Marshall Newell McArthur, DDS
Dentist · Cheyenne, WY
Marshall Newell McArthur, DDS is a dentist with a practice address in Cheyenne, Wyoming, and NPI 1508552118, issued on Apr 17, 2023. Check the license (Wyoming 1648, as entered in NPPES) with the Wyoming board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Marshall Newell McArthur
- Credential
- DDS
- Primary taxonomy
- Dentist 122300000X
- License number
- 1648 WY
Self-reported in NPPES; status is on the state search - Practice location
- 4000 Laramie St, Cheyenne, WY 82001
- Phone
- (307) 426-4014
- Enumerated
- Apr 17, 2023
- Record last updated
- Jul 28, 2025
- Entity
- Type 1 · individual
8 nearest dentist records → All 150 in Wyoming → Look up another NPI →
Also registered at 4000 Laramie St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lorraine Gallagher, D.M.D.General Practice Dentistry1144499765
Verify Marshall Newell McArthur in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wyoming board licenses this profession
Search for license 1648Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
73% fewer Medicare Part D claims than the average dentist in 2024
23 Medicare Part D claims for 20 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Amoxicillin11 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.
Marshall Newell McArthur among 150 dentist records in Wyoming
Marshall Newell McArthur, DDS is one of 150 dentist records with a practice address in Wyoming. 57% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 92% of them.
- NPI issued2023 · 92% of these records are older, 5% newer
- In a Medicare fileYes · 57% of these records are
- In the CMS Doctors and Clinicians fileNo · 0% of these records are
- Record last updated2025 · 74% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 122300000X and a Wyoming practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
26 dentist records list a practice address in Cheyenne
They are 26 of the 2,782 NPPES records with a practice address in Cheyenne, and 150 dentist records in Wyoming.
All 150 in Wyoming → Every provider in Cheyenne → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Rory Ashdown, DDSCheyenne, WY 820011689297772
- Zachary Christopherson, D.D.S.Cheyenne, WY 820011417477241
- Randall Davis, D.D.S.Cheyenne, WY 820011336437458
- Jerri Donahue, DDSCheyenne, WY 820011295883452
- Harry Fanning, D.D.S.Cheyenne, WY 820011386855633
- Cameron Gilkinson, D.D.S.Cheyenne, WY 820011013092923
- Richard Giovale, DDSCheyenne, WY 820011346257920
- John Luddington, DDSCheyenne, WY 820011659591451
Common questions
What is Marshall Newell McArthur, DDS's NPI number?
Marshall Newell McArthur, DDS's National Provider Identifier (NPI) is 1508552118, issued on Apr 17, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Marshall Newell McArthur, DDS located?
The NPPES record lists a practice address at 4000 Laramie St, Cheyenne, WY, 82001. Phone: (307) 426-4014. Providers update this record themselves, so call before visiting.
How can I verify Marshall Newell McArthur, DDS's license?
NPPES lists Wyoming license number 1648, as entered by the provider. Search the Wyoming board that licenses this profession; the NPPES record confirms identity only.
How much does Marshall Newell McArthur, DDS prescribe under Medicare Part D?
In 2024, Marshall Newell McArthur, DDS had 23 Medicare Part D claims for 20 beneficiaries; the average among dentist prescribers was 86. 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.