John Chu, MD
NPI 1760432827 · Emergency Medicine Physician · Laguna Niguel, CA
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Chu, MD is a Emergency Medicine Physician provider in Laguna Niguel, CA (NPI 1760432827).
Provider details
- NPI number
- 1760432827
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- A065326 (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
20 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
835 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) |
|---|---|---|
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 294 | $15 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 202 | $131 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 86 | $93 |
| Automated Urinalysis Test81003 | 52 | $2 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 50 | $170 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 187 | 182 |
| Azithromycin | 126 | 122 |
| Cephalexin | 115 | 108 |
| Ibuprofen | 95 | 93 |
| Doxycycline Hyclate | 40 | 40 |
| Nirmatrelvir/Ritonavirbrand: Paxlovid | 35 | 35 |
| Amoxicillin | 26 | 26 |
| Albuterol Sulfate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-11
- Last updated
- 2008-05-14
Frequently asked questions
- What is John Chu's NPI number?
- John Chu's National Provider Identifier (NPI) is 1760432827, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Chu's specialty?
- John Chu is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Chu located?
- John Chu's practice location on file with NPPES is 5 Saint Isabella, Laguna Niguel, CA 92677-5192.
- What is John Chu's phone number?
- The practice phone number listed in the NPPES registry for John Chu is (949) 249-9205.
- Does John Chu accept Medicare?
- John Chu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Chu's NPI active?
- Yes — John Chu's NPI (1760432827) is active in the NPPES registry as of the last update on 2008-05-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.