Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Michael Stanley Wertheim, MD

Hematology & Oncology Physician in Fort Myers, FL · enumerated 2006.

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

National Provider Identifier

1982643474

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Registry record

Entity type Individual (Type 1)

Name Michael Stanley Wertheim

Credential MD

Sex Male

Practice address 8931 Colonial Center Dr Ste 300, Fort Myers, FL, 33905

Phone (239) 343-9567

Fax (239) 343-9571

Enumeration date Jun 6, 2006

Last updated in NPPES Oct 30, 2025

Taxonomy & licenses

207RH0003X Hematology & Oncology Physician Allopathic & Osteopathic Physicians · License 0046325 (FL) Secondary

207RH0003X Hematology & Oncology Physician Allopathic & Osteopathic Physicians · License ME46325 (FL) 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
0046325	Other	FL	FLORIDA MEDICAL LICENSE
56158	Other	FL	BLUE CROSS BLUE SHIELD
830003200	Other	FL	RAILROAD MEDICARE
047329400	Medicaid	FL	-

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 is the NPI number for Michael Wertheim?

The National Provider Identifier (NPI) for Michael Wertheim is 1982643474, a Type 1 (individual) record in the CMS NPPES registry.

Where does Michael Wertheim practice?

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

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-10-30.