L. Nelson, MD
NPI 1407972656 · Emergency Medicine Physician · Norwalk, CA
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
L. Nelson, MD is a Emergency Medicine Physician provider in Norwalk, CA (NPI 1407972656).
Provider details
- NPI number
- 1407972656
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A51132 (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
13,319 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 1,229 | $99 |
| Complete Ultrasound Scan of Joint76881 | 1,068 | $57 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 970 | $139 |
| Complete Ultrasound Study of Arm and Leg Arteries93923 | 886 | $149 |
| Complete Ultrasound of Within the Brain Blood Flow93886 | 676 | $315 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 667 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 121 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 315 | 114 |
| Metformin Hcl | 259 | 90 |
| Amlodipine Besylate | 238 | 81 |
| Omeprazole | 164 | 60 |
| Gabapentin | 147 | 51 |
| Furosemide | 139 | 45 |
| Losartan Potassium | 127 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-03-21
- Last updated
- 2023-11-17
- Certified
- 2023-11-17
Frequently asked questions
- What is L. Nelson's NPI number?
- L. Nelson's National Provider Identifier (NPI) is 1407972656, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is L. Nelson's specialty?
- L. Nelson is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is L. Nelson located?
- L. Nelson's practice location on file with NPPES is 13100 Studebaker Rd, Norwalk, CA 90650-2531.
- What is L. Nelson's phone number?
- The practice phone number listed in the NPPES registry for L. Nelson is (213) 761-7557.
- Does L. Nelson accept Medicare?
- L. Nelson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is L. Nelson's NPI active?
- Yes — L. Nelson's NPI (1407972656) is active in the NPPES registry as of the last update on 2023-11-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.