Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. STEPHANIE LEAR MD
NPI 1427019504
Internal Medicine - Nephrology in Cambridge, MA

Q: What is Stephanie Lear's NPI number?

The NPI number for Stephanie Lear is 1427019504. It was assigned to this individual provider in the NPPES registry on March 29, 2006.

Q: What is Stephanie Lear's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Q: When was this NPI record last updated?

The NPPES record for Stephanie Lear was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 34 days 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.

Active since March 29, 2006

300 MOUNT AUBURN ST, SUITE 515, CAMBRIDGE, MA 02138(617) 864-1571(617) 864-1507 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Dr. Stephanie Lear Md NPPES

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

DR. STEPHANIE LEAR MD (NPI 1427019504) is an individual nephrology provider in Cambridge, Massachusetts, licensed in Massachusetts (53757) and active in the NPI registry since March 2006.

NPPES Registry Identity

NPI1427019504

Entity TypeIndividualFemale

Primary Taxonomy207RN0300X

Provider Legal NameDR. STEPHANIE LEARCredential: MD

Location Address300 MOUNT AUBURN ST, SUITE 515Cambridge, MA 02138-5600

Mailing Address105 Walnut Hill RdChestnut Hill, MA 02467-3156 · (617) 325-4477 · Fax (617) 323-4695

Phone(617) 864-1571

Fax(617) 864-1507

Sole ProprietorNo

Enumeration DateMarch 29, 2006

Last NPPES UpdateJuly 13, 2026

✔ NPI 1427019504 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians

Taxonomy Code207RN0300X

License✔ Licensed in MA · 53757

Definition

An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.

300 MOUNT AUBURN ST, Cambridge, MA 02138

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Other Identifiers 1

Medicaid3019501MA

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.

DR. MARGARET LOVE MCLAUGHLIN M.D.

Internal Medicine (Nephrology)

300 MOUNT AUBURN ST, SUITE 515
CAMBRIDGE, MA 02138

Middlesex County (617) 864-1571

RODERICK H CROCKER JR. MD

Urology

300 MOUNT AUBURN ST, STE 519
CAMBRIDGE, MA 02138

Middlesex County (617) 547-4400

DR. THOMAS CAUGHEY MD

Internal Medicine (Hematology & Oncology)

300 MOUNT AUBURN ST, HEMA/ONC
CAMBRIDGE, MA 02138

Middlesex County (617) 497-9646

MISS JOANNE BRUNY NP

Nurse Practitioner (Family)

300 MOUNT AUBURN ST
CAMBRIDGE, MA 02138

Middlesex County (617) 492-3500

CAMBRIDGE OTOLARYNGOLOGY

Otolaryngology

300 MOUNT AUBURN ST, SUITE 308
CAMBRIDGE, MA 02138

Middlesex County (617) 354-1010

KAREN L AHLERT M.D.

Surgery

300 MOUNT AUBURN ST, SUITE 407
CAMBRIDGE, MA 02138

Middlesex County (617) 868-7456

DR. SHILPA JOSHI DESAI MD

Ophthalmology

300 MOUNT AUBURN ST
CAMBRIDGE, MA 02138

Middlesex County (617) 499-5571

DR. JULIO C. AYALA MD

Internal Medicine (Gastroenterology)

300 MOUNT AUBURN ST
CAMBRIDGE, MA 02138

Middlesex County (617) 499-0026

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 Stephanie Lear's NPI number?

The NPI number for Stephanie Lear is 1427019504. It was assigned to this individual provider in the NPPES registry on March 29, 2006.

Where is Stephanie Lear located?

Stephanie Lear practices at 300 Mount Auburn St Suite 515, Cambridge, MA 02138. The listed phone number is (617) 864-1571.

What is Stephanie Lear's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

When was this NPI record last updated?

The NPPES record for Stephanie Lear was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 34 days 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.