Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

David Mark Hayes, MD

Individual provider Otolaryngology Physician · NPI 1205823416

David Mark Hayes, MD is an Otolaryngology in Missoula, Montana. Graduated from University of Colorado School of Medicine, Denver in 1981, 45 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in Montana.

Years since qualifying
45
Trained at
University of Colorado School of Medicine, Denver
Licensed in
MT
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

2975 Stockyard Rd
Missoula, MT 59808-1557
Phone: (406) 541-7546
Fax: (406) 549-5777
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Otolaryngology Physician (primary) Taxonomy 207Y00000X · Licence 5281 (MT)

Record details

NPI number1205823416
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedOctober 3, 2005
Last updated in NPPESFebruary 3, 2026
Certification dateFebruary 3, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyOTOLARYNGOLOGY
Medical schoolUNIVERSITY OF COLORADO SCHOOL OF MEDICINE, DENVER
Graduated 1981 (45 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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