Timothy Robert Marsh, DO
Surgery Physician · West Branch, MI
Timothy Robert Marsh, DO is a surgery physician with a practice address in West Branch, Michigan, and NPI 1477639672, issued on Oct 31, 2006. Check the license (Michigan TM102387, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Timothy Robert Marsh
- Credential
- DO
- Primary taxonomy
- Surgery Physician 208600000X
- License number
- TM102387 MI
Self-reported in NPPES; status is on the state search - Practice location
- 2339 Progress, West Branch, MI 48661
- Phone
- (989) 345-1226
- Enumerated
- Oct 31, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (989) 345-7702
- Entity
- Type 1 · individual
8 nearest surgery physician records → All 1,376 in Michigan → Look up another NPI →
Verify Timothy Robert Marsh in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license TM102387Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
37% fewer Medicare Part D claims than the average surgery physician in 2024
92 Medicare Part D claims, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Tizanidine Hcl13 claims
- Amlodipine Besylate11 claims
- Glimepiride11 claims
- Metformin Hcl11 claims
- Pravastatin Sodium11 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.
Timothy Robert Marsh among 1,376 surgery physician records in Michigan
Timothy Robert Marsh, DO is one of 1,376 surgery physician records with a practice address in Michigan. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 62% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileNo · 52% of these records are
- Record last updated2007 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208600000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
9 surgery physician records list a practice address in West Branch
They are 9 of the 338 NPPES records with a practice address in West Branch, and 1,376 surgery physician records in Michigan.
All 1,376 in Michigan → Every provider in West Branch → Surgery Physician nationwide →
The 8 surgery physician records with the nearest ZIP codes
- Hassan Ahmad, M.DWest Branch, MI 486611851772057
- Jay Collins, M.D.West Branch, MI 486611184714065
- Allie Eickholtz, MDWest Branch, MI 486611033747118
- David Hobbs, M.D.West Branch, MI 486611174886279
- Michael Hollis, MDWest Branch, MI 486611215386115
- Jill Jennings, M.D.West Branch, MI 486611043429095
- Rachel Laszko, MDWest Branch, MI 486611568876621
- Walter Leibold, MDWest Branch, MI 486611316023526
Common questions
What is Timothy Robert Marsh, DO's NPI number?
Timothy Robert Marsh, DO's National Provider Identifier (NPI) is 1477639672, issued on Oct 31, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Timothy Robert Marsh, DO located?
The NPPES record lists a practice address at 2339 Progress, West Branch, MI, 48661. Phone: (989) 345-1226. Providers update this record themselves, so call before visiting.
How can I verify Timothy Robert Marsh, DO's license?
NPPES lists Michigan license number TM102387, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Timothy Robert Marsh, DO prescribe under Medicare Part D?
In 2024, Timothy Robert Marsh, DO had 92 Medicare Part D claims; the average among surgery physician prescribers was 147. 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.