Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

William John Holubek, M.D.

Emergency Medicine Physician in Fort Lauderdale, FL · enumerated 2007.

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

National Provider Identifier

1497954101

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)

Name William John Holubek

Credential M.D.

Sex Male

Practice address 6451 N Federal Hwy, Suite 800, Fort Lauderdale, FL, 33308

Phone (800) 586-5022

Enumeration date Jul 12, 2007

Last updated in NPPES Feb 5, 2010

Taxonomy & licenses

207P00000X Emergency Medicine Physician Allopathic & Osteopathic Physicians · License 227222 (NY) 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
02410891	Medicaid	NY	-

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

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.

What specialty is William Holubek?

William Holubek is registered in NPPES with the primary taxonomy of Emergency Medicine Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Other providers at this practice address

Browse all →

Donald Human Emergency Medicine Physician · Fort Lauderdale, FL NPI 1093787491 Annette Smith Critical Care Medicine (Internal Medicine) Physician · Fort Lauderdale, FL NPI 1336171297 Daminica Mcphillips Adult Health Nurse Practitioner · Fort Lauderdale, FL NPI 1134146004 Nursing Network, Inc. Home Health Agency · Ft Lauderdale, FL NPI 1114098522 Holy Cross Hospital Inc. Durable Medical Equipment & Medical Supplies · Ft Lauderdale, FL NPI 1356415251 Rebecca Milholland Neurology Physician · Fort Lauderdale, FL NPI 1063610376 Polly Wishon-Shah Radiologic Technologist · Ft Lauderdale, FL NPI 1821288788 Dennis Gee Psychiatry Physician · Ft Lauderdale, FL NPI 1962678805

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2010-02-05.