency medicine provider in San Diego, California, licensed in California (A130713) and active in the NPI registry since August 2007. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. David Chao M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show David Chao reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Diego, CA 92108
- Reassigned Medicare billing, California enrollment
- 13,921 clinicians in this Medicare group
Tulsa, OK 74136
- Reassigned Medicare billing, Oklahoma enrollment
- 226 clinicians in this Medicare group
Tulsa, OK 74136
- Reassigned Medicare billing, Oklahoma enrollment
- 263 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.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAN DIEGO, CA 92123
SAN DIEGO, CA 92123
SAN DIEGO, CA 92123
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 David Chao's NPI number?
The NPI number for David Chao is 1215120704. It was assigned to this individual provider in the NPPES registry on August 20, 2007.
Where is David Chao located?
David Chao practices at 3020 Childrens Way, San Diego, CA 92123. The listed phone number is (858) 966-8036.
What is David Chao's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Emergency Medicine, with taxonomy code 2080P0204X.
Is David Chao enrolled in Medicare?
Yes. David Chao is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for David Chao's services?
According to the CMS Revalidation Reassignment List (October 2026 release), David Chao reassigns Medicare benefits to 3 organizations: Southern California Permanente Medical Group (San Diego, CA), Emergency Medicine Physicians Of Tulsa County, LLC (Tulsa, OK) and Ies ER Oklahoma LLC (Tulsa, OK). 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 David Chao's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does David Chao accept?
Health plans from Blue Cross and Blue Shield of Oklahoma list David Chao as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for David Chao was last updated on April 9, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.