Damian Ymzon, M.D.
Surgery Physician · Havre, MT
Damian Ymzon, M.D. is a surgery physician with a practice address in Havre, Montana, and NPI 1861686560, issued on Sep 5, 2007. Check the license (Montana 12458, as entered in NPPES) on the Montana Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Damian Ymzon
- Credential
- M.D.
- Primary taxonomy
- Surgery Physician 208600000X
- License number
- 12458 MT
Self-reported in NPPES; status is on the state search - Practice location
- 20 13TH Street West, Havre, MT 59501
- Phone
- (406) 265-7831
- Enumerated
- Sep 5, 2007
- Record last updated
- Oct 9, 2025
- Medicaid ID
- 1861686560 MT
- Medicare enrollment
- Enrolled (PECOS I20101111000917); accepts Medicare assignment
- Medical or professional school
- University Of Hawaii John A. Burns School Of Medicine, 2004
- Entity
- Type 1 · individual
8 nearest surgery physician records → All 136 in Montana → Look up another NPI →
Verify Damian Ymzon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMontana Board of Medical Examiners
Search for license 12458Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3% fewer Medicare Part D claims than the average surgery physician in 2024
143 Medicare Part D claims for 64 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. 32 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen23 claims
- Pantoprazole Sodium16 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: $646.99
5 payments; by number, the most common kind was travel and lodging; the largest payer was Intuitive Surgical, Inc. The 17,103 providers of this specialty with any payment received $3,513.80 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.
One hospital affiliation
- Northern Montana HospitalHavre, MT · Critical Access Hospitals
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov).
Damian Ymzon among 136 surgery physician records in Montana
Damian Ymzon, M.D. is one of 136 surgery physician records with a practice address in Montana. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 51% of them.
- NPI issued2007 · 51% of these records are older, 31% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2004 · median 2003 among the 92 with a school on file
- Record last updated2025 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208600000X and a Montana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
4 surgery physician records list a practice address in Havre
They are 4 of the 196 NPPES records with a practice address in Havre, and 136 surgery physician records in Montana.
All 136 in Montana → Every provider in Havre → Surgery Physician nationwide →
The 8 surgery physician records with the nearest ZIP codes
- Allen Rebchook, MDHavre, MT 595011073577862
- Sara Wilcox, M.D, PHDHavre, MT 595011376105601
- Petro Yousef, M.D., C.M.Havre, MT 595011558034280
- Stephen Milheim, M.D.Shelby, MT 594741962565432
- Barbara Miller, MDLewistown, MT 594571063519361
- David Napoliello, M.D., FACSLewistown, MT 594571326049834
- Gardner Smith, MDLewistown, MT 594571720182231
- Garrett Taylor, MDLewistown, MT 594571720575962
Common questions
What is Damian Ymzon, M.D.'s NPI number?
Damian Ymzon, M.D.'s National Provider Identifier (NPI) is 1861686560, issued on Sep 5, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Damian Ymzon, M.D. located?
The NPPES record lists a practice address at 20 13TH Street West, Havre, MT, 59501. Phone: (406) 265-7831. Providers update this record themselves, so call before visiting.
How can I verify Damian Ymzon, M.D.'s license?
NPPES lists Montana license number 12458, 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 Damian Ymzon, M.D. prescribe under Medicare Part D?
In 2024, Damian Ymzon, M.D. had 143 Medicare Part D claims for 64 beneficiaries; the average among surgery physician prescribers was 147. 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.