Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Michael E Bush, M.D.

Anatomic Pathology & Clinical Pathology Physician in Norwalk, CT · enumerated 2006.

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

National Provider Identifier

1659316800

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Registry record

Entity type Individual (Type 1)

Name Dr. Michael E Bush

Credential M.D.

Sex Male

Practice address 34 Maple St, Norwalk Hospital, 5th Floor Laboratory, Norwalk, CT, 06850

Phone (203) 852-2649

Fax (203) 899-1518

Enumeration date Jun 19, 2006

Last updated in NPPES Dec 8, 2016

Taxonomy & licenses

207ZP0102X Anatomic Pathology & Clinical Pathology Physician Allopathic & Osteopathic Physicians · License 025206 (CT) 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
001252063P1	Other	CT	BLUE CARE FAMILY PLAN#
713482	Other	CT	CONNECTICARE#
0004407771	Other	CT	AETNA#
061113482	Other	CT	UNITED HEALTHCARE#
001252063	Medicaid	CT	-
061113482	Other	CT	OXFORD#
022040	Other	CT	HEALTHNET#
500HBL073CT01	Other	CT	BCBS GROUP#
061113482	Other	CT	PHCS#
4607645	Other	CT	CIGNA#

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.

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Frequently asked questions

What specialty is Michael Bush?

Michael Bush is registered in NPPES with the primary taxonomy of Anatomic Pathology & Clinical Pathology 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 2016-12-08.