OLIVER S. KO M.D.
NPI 1780046946
Urology in Litchfield Park, AZ
About Oliver S. Ko M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
OLIVER S. KO M.D. (NPI 1780046946) is an individual urology provider in Litchfield Park, Arizona, licensed in Arizona (68414) and active in the NPI registry since March 2016. He is enrolled in Medicare PECOS and is a graduate of Other (2016).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Oliver S. Ko M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Oliver Ko reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Scottsdale, AZ 85251
- Reassigned Medicare billing, Arizona enrollment
- 143 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.
Areas of Expertise CMS Part B claims 25
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 85340 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LITCHFIELD PARK, AZ 85340
LITCHFIELD PARK, AZ 85340
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 Oliver Ko's NPI number?
The NPI number for Oliver Ko is 1780046946. It was assigned to this individual provider in the NPPES registry on March 25, 2016.
Where is Oliver Ko located?
Oliver Ko practices at 14044 W Camelback Rd Ste 118, Litchfield Park, AZ 85340. The listed phone number is (623) 547-2600.
What is Oliver Ko's specialty?
The primary specialty registered for this NPI is Urology with taxonomy code 208800000X.
Is Oliver Ko enrolled in Medicare?
Yes. Oliver Ko is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Oliver Ko's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Oliver Ko reassigns Medicare benefits to Arizona Digestive Health, PC (Scottsdale, AZ). 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 Oliver Ko's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Oliver Ko accept?
Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Blue Cross Blue Shield of Arizona, Cigna HealthCare of Arizona, Inc and Oscar Health Plan, Inc. and 1 other insurer list Oliver Ko 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 Oliver Ko was last updated on July 5, 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.