DR. AMY WAN-JU KAO M.D.
NPI 1891968384
Radiology - Diagnostic Radiology in San Bruno, CA
About Dr. Amy Wan-ju Kao M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. AMY WAN-JU KAO M.D. (NPI 1891968384) is an individual diagnostic radiology provider in San Bruno, California, licensed in California (A112376) and active in the NPI registry since April 2008. She is enrolled in Medicare PECOS, is affiliated with Great Plains Regional Medical Center, and maintains a secondary practice location in Fort Myers.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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
Dr. Amy Wan-ju Kao 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 Reassignments
14Medicare enrollment records show Amy Kao reassigns Medicare billing to 14 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Clinton, OK 73601
- Reassigned Medicare billing, Texas enrollment
- 156 clinicians in this Medicare group
Watonga, OK 73772
- Reassigned Medicare billing, Texas enrollment
- 96 clinicians in this Medicare group
Anadarko, OK 73005
- Reassigned Medicare billing, Texas enrollment
- 177 clinicians in this Medicare group
Lawton, OK 73507
- Reassigned Medicare billing, Texas enrollment
- 347 clinicians in this Medicare group
El Reno, OK 73036
- Reassigned Medicare billing, Texas enrollment
- 153 clinicians in this Medicare group
Pawnee, OK 74058
- Reassigned Medicare billing, Texas enrollment
- 143 clinicians in this Medicare group
Wewoka, OK 74884
- Reassigned Medicare billing, Texas enrollment
- 129 clinicians in this Medicare group
Okemah, OK 74859
- Reassigned Medicare billing, Texas enrollment
- 655 clinicians in this Medicare group
Ochelata, OK 74051
- Reassigned Medicare billing, Texas enrollment
- 1,047 clinicians in this Medicare group
Tulsa, OK 74127
- Reassigned Medicare billing, California enrollment
- 8 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.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Great Plains Regional Medical Center
Acute Care Hospitals · Elk City, OKSaint Francis Hospital Muskogee
Acute Care Hospitals · Muskogee, OKNortheastern Health System
Acute Care Hospitals · Tahlequah, OKSsm Health St Anthony Hospital - Shawnee
Acute Care Hospitals · Shawnee, OKCherokee Nation W W Hastings Indian Hospital
Acute Care Hospitals · Tahlequah, OKPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94066 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 Amy Kao's NPI number?
The NPI number for Amy Kao is 1891968384. It was assigned to this individual provider in the NPPES registry on April 7, 2008.
Where is Amy Kao located?
Amy Kao practices at 1001 Sneath Ln Ste 310, San Bruno, CA 94066. The listed phone number is (650) 615-6051.
What is Amy Kao's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Amy Kao enrolled in Medicare?
Yes. Amy Kao 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 organizations bill Medicare for Amy Kao's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Amy Kao reassigns Medicare benefits to 14 organizations: Clinton Indian Health Center (Clinton, OK), Watonga Indian Health Center (Watonga, OK), Anadarko Indian Health Center (Anadarko, OK), Lawton Indian Hospital (Lawton, OK), El Reno Indian Health Center (El Reno, OK) and 9 more organizations, 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 Amy Kao's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Amy Kao accept?
Health plans from Blue Cross Blue Shield of Wyoming, Blue Cross and Blue Shield of Oklahoma, Blue Cross and Blue Shield of Texas, Cigna Healthcare and CommunityCare and 1 other insurer list Amy Kao 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.
Is Amy Kao affiliated with any hospitals?
According to CMS data, Amy Kao is affiliated with Great Plains Regional Medical Center, Saint Francis Hospital Muskogee, Northeastern Health System, Ssm Health St Anthony Hospital - Shawnee and Cherokee Nation W W Hastings Indian Hospital.
When was this NPI record last updated?
The NPPES record for Amy Kao was last updated on October 14, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.
# Dr. Amy Wan-Ju Kao, M.D. · NPI 1891968384
Diagnostic Radiology physician in San Bruno, California. Individual provider, active in the CMS NPPES registry since April 7, 2008.
## Identity
- **NPI:** 1891968384 (Entity type: Individual)
- **Enumerated:** April 7, 2008
- **Primary specialty:** Radiology - Diagnostic Radiology · taxonomy 2085R0202X
- **State license:** A112376 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1001 SNEATH LN STE 310, San Bruno, CA 94066-2349
- **Phone:** (650) 615-6051 · **Fax:** (650) 615-6066
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 14 organizations under Medicare reassignment (form CMS-855R): Clinton Indian Health Center (NPI 1205923448, Clinton, OK); Watonga Indian Health Center (NPI 1558458794, Watonga, OK); Anadarko Indian Health Center (NPI 1881637403, Anadarko, OK); Lawton Indian Hospital (NPI 1760489223, Lawton, OK); El Reno Indian Health Center (NPI 1386725604, El Reno, OK); and 9 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Ohio State University College Of Medicine, class of 2005
## Record status
- **NPPES last updated:** October 14, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1891968384) · Data from the CMS NPPES public registry.