Marguerite Beiser, NP
NPI 1508035247 · Adult Health Nurse Practitioner · Boston, MA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marguerite Beiser, NP is a Adult Health Nurse Practitioner provider in Boston, MA (NPI 1508035247).
Provider details
- NPI number
- 1508035247
- Entity type
- Individual
- Primary specialty
- Adult Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- 278837 (MA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 yrs in NPPES registry
- Profile completeness38% of score
100% 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 · 44 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 163 | 26 |
| Amlodipine Besylate | 133 | 22 |
| Bictegrav/Emtricit/Tenofov Alabrand: Biktarvy | 131 | 20 |
| Buprenorphine Hcl/Naloxone Hclbrand: Buprenorphine-Naloxone | 126 | 46 |
| Gabapentin | 123 | 16 |
| Oxycodone Hcl | 64 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-02-27
- Last updated
- 2025-04-09
- Certified
- 2025-04-09
Frequently asked questions
- What is Marguerite Beiser's NPI number?
- Marguerite Beiser's National Provider Identifier (NPI) is 1508035247, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marguerite Beiser's specialty?
- Marguerite Beiser is listed in the NPPES registry with a primary specialty of Adult Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Marguerite Beiser located?
- Marguerite Beiser's practice location on file with NPPES is 780 Albany St, Boston, MA 02118-2524.
- What is Marguerite Beiser's phone number?
- The practice phone number listed in the NPPES registry for Marguerite Beiser is (857) 654-1000.
- Does Marguerite Beiser accept Medicare?
- Marguerite Beiser is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marguerite Beiser's NPI active?
- Yes — Marguerite Beiser's NPI (1508035247) is active in the NPPES registry as of the last update on 2025-04-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.