Alexandra Larsen, MD, MSC
NPI 1437853173 · Student in an Organized Health Care Education/Training Program · Philadelphia, PA
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alexandra Larsen, MD, MSC is a Student in an Organized Health Care Education/Training Program provider in Philadelphia, PA (NPI 1437853173).
Provider details
- NPI number
- 1437853173
- Entity type
- Individual
- Primary specialty
- Student in an Organized Health Care Education/Training ProgramStudent, Health Care
- Credential
- MD, MSC
- Sex
- Female
- 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
3 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 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 29 | 12 |
| Gabapentin | 20 | — |
| Finasteride | 14 | — |
| Semaglutidebrand: Ozempic | 14 | — |
| Mirtazapine | 13 | — |
| Allopurinol | 12 | — |
| Metoprolol Tartrate | 12 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2023-03-28
- Last updated
- 2023-04-14
- Certified
- 2023-04-14
Frequently asked questions
- What is Alexandra Larsen's NPI number?
- Alexandra Larsen's National Provider Identifier (NPI) is 1437853173, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alexandra Larsen's specialty?
- Alexandra Larsen 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 Alexandra Larsen located?
- Alexandra Larsen's practice location on file with NPPES is 3400 Spruce St, Philadelphia, PA 19104-4238.
- What is Alexandra Larsen's phone number?
- The practice phone number listed in the NPPES registry for Alexandra Larsen is (215) 662-9990.
- Does Alexandra Larsen accept Medicare?
- Alexandra Larsen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alexandra Larsen's NPI active?
- Yes — Alexandra Larsen's NPI (1437853173) is active in the NPPES registry as of the last update on 2023-04-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.