Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Lauren Marie Massaro, MD

Geriatric Medicine (Internal Medicine) Physician in Lancaster, PA · enumerated 2009.

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

National Provider Identifier

1992947972

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)

Name Dr. Lauren Marie Massaro

Credential MD

Sex Female

Practice address 2112 Harrisburg Pike Ste 312, Lancaster, PA, 17601

Phone (717) 544-3022

Enumeration date Apr 6, 2009

Last updated in NPPES Jul 19, 2022

Taxonomy & licenses

207RG0300X Geriatric Medicine (Internal Medicine) Physician Allopathic & Osteopathic Physicians · License MD445809 (PA) 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
MD445809	Other	PA	PA MEDICAL LICENSE #

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 Lauren Massaro?

The National Provider Identifier (NPI) for Lauren Massaro is 1992947972, a Type 1 (individual) record in the CMS NPPES registry.

Where does Lauren Massaro practice?

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

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-07-19.