Barrett Marshall, DDS
General Practice Dentistry · Muskegon, MI
Barrett Marshall, DDS is a general practice dentistry with a practice address in Muskegon, Michigan, and NPI 1497422679, issued on Aug 25, 2021. Check the license (Michigan 2901601115, as entered in NPPES) with the Michigan board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Barrett Marshall
- Credential
- DDS
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 2901601115 MI
Self-reported in NPPES; status is on the state search - Practice location
- 132 Ruddiman Dr, Muskegon, MI 49445
- Phone
- (206) 549-0323
- Enumerated
- Aug 25, 2021
- Record last updated
- Aug 25, 2021 (not updated in 5 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 4,088 in Michigan → Look up another NPI →
Verify Barrett Marshall in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Michigan board licenses this profession
Search for license 2901601115Check 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 general practice dentistry in 2024
33 Medicare Part D claims for 27 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin12 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.
Barrett Marshall among 4,088 general practice dentistry records in Michigan
Barrett Marshall, DDS is one of 4,088 general practice dentistry records with a practice address in Michigan. 61% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 88% of them.
- NPI issued2021 · 88% of these records are older, 10% newer
- In a Medicare fileYes · 61% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2021 · 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 1223G0001X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
40 general practice dentistry records list a practice address in Muskegon
They are 40 of the 2,646 NPPES records with a practice address in Muskegon, and 4,088 general practice dentistry records in Michigan.
All 4,088 in Michigan → Every provider in Muskegon → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Peter Blackburn, DDSNorth Muskegon, MI 494451659438075
- Thompson Boyd, DDS PCNorth Muskegon, MI 494451962574129
- James Donley, DDSN Muskegon, MI 494451528012697
- Brian Fosse, DDSNorth Muskegon, MI 494451699770479
- Monica Lakatos, DDSMuskegon, MI 494451528121662
- Michelle Matheson, DDSMuskegon, MI 494451649333782
- Michelle Piper, D.D.S.N Muskegon, MI 494451982632436
- Ekow Amakye, DDSMuskegon, MI 494441285471011
Common questions
What is Barrett Marshall, DDS's NPI number?
Barrett Marshall, DDS's National Provider Identifier (NPI) is 1497422679, issued on Aug 25, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Barrett Marshall, DDS located?
The NPPES record lists a practice address at 132 Ruddiman Dr, Muskegon, MI, 49445. Phone: (206) 549-0323. Providers update this record themselves, so call before visiting.
How can I verify Barrett Marshall, DDS's license?
NPPES lists Michigan license number 2901601115, as entered by the provider. Search the Michigan board that licenses this profession; the NPPES record confirms identity only.
How much does Barrett Marshall, DDS prescribe under Medicare Part D?
In 2024, Barrett Marshall, DDS had 33 Medicare Part D claims for 27 beneficiaries; the average among general practice dentistry prescribers was 83. 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.