Justin Wu, D.O.
NPI 1174824841 · Internal Medicine Physician · La Palma, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Justin Wu, D.O. is a Internal Medicine Physician provider in La Palma, CA (NPI 1174824841).
Provider details
- NPI number
- 1174824841
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 20A11281 (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
270 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 | 161 | $147 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 36 | $17 |
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 34 | $71 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 20 | $190 |
| Dxa Bone Density Measurement of Hip, Pelvis, Spine77080 | 19 | $48 |
Typical Medicare-allowed amounts for these services range $17–$190 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 49 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Methotrexate Sodiumbrand: Methotrexate | 369 | 105 |
| Hydroxychloroquine Sulfate | 360 | 110 |
| Alendronate Sodium | 257 | 72 |
| Famotidine | 207 | 69 |
| Sulfasalazine | 191 | 60 |
| Diclofenac Sodium | 176 | 82 |
| Etanerceptbrand: Enbrel Sureclick | 164 | 20 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,700 across 147 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
- 2010-11-10
- Last updated
- 2017-03-07
Frequently asked questions
- What is Justin Wu's NPI number?
- Justin Wu's National Provider Identifier (NPI) is 1174824841, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Justin Wu's specialty?
- Justin Wu is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Justin Wu located?
- Justin Wu's practice location on file with NPPES is 5451 La Palma Ave Ste 25, La Palma, CA 90623.
- What is Justin Wu's phone number?
- The practice phone number listed in the NPPES registry for Justin Wu is (714) 670-1340.
- Does Justin Wu accept Medicare?
- Justin Wu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Justin Wu's NPI active?
- Yes — Justin Wu's NPI (1174824841) is active in the NPPES registry as of the last update on 2017-03-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.