James Hwang, M.D.
NPI 1306932330 · Emergency Medicine Physician · La Jolla, CA
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James Hwang, M.D. is a Emergency Medicine Physician provider in La Jolla, CA (NPI 1306932330).
Provider details
- NPI number
- 1306932330
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A85681 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
2,424 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 | 601 | $8 |
| Emergency Department Visit With High Level of Medical Decision Making99285 | 553 | $172 |
| Ultrasound of Heart, Follow-Up93308 | 321 | $25 |
| Ultrasound Scan of Chest76604 | 290 | $27 |
| Critical Care, First 30-74 Minutes99291 | 289 | $213 |
| Electrocardiogram (ecg) 1 to 3 Leads With Review By Physician Only93042 | 170 | $7 |
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 | 84 | 84 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 32 | 31 |
| Cefuroxime Axetilbrand: Cefuroxime | 29 | 29 |
| Doxycycline Hyclate | 24 | 24 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 23 | 21 |
| Cephalexin | 21 | 21 |
| Hydrocodone/Acetaminophen |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-05
- Last updated
- 2013-05-16
Frequently asked questions
- What is James Hwang's NPI number?
- James Hwang's National Provider Identifier (NPI) is 1306932330, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Hwang's specialty?
- James Hwang is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is James Hwang located?
- James Hwang's practice location on file with NPPES is 9888 Genesee Ave # Lj-105, La Jolla, CA 92037-1205.
- What is James Hwang's phone number?
- The practice phone number listed in the NPPES registry for James Hwang is (858) 626-6902.
- Does James Hwang accept Medicare?
- James Hwang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is James Hwang's NPI active?
- Yes — James Hwang's NPI (1306932330) is active in the NPPES registry as of the last update on 2013-05-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.