Keith Kwok, M.D.
NPI 1104807569 · Diagnostic Radiology Physician · Tracy, CA
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Keith Kwok, M.D. is a Diagnostic Radiology Physician provider in Tracy, CA (NPI 1104807569).
Provider details
- NPI number
- 1104807569
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A96381 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
5,050 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) |
|---|---|---|
| X-Ray of Chest, 1 View71045 | 1,395 | $9 |
| Ct Scan Head Or Brain Without Contrast70450 | 446 | $44 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 205 | $95 |
| X-Ray of Chest, 2 Views71046 | 183 | $11 |
| Ct Scan of Abdomen and Pelvis Without Contrast74176 | 163 | $90 |
| X-Ray of Abdomen, 1 View74018 | 140 | $10 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$495 across 4 records (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
Registry dates
- Enumerated
- 2005-11-10
- Last updated
- 2013-10-01
Frequently asked questions
- What is Keith Kwok's NPI number?
- Keith Kwok's National Provider Identifier (NPI) is 1104807569, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Keith Kwok's specialty?
- Keith Kwok is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Keith Kwok located?
- Keith Kwok's practice location on file with NPPES is 1530 North Bessie Avenue, Tracy, CA 95376.
- What is Keith Kwok's phone number?
- The practice phone number listed in the NPPES registry for Keith Kwok is (209) 833-2393.
- Does Keith Kwok accept Medicare?
- Keith Kwok is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Keith Kwok's NPI active?
- Yes — Keith Kwok's NPI (1104807569) is active in the NPPES registry as of the last update on 2013-10-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.