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

Mark Richard Gacek, M.D.

Otolaryngology Physician in Mobile, AL · enumerated 2005 · practices at Gacek Ear and Sinus Center LLC.

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

National Provider Identifier

1073517769

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Registry record

Entity type Individual (Type 1)

Name Mark Richard Gacek

Credential M.D.

Sex Male

Practice address Mobile, AL, 36695

Phone (251) 340-7970

Fax (866) 873-8411

Enumeration date Jun 9, 2005

Last updated in NPPES Aug 24, 2022

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

Taxonomy & licenses

207Y00000X Otolaryngology Physician Allopathic & Osteopathic Physicians · License 0002107 (AL) 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
51134625	Other	AL	BC AL
148969	Medicaid	AL	-

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 1073517769 active?

Yes, as of the latest NPPES snapshot, NPI 1073517769 is active (record last updated 2022-08-24).

How do I verify Mark Gacek's NPI record?

Cross-check NPI 1073517769 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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Gacek Ear and Sinus Center LLC Otolaryngology Physician · Mobile, AL NPI 1932449451

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-08-24.