Quick answers
- Does Karlton T. Wong accept Medicare assignment?
- Medicare's clinician data says Karlton T. Wong may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
- How many Medicare patients does Karlton T. Wong see?
- In 2024, CMS data shows 520 Original Medicare patients and 30,287 services for Karlton T. Wong. This counts Original Medicare only and measures volume, not quality.
- What is Karlton T. Wong's NPI number?
- 1376962381. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Karlton T. Wong, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 520 |
|---|---|
| Services billed to Medicare | 30,287 |
| Different services or procedures | 34 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Injection, denosumab, 1 mg (J0897)11,520 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)2,131 services
- Blood test, comprehensive group of blood chemicals (80053)1,868 services
- Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (85025)1,835 services
- Insertion of needle into vein for collection of blood sample (36415)1,745 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Arthritis59%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)47%
- Diabetes46%
- Ischemic heart disease41%
Hospitals where Karlton T. Wong works
Medicare's Facility Affiliation Data lists Karlton T. Wong at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Providence Saint Joseph Medical CenterBurbank, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050235
Practice locations
Addresses where Karlton T. Wong is enrolled with Medicare (CMS data updated October 2, 2026).
- 2020 Santa Monica Blvd, Fl 3Santa Monica, CA 90404
Specialties
- Medical Oncologyprimary
- Hematology/Oncologyalso
Other oncologists in Santa Monica
Clinicians with the same Medicare primary specialty in Santa Monica, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2014 (12 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1376962381 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians