National Provider Identifier Database

FREDERICK A ZELLER, MD – NPI #1093804999
Sleep Medicine

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.


Contact Information

FREDERICK A ZELLER, MD
2900 12TH AVE N STE 500
BILLINGS, MT59101-7506
Phone: 406-238-6800
Fax: 406-238-6814
Website:
Specialty Taxonomy Code
* Sleep Medicine 207RS0012X
Critical Care Medicine 207RC0200X
Pulmonary Disease 207RP1001X

* Indicates primary specialty

NPI Profile & details for FREDERICK A ZELLER

NPI Number 1093804999
Credentials MD
Entity Individual
Enumeration date 10/11/2006
Last updated 11/18/2019 - About 7 years ago
Sole proprietor1 No
Identifiers
  • MT License #: 79024
  • OH License #: 35 123329
  • IN Medicaid: 201243420
  • KY Medicaid: 7100359780
  • OH Medicaid: 0104351
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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