Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Eric William Fleegler, MD, MPH

Pediatric Emergency Medicine (Pediatrics) Physician in Boston, MA · enumerated 2005.

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

National Provider Identifier

1215923362

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Registry record

Entity type Individual (Type 1)

Name Dr. Eric William Fleegler

Credential MD, MPH

Sex Male

Practice address 300 Longwood Ave, Children'S Hospital Boston, Boston, MA, 02115

Phone (617) 355-6363

Enumeration date Sep 23, 2005

Last updated in NPPES Feb 28, 2024

Taxonomy & licenses

2080P0204X Pediatric Emergency Medicine (Pediatrics) Physician Allopathic & Osteopathic Physicians · License 215862 (MA) Primary

207P00000X Emergency Medicine Physician Allopathic & Osteopathic Physicians · License 215862 (MA) Secondary

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

What specialty is Eric Fleegler?

Eric Fleegler is registered in NPPES with the primary taxonomy of Pediatric Emergency Medicine (Pediatrics) Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-02-28.