John Wong, MD
NPI 1336436500 · Hematology & Oncology Physician · Orange, CA
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Wong, MD is a Hematology & Oncology Physician provider in Orange, CA (NPI 1336436500).
Provider details
- NPI number
- 1336436500
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 122357 (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
14 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
1,127 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 456 | $138 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 167 | $16 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 124 | $9 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 121 | $8 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 97 | $98 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Apixabanbrand: Eliquis | 68 | 22 |
| Zanubrutinibbrand: Brukinsa | 28 | — |
| Lenalidomidebrand: Revlimid | 24 | — |
| Lenalidomide | 23 | — |
| Enzalutamidebrand: Xtandi | 22 | — |
| Dexamethasone | 22 | — |
| Hydroxyurea | 21 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$5,471 across 200 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
- 2011-07-07
- Last updated
- 2024-04-09
- Certified
- 2024-04-09
Frequently asked questions
- What is John Wong's NPI number?
- John Wong's National Provider Identifier (NPI) is 1336436500, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Wong's specialty?
- John Wong is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is John Wong located?
- John Wong's practice location on file with NPPES is 1010 W La Veta Ave Ste 670, Orange, CA 92868-4306.
- What is John Wong's phone number?
- The practice phone number listed in the NPPES registry for John Wong is (562) 725-4367.
- Does John Wong accept Medicare?
- John Wong is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Wong's NPI active?
- Yes — John Wong's NPI (1336436500) is active in the NPPES registry as of the last update on 2024-04-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.