David Mark Hayes, MD
Otolaryngology Physician · Missoula, MT
David Mark Hayes, MD is an otolaryngology physician with a practice address in Missoula, Montana, and NPI 1205823416, issued on Oct 3, 2005. Check the license (Montana 5281, as entered in NPPES) on the Montana Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- David Mark Hayes
- Credential
- MD
- Primary taxonomy
- Otolaryngology Physician 207Y00000X
- License number
- 5281 MT
Self-reported in NPPES; status is on the state search - Practice location
- 2975 Stockyard RD, Missoula, MT 59808
- Phone
- (406) 541-7546
- Enumerated
- Oct 3, 2005
- Record last updated
- Feb 3, 2026
- Fax
- (406) 549-5777
- Medicaid IDs
- 003753900 ID
52533 MT - Medicare enrollment
- Enrolled (PECOS I20051003000797); accepts Medicare assignment
- Medical or professional school
- University Of Colorado School Of Medicine, Denver, 1981
- Entity
- Type 1 · individual
8 nearest otolaryngology physician records → All 39 in Montana → Look up another NPI →
Also registered at 2975 Stockyard RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- David Bellamah, MDSurgery Physician1760426647
- Jennifer Worrell, PA-CPhysician Assistant1568832418
Verify David Mark Hayes in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMontana Board of Medical Examiners
Search for license 5281Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
72% fewer Medicare Part D claims than the average otolaryngology physician in 2024
154 Medicare Part D claims for 32 beneficiaries, against an average of 541 among the 8,339 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 34 claims were for opioids.
Most prescribed
- Cephalexin23 claims
- Lorazepam19 claims
- Ondansetron Hcl19 claims
- Tranexamic Acid19 claims
- Hydrocodone-Acetaminophen17 claims
- Tramadol Hcl14 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $18.14
1 payment: food and beverage; the largest payer was Galderma Laboratories, L.P. The 6,429 providers of this specialty with any payment received $1,922.50 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
David Mark Hayes among 39 otolaryngology physician records in Montana
David Mark Hayes, MD is one of 39 otolaryngology physician records with a practice address in Montana. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 85% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated1981 · median 2000 among the 30 with a school on file
- Record last updated2026 · 36% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Y00000X and a Montana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Otolaryngology Physician providers in Montana
There are 39 otolaryngology physician records in Montana.
All 39 in Montana → Every provider in Missoula → Otolaryngology Physician nationwide →
The 8 otolaryngology physician records with the nearest ZIP codes
- Bradley Morris, MDMissoula, MT 598021013798149
- Karen Ahlstrom, MDMissoula, MT 598011922058031
- Daniel Braby, MDMissoula, MT 598011396731949
- Jonathan Fowlkes, MDMissoula, MT 598011720346844
- Phillip Gardner, MDMissoula, MT 598011003843897
- Jeffrey Haller, MDMissoula, MT 598011194712307
- Thomas Hoshaw, M.D.Missoula, MT 598011205106234
- Peter Vondoersten, MDMissoula, MT 598011619962990
Common questions
What is David Mark Hayes, MD's NPI number?
David Mark Hayes, MD's National Provider Identifier (NPI) is 1205823416, issued on Oct 3, 2005. An NPI identifies a provider in billing; it is not a license.
Where is David Mark Hayes, MD located?
The NPPES record lists a practice address at 2975 Stockyard RD, Missoula, MT, 59808. Phone: (406) 541-7546. Providers update this record themselves, so call before visiting.
How can I verify David Mark Hayes, MD's license?
NPPES lists Montana license number 5281, as entered by the provider. Search the Montana Board of Medical Examiners at https://ebiz.mt.gov/POL/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does David Mark Hayes, MD prescribe under Medicare Part D?
In 2024, David Mark Hayes, MD had 154 Medicare Part D claims for 32 beneficiaries; the average among otolaryngology physician prescribers was 541. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.