Melissa V. Ortiz, MD
Emergency Medicine Physician · Hamilton, MT
Melissa V. Ortiz, MD is an emergency medicine physician with a practice address in Hamilton, Montana, and NPI 1235525767, issued on Apr 10, 2015. Check the license (Montana MED-PHYS-LIC-146600, as entered in NPPES) on the Montana Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Melissa V. Ortiz
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- MED-PHYS-LIC-146600 MT
0440982 KS
Self-reported in NPPES; status is on the state search - Practice location
- 1200 Westwood Dr, Hamilton, MT 59840
- Phone
- (406) 363-2211
- Enumerated
- Apr 10, 2015
- Record last updated
- Nov 12, 2024
- Medicaid IDs
- 1235525767 ID
200027904 MT - Medicare enrollment
- Enrolled (PECOS I20241118001099); accepts Medicare assignment
- Medical or professional school
- Virginia Commonwealth University, School Of Medicine, 2015
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 243 in Montana → Look up another NPI →
Also registered at 1200 Westwood Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Clinton Adkins, DOEmergency Medicine Physician1245283282
- Patrick Anderson, OTD, OTR/LOccupational Therapist1255099289
- Jessica Antisdel, CRNACertified Registered Nurse Anesthetist1134798044
- Walker Ashcraft, MDFamily Medicine Physician1265485114
- William AshfordParamedic1821931445
- Gina Basque, RN, BSNEmergency Registered Nurse1902720998
Verify Melissa V. Ortiz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMontana Board of Medical Examiners
Search for license MED-PHYS-LIC-146600Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
60% fewer Medicare Part D claims than the average emergency medicine physician in 2024
91 Medicare Part D claims for 56 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 14 claims were for opioids.
Most prescribed
- Ondansetron Odt12 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.
Bills Medicare through one group practice
- Marcus Daly Memorial Hospital CorporationHamilton, MT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Melissa V. Ortiz among 243 emergency medicine physician records in Montana
Melissa V. Ortiz, MD is one of 243 emergency medicine physician records with a practice address in Montana. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 83% of them.
- NPI issued2015 · 83% of these records are older, 14% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2015 · median 2009 among the 144 with a school on file
- Record last updated2024 · 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 207P00000X and a Montana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
13 emergency medicine physician records list a practice address in Hamilton
They are 13 of the 399 NPPES records with a practice address in Hamilton, and 243 emergency medicine physician records in Montana.
All 243 in Montana → Every provider in Hamilton → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Clinton Adkins, DOHamilton, MT 598401245283282
- William Doyle, M.D.Hamilton, MT 598401508812926
- Richard Eggleston, M.D.Hamilton, MT 598401154377232
- August Houghton, MDHamilton, MT 598401538742465
- Brian Kelleher, M.D.Hamilton, MT 598401790722775
- Aaron Laird, MDHamilton, MT 598401013231737
- Frank McHugh, M.D.Hamilton, MT 598401134170228
- Joshua Pacheco, M.D.Hamilton, MT 598401972762722
Common questions
What is Melissa V. Ortiz, MD's NPI number?
Melissa V. Ortiz, MD's National Provider Identifier (NPI) is 1235525767, issued on Apr 10, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Melissa V. Ortiz, MD located?
The NPPES record lists a practice address at 1200 Westwood Dr, Hamilton, MT, 59840. Phone: (406) 363-2211. Providers update this record themselves, so call before visiting.
How can I verify Melissa V. Ortiz, MD's license?
NPPES lists Montana license number MED-PHYS-LIC-146600, 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 Melissa V. Ortiz, MD prescribe under Medicare Part D?
In 2024, Melissa V. Ortiz, MD had 91 Medicare Part D claims for 56 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.