Efren Wu, MD
NPI 1740432764 · Family Medicine Physician · El Dorado Hills, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Efren Wu, MD is a Family Medicine Physician provider in El Dorado Hills, CA (NPI 1740432764).
Provider details
- NPI number
- 1740432764
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A121278 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
17 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
681 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) |
|---|---|---|
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 173 | $17 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 145 | $135 |
| Aspiration And/Or Injection of Fluid Large Joint Using Ultrasound Guidance20611 | 109 | $115 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 96 | $175 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 69 | $96 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 25 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 48 | 28 |
| Lisinopril | 45 | 22 |
| Levothyroxine Sodium | 34 | 20 |
| Amlodipine Besylate | 33 | 17 |
| Apixabanbrand: Eliquis | 32 | — |
| Rosuvastatin Calcium | 30 | 11 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$17 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
- 2008-10-22
- Last updated
- 2024-02-26
- Certified
- 2024-02-26
Frequently asked questions
- What is Efren Wu's NPI number?
- Efren Wu's National Provider Identifier (NPI) is 1740432764, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Efren Wu's specialty?
- Efren Wu is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Efren Wu located?
- Efren Wu's practice location on file with NPPES is 1264 Hawks Flight Ct Ste 100, El Dorado Hills, CA 95762-9354.
- What is Efren Wu's phone number?
- The practice phone number listed in the NPPES registry for Efren Wu is (916) 939-8400.
- Does Efren Wu accept Medicare?
- Efren Wu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Efren Wu's NPI active?
- Yes — Efren Wu's NPI (1740432764) is active in the NPPES registry as of the last update on 2024-02-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.