Alan Wong, D.O.
NPI 1437461126 · Emergency Medicine Physician · Fontana, CA
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alan Wong, D.O. is a Emergency Medicine Physician provider in Fontana, CA (NPI 1437461126).
Provider details
- NPI number
- 1437461126
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 20A13772 (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
15 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
484 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) |
|---|---|---|
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 193 | $9 |
| Emergency Department Visit With High Level of Medical Decision Making99285 | 172 | $185 |
| Critical Care, First 30-74 Minutes99291 | 65 | $228 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 27 | $128 |
| X-Ray of Chest, 1 View71045 | 14 | $9 |
| Insertion of Non-Tunneled Central Venous Tube for Infusion (5 Years Or Older)36556 | 13 | $89 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ondansetron Hcl | 39 | 39 |
| Ibuprofen | 32 | 31 |
| Acetaminophen With Codeinebrand: Acetaminophen-Codeine | 30 | 30 |
| Cephalexin | 30 | 30 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 24 | 24 |
| Prednisone | 23 | 23 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 16 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$13 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
Registry dates
- Enumerated
- 2010-07-09
- Last updated
- 2021-11-04
- Certified
- 2021-11-04
Frequently asked questions
- What is Alan Wong's NPI number?
- Alan Wong's National Provider Identifier (NPI) is 1437461126, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alan Wong's specialty?
- Alan Wong is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Alan Wong located?
- Alan Wong's practice location on file with NPPES is 9961 Sierra Ave, Fontana, CA 92335-6720.
- What is Alan Wong's phone number?
- The practice phone number listed in the NPPES registry for Alan Wong is (909) 427-5000.
- Does Alan Wong accept Medicare?
- Alan Wong is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alan Wong's NPI active?
- Yes — Alan Wong's NPI (1437461126) is active in the NPPES registry as of the last update on 2021-11-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.