Ka-Wah Tung, MD
NPI 1043448194 · Diagnostic Radiology Physician · Stanford, CA
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ka-Wah Tung, MD is a Diagnostic Radiology Physician provider in Stanford, CA (NPI 1043448194).
Provider details
- NPI number
- 1043448194
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A130862 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
16 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
136 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Ct Scan Head Or Brain Without Contrast70450 | 39 | $44 |
| X-Ray of Chest, 1 View71045 | 31 | $9 |
| Screening Mammography77067 | 23 | $40 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 16 | $94 |
| Complete Ultrasound Scan of Abdomen76700 | 14 | $42 |
| X-Ray of Chest, 2 Views71046 | 13 | $12 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$129 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 1661 Soquel DrSanta Cruz, CA 95065-1709Phone: (718) 683-0390
Registry dates
- Enumerated
- 2009-06-29
- Last updated
- 2025-02-07
- Certified
- 2025-02-07
Frequently asked questions
- What is Ka-Wah Tung's NPI number?
- Ka-Wah Tung's National Provider Identifier (NPI) is 1043448194, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ka-Wah Tung's specialty?
- Ka-Wah Tung is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Ka-Wah Tung located?
- Ka-Wah Tung's practice location on file with NPPES is 300 Pasteur Dr, Stanford, CA 94305-2200.
- What is Ka-Wah Tung's phone number?
- The practice phone number listed in the NPPES registry for Ka-Wah Tung is (650) 723-4000.
- Does Ka-Wah Tung accept Medicare?
- Ka-Wah Tung is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ka-Wah Tung's NPI active?
- Yes — Ka-Wah Tung's NPI (1043448194) is active in the NPPES registry as of the last update on 2025-02-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.