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NPI Profile for Dr WILLIAM C FREY in SAN ANTONIO, TX.
An Internist who practices Sleep Medicine is certified in the subspecialty of sleep medicine and specializes in the clinical assessment, physiologic testing, diagnosis, management and prevention of sleep and circadian rhythm disorders. Sleep specialists treat patients of any age and use multidisciplinary approaches. Disorders managed by sleep specialists include, but are not limited to, sleep related breathing disorders, insomnia, hypersomnias, circadian rhythm sleep disorders, parasomnias and sleep related movement disorders.
Specialty |
Taxonomy Code | Specialty Code | Provider Type | |
Sleep Medicine |
207RS0012X | 11 | Physician/Internal Medicine | |
Pulmonary Disease |
207RP1001X | 11 | Physician/Internal Medicine |
| NPI # | 1427049345 |
|
| Status | Active | |
| Credentials | MD | |
| Entity | Individual | |
| Enumeration date | 10/31/2005 | |
| Last updated | 03/21/2025 - More than a year ago | |
| Sole proprietor 1 | No | |
| Identifiers |
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| Hospital affiliation(s) | Not Available |
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WILLIAM C FREY
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WILLIAM C FREY, MD