DR. ANDREW PIN-WEI KO MD
NPI 1689744328
Pediatrics in Fountain Valley, CA
About Dr. Andrew Pin-wei Ko Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ANDREW PIN-WEI KO MD (NPI 1689744328) is an individual pediatrics provider in Fountain Valley, California, licensed in California (A76901) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Andrew Pin-wei Ko Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Andrew Ko reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Santa Ana, CA 92701
- Reassigned Medicare billing, California enrollment
- 37 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 92708 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 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Andrew Ko's NPI number?
The NPI number for Andrew Ko is 1689744328. It was assigned to this individual provider in the NPPES registry on November 9, 2006.
Where is Andrew Ko located?
Andrew Ko practices at 11100 Warner Ave Ste 262, Fountain Valley, CA 92708. The listed phone number is (714) 979-7788.
What is Andrew Ko's specialty?
The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.
Is Andrew Ko enrolled in Medicare?
Yes. Andrew Ko is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Andrew Ko's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Andrew Ko reassigns Medicare benefits to New Foundation Medical Inc. (Santa Ana, 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 Andrew Ko'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 Andrew Ko was last updated on April 2, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# Dr. Andrew Pin-Wei Ko, MD · NPI 1689744328
Pediatrics physician in Fountain Valley, California. Individual provider, active in the CMS NPPES registry since November 9, 2006.
## Identity
- **NPI:** 1689744328 (Entity type: Individual)
- **Enumerated:** November 9, 2006
- **Primary specialty:** Pediatrics · taxonomy 208000000X
- **State license:** A76901 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 11100 WARNER AVE STE 262, Fountain Valley, CA 92708-7512
- **Phone:** (714) 979-7788 · **Fax:** (714) 979-7799
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for durable medical equipment, power mobility devices
- **Bills Medicare through:** New Foundation Medical Inc. (NPI 1689023582, Santa Ana, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** April 2, 2012
- **Other identifiers:** Medicaid A76901 (CA)
---
Source: [NPI Profile](https://npiprofile.com/npi/1689744328) · Data from the CMS NPPES public registry.