Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Henry Jerome Koser, DO

Geriatric Medicine (Family Medicine) Physician in Clearwater, FL · enumerated 2005.

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

National Provider Identifier

1457359457

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Registry record

Entity type Individual (Type 1)

Name Dr. Henry Jerome Koser

Credential DO

Sex Male

Practice address 2349 Sunset Point Rd, Unit 403, Clearwater, FL, 33765

Phone (727) 796-8600

Fax (727) 796-8660

Enumeration date Jul 13, 2005

Last updated in NPPES Feb 4, 2010

Taxonomy & licenses

207QG0300X Geriatric Medicine (Family Medicine) Physician Allopathic & Osteopathic Physicians · License OS2430 (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
0075216	Other	-	GHI
062839500	Medicaid	FL	-
81675	Other	FL	BCBS
P00457437	Other	FL	RAILROAD MEDICARE
196371	Other	FL	WELLCARE

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

Is NPI 1457359457 active?

Yes, as of the latest NPPES snapshot, NPI 1457359457 is active (record last updated 2010-02-04).

How do I verify Henry Koser's NPI record?

Cross-check NPI 1457359457 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 2010-02-04.