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

Cynthia Michel Knowles, DO

Internal Medicine Physician in Plantation, FL · enumerated 2005.

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

National Provider Identifier

1912991498

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Registry record

Entity type Individual (Type 1)

Name Cynthia Michel Knowles

Credential DO

Sex Female

Practice address Plantation, FL, 33317

Phone (954) 382-5208

Fax (954) 382-5338

Enumeration date Sep 9, 2005

Last updated in NPPES May 1, 2013

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

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License OS7539 (FL) Primary

DO · Doctor of Osteopathic Medicine: A fully licensed physician trained in osteopathic medical schools, with the same practice rights as an MD. About the DO credential

Other identifiers

Identifier	Type	State	Issuer
44486	Other	FL	BCBS OF FL
5537600	Other	FL	AETNA
0402112	Other	FL	UNITED HEALTHCARE
254754600	Medicaid	FL	-
1885601012	Other	FL	CIGNA
39846	Other	FL	NEIGHBORHOOD
116005F	Other	FL	AMERIGROUP
203022045	Other	FL	CBCA
203022045	Other	FL	TOTAL CLAIMS ADMINISTRATO
203022045	Other	FL	VISTA
232536	Other	FL	STATWELL
203022045	Other	FL	HUMANA
279822	Other	FL	AVMED

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 Cynthia Michel Knowles?

The National Provider Identifier (NPI) for Cynthia Michel Knowles is 1912991498, a Type 1 (individual) record in the CMS NPPES registry.

Where does Cynthia Michel Knowles practice?

The practice location on file with NPPES is in Plantation, 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 2013-05-01.