Registry data as of Aug 27, 2026

Nathan Sickler, DMD

Dentist · Glendive, MT

Nathan Sickler, DMD is a dentist with a practice address in Glendive, Montana, and NPI 1558116137, issued on Apr 18, 2024. Check the license (Montana DEN-DEN-LIC-28284, as entered in NPPES) with the Montana board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1558116137
Name
Nathan Sickler
Credential
DMD
Primary taxonomy
Dentist 122300000X
License number
DEN-DEN-LIC-28284 MT
Self-reported in NPPES; status is on the state search
Practice location
116 N Meade Ave, Glendive, MT 59330
Phone
(406) 377-8265
Enumerated
Apr 18, 2024
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 116 N Meade Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Matthew Calkins, D.D.SDentist1598177115
  2. George Carson, D.D.S.Pediatric Dentistry1134377732
  3. Patrick Lahiff, DDSDentist1144895848

Verify Nathan Sickler in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Montana board licenses this profession
    Search for license DEN-DEN-LIC-28284
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Find the Montana license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Industry payments in 2024: $14.91

1 payment, mostly food and beverage; the largest payer was Straumann USA LLC. The 32,932 providers of this specialty with any payment received $579.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Nathan Sickler$14.91
  2. Specialty average$579.61

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

3 dentist records list a Glendive practice address

They are 3 of the 98 NPPES records with a Glendive practice address, and 283 dentist records in Montana.

Other dentist records in Montana

  1. John Abrahamson, DMDMissoula, MT1538645445
  2. Christopher Allen, DMDBillings, MT1205513009
  3. Lucas Allen, D.M.D.Choteau, MT1518307339
  4. Aimee Ameline, DDSGreat Falls, MT1699849091
  5. Robert Andersen, D.M.D.Belgrade, MT1023276862
  6. Fred Anderson, D.M.D.Great Falls, MT1477628790
  7. Taylor Anderson, DMDBozeman, MT1831882059
  8. Thomas Anderson, DDSTownsend, MT1750413456
  9. Kolten Astle, DMDBillings, MT1366026189
  10. Timothy Bagnell, DDSFrenchtown, MT1508973355

Common questions

What is Nathan Sickler, DMD's NPI number?

Nathan Sickler, DMD's National Provider Identifier (NPI) is 1558116137, issued on Apr 18, 2024. An NPI identifies a provider in billing; it is not a license.

Where is Nathan Sickler, DMD located?

The NPPES record lists a practice address at 116 N Meade Ave, Glendive, MT, 59330. Phone: (406) 377-8265. Providers update this record themselves, so call before visiting.

How can I verify Nathan Sickler, DMD's license?

NPPES lists Montana license number DEN-DEN-LIC-28284, as entered by the provider. Search the Montana board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.