Elizabeth Schaefer, MD
NPI 1730355512 · Internal Medicine Physician · Boston, MA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Elizabeth Schaefer, MD is a Internal Medicine Physician provider in Boston, MA (NPI 1730355512).
Provider details
- NPI number
- 1730355512
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A112814 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
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 · 38 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 187 | 60 |
| Levothyroxine Sodium | 63 | 17 |
| Fluticasone Propionate | 60 | 16 |
| Lisinopril/Hydrochlorothiazidebrand: Lisinopril-Hydrochlorothiazide | 57 | 20 |
| Rosuvastatin Calcium | 56 | 20 |
| Amlodipine Besylate | 53 | 18 |
| Lisinopril |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-05-01
- Last updated
- 2021-12-15
Frequently asked questions
- What is Elizabeth Schaefer's NPI number?
- Elizabeth Schaefer's National Provider Identifier (NPI) is 1730355512, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Elizabeth Schaefer's specialty?
- Elizabeth Schaefer is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Elizabeth Schaefer located?
- Elizabeth Schaefer's practice location on file with NPPES is 400 Brookline Ave Apt 14c, Boston, MA 02215-5406.
- What is Elizabeth Schaefer's phone number?
- The practice phone number listed in the NPPES registry for Elizabeth Schaefer is (415) 314-8270.
- Does Elizabeth Schaefer accept Medicare?
- Elizabeth Schaefer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Elizabeth Schaefer's NPI active?
- Yes — Elizabeth Schaefer's NPI (1730355512) is active in the NPPES registry as of the last update on 2021-12-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.