Lei Pei, MD
NPI 1053773606 · Endocrinology, Diabetes & Metabolism Physician · Boston, MA
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lei Pei, MD is a Endocrinology, Diabetes & Metabolism Physician provider in Boston, MA (NPI 1053773606).
Provider details
- NPI number
- 1053773606
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 292401 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
10 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
2 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 · 9 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Levothyroxine Sodium | 29 |
| Metformin Hcl | 23 |
| Glipizidebrand: Glipizide Er | 19 |
| Semaglutidebrand: Ozempic | 17 |
| Methimazole | 14 |
| Tirzepatidebrand: Mounjaro | 13 |
| Linagliptinbrand: Tradjenta | 12 |
| Atorvastatin Calcium | 11 |
| Pioglitazone Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$23 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 736 Cambridge StBrighton, MA 02135Phone: (617) 779-6700
Registry dates
- Enumerated
- 2016-03-23
- Last updated
- 2025-03-05
- Certified
- 2025-03-05
Frequently asked questions
- What is Lei Pei's NPI number?
- Lei Pei's National Provider Identifier (NPI) is 1053773606, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lei Pei's specialty?
- Lei Pei is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Lei Pei located?
- Lei Pei's practice location on file with NPPES is 330 Brookline Ave, Boston, MA 02215-5400.
- What is Lei Pei's phone number?
- The practice phone number listed in the NPPES registry for Lei Pei is (617) 667-9344.
- Does Lei Pei accept Medicare?
- Lei Pei is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Lei Pei's NPI active?
- Yes — Lei Pei's NPI (1053773606) is active in the NPPES registry as of the last update on 2025-03-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.