Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Cheryl A Kosarek, MD
Dermatology Physician in Austin, TX · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1639243678
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Registry record
Entity type Individual (Type 1)
Name Cheryl A Kosarek
Credential MD
Sex Female
Practice address 5301 Davis Ln Ste 100, Austin, TX, 78749
Phone (512) 615-2730
Fax (512) 572-5183
Enumeration date Nov 20, 2006
Last updated in NPPES Feb 6, 2019
Taxonomy & licenses
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure.
About the MD credential
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.
Frequently asked questions
What is the NPI number for Cheryl Kosarek?
The National Provider Identifier (NPI) for Cheryl Kosarek is 1639243678, a Type 1 (individual) record in the CMS NPPES registry.
Where does Cheryl Kosarek practice?
The practice location on file with NPPES is in Austin, TX. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Tatiana Sousa Dermatology Physician · Austin, TX NPI 1427292937 Jennifer Gordon Dermatology Physician · Austin, TX NPI 1073748281 Noor Zwayne Obstetrics & Gynecology Physician · Austin, TX NPI 1972896272 Alyssa Rodriguez Physician Assistant · Austin, TX NPI 1891488425 Ashley Alford Ambulatory Women's Health Care Registered Nurse · Austin, TX NPI 1467383190 Natalia Lopez Registered Nurse · Austin, TX NPI 1760314165
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-02-06.