National Provider Identifier Database

ALEXANDER A CLERK, MD – NPI #1902911381
Sleep Specialist, PhD

Sleep medicine is a clinical specialty with a focus on clinical problems that require accurate diagnosis and treatment. The knowledge base of sleep medicine is derived from many disciplines including neuroanatomy, neurophysiology, respiratory physiology, pharmacology, psychology, psychiatry, neurology, general internal medicine, pulmonary medicine, and pediatrics as well as others.


Contact Information

ALEXANDER A CLERK, MD
455 OCONNOR DR STE 110
SAN JOSE, CA95128-1637
Phone: 408-295-4532
Fax: 408-295-4738
Website:
Specialty Taxonomy Code
* Sleep Specialist, PhD 173F00000X
Psychiatry 2084P0800X

* Indicates primary specialty

NPI Profile & details for ALEXANDER A CLERK

NPI Number 1902911381
Credentials MD
Entity Individual
Enumeration date 08/19/2006
Last updated 01/19/2021 - About 5 years ago
Sole proprietor1 Yes
Identifiers
  • CA License #: 448
  • CA License #: A36573
Hospital affiliation n/a

1 A sole proprietor/sole proprietorship is an individual, and as such, is eligible for a single NPI number. The sole proprietor must apply for the NPI number using his or her own Social Security Number (SSN), not an Employer Identification Number (EIN) even if he/she has an EIN.

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