DR. LEI PEI MD
NPI 1053773606
Internal Medicine - Endocrinology, Diabetes & Metabolism in Boston, MA

Active since March 23, 2016PECOS EnrolledAccepts Medicare Assignment
330 BROOKLINE AVE, BOSTON, MA 02215(617) 667-9344(617) 667-7060 Get Directions Write a Review

NPPES record last updated: March 5, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Mar 5, 2025, Apr 13, 2023, Jul 1, 2019 and 2 more (5 updates tracked since 2016).

About Dr. Lei Pei Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. LEI PEI MD (NPI 1053773606) is an individual endocrinology, diabetes & metabolism provider in Boston, Massachusetts, licensed in Massachusetts (292401) and active in the NPI registry since March 2016. She is enrolled in Medicare PECOS, is affiliated with Massachusetts General Hospital, and is a graduate of Other (2011).

NPPES Registry Identity

NPI1053773606
Entity TypeIndividualFemale
Primary Taxonomy207RE0101X
Provider Legal NameDR. LEI PEICredential: MD
Location Address330 BROOKLINE AVEBoston, MA 02215-5400
Mailing Address330 Brookline AveBoston, MA 02215-5491 · (617) 667-9344 · Fax (617) 667-7060
Fax(617) 667-7060
Sole ProprietorNo
Medical School CMSOtherGraduated 2011
Enumeration DateMarch 23, 2016
Last NPPES UpdateMarch 5, 20255 updates tracked since enumeration
NPPES CertifiedMarch 5, 2025
NPI 1053773606 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians
Taxonomy Code207RE0101X
License Licensed in MA · 292401
Definition
An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.
330 BROOKLINE AVE, Boston, MA 02215

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Lei Pei Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7315232170
PECOS Enrollment IDI20250214000930
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Massachusetts General Hospital

Acute Care Hospitals · Boston, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220071
Location55 Fruit StreetBoston, MA 02114 · Suffolk County
Emergency services Birthing friendly

Brigham And Women's Hospital

Acute Care Hospitals · Boston, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220110
Location75 Francis StreetBoston, MA 02115 · Suffolk County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02215 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$144.11 typical visit price
range $63.72 – $189.86
Typical copayment $36.02 (range $15.93 – $47.46)
Most-billed visit code 99204
Established Patient
$111.18 typical visit price
range $21.07 – $155.29
Typical copayment $27.79 (range $5.26 – $38.82)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Chronic Disease Hospital (Children)
330 BROOKLINE AVE
BOSTON, MA 02215
Internal Medicine
330 BROOKLINE AVE, PULMONARY AND CRITICAL CARE DEPARTMENT
BOSTON, MA 02215
Dermatology
330 BROOKLINE AVE, SHAPIRO 2
BOSTON, MA 02215
Anesthesiology
330 BROOKLINE AVE
BOSTON, MA 02215
Psychologist (Clinical)
330 BROOKLINE AVE
BOSTON, MA 02215
Hospitalist
330 BROOKLINE AVE
BOSTON, MA 02215
Student in an Organized Health Care Education/Training Program
330 BROOKLINE AVE
BOSTON, MA 02215
Emergency Medicine
330 BROOKLINE AVE
BOSTON, MA 02215

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Lei Pei's NPI number?

The NPI number for Lei Pei is 1053773606. It was assigned to this individual provider in the NPPES registry on March 23, 2016.

Where is Lei Pei located?

Lei Pei practices at 330 Brookline Ave, Boston, MA 02215. The listed phone number is (617) 667-9344.

What is Lei Pei's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Is Lei Pei enrolled in Medicare?

Yes. Lei Pei is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Lei Pei affiliated with any hospitals?

According to CMS data, Lei Pei is affiliated with Massachusetts General Hospital and Brigham And Women's Hospital.

When was this NPI record last updated?

The NPPES record for Lei Pei was last updated on March 5, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.