KA-WAH TUNG MD
NPI 1043448194
Radiology - Diagnostic Radiology in Stanford, CA
About Ka-wah Tung Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KA-WAH TUNG MD (NPI 1043448194) is an individual diagnostic radiology provider in Stanford, California, licensed in California (A130862) and active in the NPI registry since June 2009. He is enrolled in Medicare PECOS, maintains a secondary practice location in Santa Cruz, and is a graduate of Other (2009).
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
Ka-wah Tung Md 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
10Medicare enrollment records show Ka-wah Tung reassigns Medicare billing to 10 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Stanford, CA 94305
- Reassigned Medicare billing, California enrollment
- 4,258 clinicians in this Medicare group
Palo Alto, CA 94306
- Reassigned Medicare billing, California enrollment
- 2,460 clinicians in this Medicare group
Redwood City, CA 94063
- Reassigned Medicare billing, California enrollment
- 20,078 clinicians in this Medicare group
Redwood City, CA 94063
- Reassigned Medicare billing, California enrollment
- 88 clinicians in this Medicare group
San Jose, CA 95124
- Reassigned Medicare billing, California enrollment
- 181 clinicians in this Medicare group
Daly City, CA 94015
- Reassigned Medicare billing, California enrollment
- 10 clinicians in this Medicare group
Oakland, CA 94609
- Reassigned Medicare billing, California enrollment
- 158 clinicians in this Medicare group
Walnut Creek, CA 94598
- Reassigned Medicare billing, California enrollment
- 810 clinicians in this Medicare group
Walnut Creek, CA 94598
- Reassigned Medicare billing, California enrollment
- 129 clinicians in this Medicare group
Salinas, CA 93906
- Reassigned Medicare billing, California enrollment
- 31 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 6
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 94305 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
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.
STANFORD, CA 94305
STANFORD, CA 94305
STANFORD, CA 94305
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 Ka-wah Tung's NPI number?
The NPI number for Ka-wah Tung is 1043448194. It was assigned to this individual provider in the NPPES registry on June 29, 2009.
Where is Ka-wah Tung located?
Ka-wah Tung practices at 300 Pasteur Dr, Stanford, CA 94305. The listed phone number is (650) 723-4000.
What is Ka-wah Tung's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Ka-wah Tung enrolled in Medicare?
Yes. Ka-wah Tung 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 Ka-wah Tung's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ka-wah Tung reassigns Medicare benefits to 10 organizations: Stanford Health Care (Stanford, CA), County Of Santa Clara (Palo Alto, CA), Permanente Medical Group Inc (Redwood City, CA), Solano Diagnostics Partners, A Calif Limited Partnership (Redwood City, CA), Bay Imaging Consultants Medical Group Inc (San Jose, CA) and 5 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 Ka-wah Tung's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ka-wah Tung accept?
Health plans from Blue Cross Blue Shield of Wyoming and Blue Cross and Blue Shield of Texas list Ka-wah Tung 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 Ka-wah Tung was last updated on February 7, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 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.
# Ka-Wah Tung, MD · NPI 1043448194
Diagnostic Radiology physician in Stanford, California. Individual provider, active in the CMS NPPES registry since June 29, 2009.
## Identity
- **NPI:** 1043448194 (Entity type: Individual)
- **Enumerated:** June 29, 2009
- **Primary specialty:** Radiology - Diagnostic Radiology · taxonomy 2085R0202X
- **State license:** A130862 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 300 PASTEUR DR, Stanford, CA 94305-2200
- **Phone:** (650) 723-4000
## 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:** 10 organizations under Medicare reassignment (form CMS-855R): Stanford Health Care (NPI 1437292927, Stanford, CA); County Of Santa Clara (NPI 1144330614, Palo Alto, CA); Permanente Medical Group Inc (NPI 1639252604, Redwood City, CA); Solano Diagnostics Partners, A Calif Limited Partnership (NPI 1508347212, Redwood City, CA); Bay Imaging Consultants Medical Group Inc (NPI 1205559713, San Jose, CA); and 5 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2009
## Record status
- **NPPES last updated:** February 7, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1043448194) · Data from the CMS NPPES public registry.