Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Lindsey A Hildebrand, MD

Hematology & Oncology Physician in Cambridge, MA · enumerated 2018.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1457855744

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Registry record

Entity type Individual (Type 1)

Name Lindsey A Hildebrand

Credential MD

Sex Female

Practice address 330 Mt Auburn St, Wyman 3, Cambridge, MA, 02138

Phone (617) 497-9646

Fax (617) 499-5464

Enumeration date Mar 21, 2018

Last updated in NPPES Aug 6, 2025

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 287130 (MA) Secondary

207RH0003X Hematology & Oncology Physician Allopathic & Osteopathic Physicians · License 287130 (MA) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier	Type	State	Issuer
110135845A	Medicaid	MA	-

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Lindsey Hildebrand?

The National Provider Identifier (NPI) for Lindsey Hildebrand is 1457855744, a Type 1 (individual) record in the CMS NPPES registry.

Where does Lindsey Hildebrand practice?

The practice location on file with NPPES is in Cambridge, MA. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Ryan Sullivan Internal Medicine Physician · Cambridge, MA NPI 1881696003 Aileen Starnbach Anesthesiology Physician · Cambridge, MA NPI 1477539534 Zachary Glicksman Anesthesiology Physician · Cambridge, MA NPI 1790041176 Sarah Moses Obstetrics & Gynecology Physician · Cambridge, MA NPI 1093133555 Christina Grassi Ophthalmology Physician · Cambridge, MA NPI 1306228515 Tierney Elison Advanced Practice Midwife · Cambridge, MA NPI 1689226441 Sena Cakir Colak Student in an Organized Health Care Education/Training Program · Cambridge, MA NPI 1023858628 Mauricio Fernandes Internal Medicine Physician · Cambridge, MA NPI 1710770318

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-08-06.