Allen Nelson
NPI 1548757610 · Student in an Organized Health Care Education/Training Program · Santa Ana, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Allen Nelson is a Student in an Organized Health Care Education/Training Program provider in Santa Ana, CA (NPI 1548757610).
Provider details
- NPI number
- 1548757610
- Entity type
- Individual
- Primary specialty
- Student in an Organized Health Care Education/Training ProgramStudent, Health Care
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 82 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 418 | 191 |
| Amlodipine Besylate | 261 | 100 |
| Lisinopril | 233 | 104 |
| Losartan Potassium | 231 | 92 |
| Levothyroxine Sodium | 200 | 81 |
| Rosuvastatin Calcium | 185 | 86 |
| Metformin Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2018-04-15
- Last updated
- 2021-12-06
Frequently asked questions
- What is Allen Nelson's NPI number?
- Allen Nelson's National Provider Identifier (NPI) is 1548757610, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Allen Nelson's specialty?
- Allen Nelson is listed in the NPPES registry with a primary specialty of Student in an Organized Health Care Education/Training Program (Student, Health Care).
- Where is Allen Nelson located?
- Allen Nelson's practice location on file with NPPES is 1900 E 4th St, Santa Ana, CA 92705-3910.
- What is Allen Nelson's phone number?
- The practice phone number listed in the NPPES registry for Allen Nelson is (714) 967-4755.
- Does Allen Nelson accept Medicare?
- Allen Nelson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Allen Nelson's NPI active?
- Yes — Allen Nelson's NPI (1548757610) is active in the NPPES registry as of the last update on 2021-12-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.