Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Aaron Sparks

Q: What is the NPI number for Aaron Sparks?

The National Provider Identifier (NPI) for Aaron Sparks is 1619363918, a Type 1 (individual) record in the CMS NPPES registry.

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician in Boston, MA · enumerated 2015.

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

National Provider Identifier

1619363918

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Registry record

Entity type Individual (Type 1)

Name Aaron Sparks

Sex Male

Practice address Boston, MA, 02111

Phone (617) 636-5000

Enumeration date Apr 13, 2015

Last updated in NPPES Jun 5, 2023

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

208G00000X Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician Allopathic & Osteopathic Physicians · License 283486 (MA) Primary

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 Aaron Sparks?

The National Provider Identifier (NPI) for Aaron Sparks is 1619363918, a Type 1 (individual) record in the CMS NPPES registry.

Where does Aaron Sparks practice?

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

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-06-05.