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

Michael Kwak, MD

Hospitalist Physician in Orlando, FL · enumerated 2014.

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

National Provider Identifier

1376961326

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Registry record

Entity type Individual (Type 1)

Name Michael Kwak

Credential MD

Sex Male

Practice address Orlando, FL, 32803

Phone (407) 652-7040

Fax (407) 652-7041

Enumeration date Apr 6, 2014

Last updated in NPPES May 13, 2026

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

Taxonomy & licenses

208M00000X Hospitalist Physician Allopathic & Osteopathic Physicians · License ME144520 (FL) Primary

208M00000X Hospitalist Physician Allopathic & Osteopathic Physicians · License A138880 (CA) Secondary

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
106695900	Medicaid	FL	-
MK3232267556	Medicaid	CA	-

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

What specialty is Michael Kwak?

Michael Kwak is registered in NPPES with the primary taxonomy of Hospitalist Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

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.

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