Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Anna Jolesz, M.D.

Pediatrics Physician in Boston, MA · enumerated 2006.

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

National Provider Identifier

1598702607

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Registry record

Entity type Individual (Type 1)

Name Anna Jolesz

Credential M.D.

Sex Female

Practice address 1601 Washington St, Boston, MA, 02118

Phone (617) 425-2000

Enumeration date May 31, 2006

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

208000000X Pediatrics Physician Allopathic & Osteopathic Physicians · License 48803 (MA) Primary

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

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

Is NPI 1598702607 active?

Yes, as of the latest NPPES snapshot, NPI 1598702607 is active (record last updated 2007-07-08).

How do I verify Anna Jolesz's NPI record?

Cross-check NPI 1598702607 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.