Mark Messer

  • Anaconda, MT
  • Dentist
NPI1972934040
Part D claims, 2026
83
Hospital affiliations
1
Industry payments
$75
Medical group
1
State license
1
Practice address
310 Sansome St, Philipsburg, MT 59858
Practice phone
Call (406) 859-3271
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Granite County Medical Center

Hospital · Philipsburg, Montana

See all 2 affiliations

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Mark Messer is a dentist in Anaconda, Montana

Mark Messer practices at Granite County Medical Center in Philipsburg, Montana, part of Granite County Medical Center.

Mark Messer's NPI, 1972934040, was assigned on November 27, 2013. Mark Messer holds Montana license DEN-DEN-LIC-5976.

NPI and contact details
NPI enumeration date
November 27, 2013
NPI status
Active
Practice phone
(406) 859-3271
Professional email
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Personal email
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Mobile number
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Sex
Male

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Mark Messer practices in Philipsburg and Anaconda

Mark Messer's primary practice is Granite County Medical Center, at 310 Sansome St, Philipsburg, MT 59858 in Granite County. The practice phone is (406) 859-3271. The NPI Registry lists Mark Messer's practice address as 401 W Pennsylvania St, Anaconda, MT 59711.

  • Granite County Medical CenterPrimary
    310 Sansome St, Philipsburg, MT 59858 · Granite CountyPhone(406) 859-3271
  • NPI Registry address
    401 W Pennsylvania St, Anaconda, MT 59711 · Deer Lodge County

Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data

Mark Messer is affiliated with 1 site of care and 1 medical group

Mark Messer's primary practice is Granite County Medical Center in Philipsburg, Montana, part of Granite County Medical Center. Dmand AI also links Mark Messer to 1 medical group, named with a free account.

See all 2 affiliations for Mark Messer

Sources: Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Mark Messer's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Mark Messer practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Granite County Medical CenterAvailable with a free account
+1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every hospital where Mark Messer practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across Granite County Medical Center and 6.2K+ hospitals, with verified contacts in the same login.

Mark Messer is one of 98 dentists in Montana

Dentist is Mark Messer's primary specialty in the NPI Registry, under taxonomy code 122300000X. Mark Messer is licensed in Montana.

Specialties and state licenses

  • Dentist, MontanaPrimaryLicense DEN-DEN-LIC-5976 · taxonomy 122300000X

Dentists near Mark Messer

Counts of dentists with a Dmand AI profile, by place and practice. Each opens the list.

98dentists in Montana
2dentists in Anaconda

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Mark Messer's patients have a median age of 34

Across all payers, Dmand AI patient panel data puts Mark Messer's median patient age at 34, with 60% women.

Mark Messer's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 34

Patient panel by sex, all payers

  • Women60%
  • Men40%

Source: Dmand AI Patient Panel Data

Mark Messer wrote 83 Medicare Part D claims in 2026

In 2026, Mark Messer wrote 83 Medicare Part D claims for 57 patients. 86% of them were for generic drugs.

Part D claims, 202683
Part D patients57

Mark Messer's Part D claims by kind of drug, 2026

  • Generic71 claims86%
  • Other12 claims14%

Drug classes CMS tracks in Mark Messer's Part D claims, 2026

  • Opioids19%16 of 83 claims
  • Antibiotics42%35 of 83 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Source: Medicare Part D Prescribers - by Provider (CMS), 2026 data

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Mark Messer received $75 in industry payments in 2025

CMS Open Payments shows 1 general payment to Mark Messer from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Straumann USA LLC paid the most, $75.

Companies that paid Mark Messer the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to Mark Messer

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Mark Messer's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Mark Messer

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Mark Messer's NPI number?

Mark Messer's NPI number is 1972934040. It was assigned on November 27, 2013, and it is active in the NPI Registry.

What does Mark Messer specialize in?

Mark Messer is a dentist in Anaconda, Montana. The primary specialty in the NPI Registry is Dentist (taxonomy code 122300000X).

Where does Mark Messer practice?

Mark Messer practices at 310 Sansome St, Philipsburg, MT 59858. Mark Messer also practices at 401 W Pennsylvania St, Anaconda, MT 59711. Mark Messer's primary practice is Granite County Medical Center in Philipsburg, Montana, part of Granite County Medical Center. Dmand AI also links Mark Messer to 1 medical group, and a free account names each one.

What is Mark Messer's office phone number?

The practice phone on file for Mark Messer is (406) 859-3271. Dmand AI also checks direct phone and mobile numbers, available with a free account.

What is Mark Messer's email address?

Dmand AI checks professional and personal email addresses for Mark Messer through healthcare-specific waterfall enrichment. They are available with a free Dmand AI account.

What is Mark Messer's medical license number?

Mark Messer holds Montana license DEN-DEN-LIC-5976.

Which hospitals is Mark Messer affiliated with?

Mark Messer practices at Granite County Medical Center in Philipsburg, Montana.

What medical group is Mark Messer part of?

Dmand AI links Mark Messer to 1 medical group. A free account names the group, with the clinicians and leaders there.

Who does Mark Messer practice with?

Dmand AI links 8 HCPs to Mark Messer's primary medical group, 1 of them dentist. A free account lists them, with verified contacts.

Has Mark Messer received payments from drug or device companies?

CMS Open Payments shows $75 in general payments to Mark Messer from 1 company from 2025 to 2025. The largest total came from Straumann USA LLC.

How long has Mark Messer been practicing?

Mark Messer's NPI was assigned in 2013.

What EHR does Mark Messer's practice use?

Dmand AI tracks the EHR system at Granite County Medical Center and at 1 medical group. The vendor and product are available with a free Dmand AI account.

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