Michael Clark Marsden, DO
Pediatrics Physician · St George, UT
Michael Clark Marsden, DO is a pediatrics physician with a practice address in St George, Utah, and NPI 1568480804, issued on Jul 17, 2006. Check the license (Utah 56846941204, as entered in NPPES) on the Utah Medical Licensing Board; the Medicare figures below come from public CMS files.
- Name
- Michael Clark Marsden
- Credential
- DO
- Primary taxonomy
- Pediatrics Physician 208000000X
- License number
- 56846941204 UT
Self-reported in NPPES; status is on the state search - Practice location
- 1380 E Medical Center Dr, St George, UT 84790
- Phone
- (435) 251-2740
- Enumerated
- Jul 17, 2006
- Record last updated
- Jun 26, 2008 (not updated in 18 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest pediatrics physician records → All 670 in Utah → Look up another NPI →
Also registered at 1380 E Medical Center Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Enrique Alfaro, M.D.Hospitalist Physician1184606279
- Scott Allen, M.D.Anesthesiology Physician1881980399
Verify Michael Clark Marsden in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersUtah Medical Licensing Board
Search for license 56846941204Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average pediatrics physician in 2024
23 Medicare Part D claims for 20 beneficiaries, against an average of 375 among the 5,609 providers of this specialty who prescribed in Part D. Brand-name drugs were 91% of 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.
Michael Clark Marsden among 670 pediatrics physician records in Utah
Michael Clark Marsden, DO is one of 670 pediatrics physician records with a practice address in Utah. 37% 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 11% of them.
- NPI issued2006 · 11% of these records are older, 58% newer
- In a Medicare fileYes · 37% of these records are
- In the CMS Doctors and Clinicians fileNo · 9% of these records are
- Record last updated2008 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208000000X and a Utah practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pediatrics Physician providers in Utah
There are 670 pediatrics physician records in Utah.
All 670 in Utah → Every provider in St George → Pediatrics Physician nationwide →
The 8 pediatrics physician records with the nearest ZIP codes
- Ellen Arch, MDSt George, UT 847901154411890
- Gary Bosshardt, M.D.St George, UT 847901942696562
- Daniel Cannon, M.D.Saint George, UT 847901114213691
- Ashley Davis, M.D.St George, UT 847901467548735
- Anne Gomez, M.D.St George, UT 847901740281799
- Cody Hawkes, DOSt George, UT 847901457535114
- Taylor Merkley, M.D.Saint George, UT 847901255690442
- Wendell Nilson, M.D.Saint George, UT 847901205883576
Common questions
What is Michael Clark Marsden, DO's NPI number?
Michael Clark Marsden, DO's National Provider Identifier (NPI) is 1568480804, issued on Jul 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Michael Clark Marsden, DO located?
The NPPES record lists a practice address at 1380 E Medical Center Dr, St George, UT, 84790. Phone: (435) 251-2740. Providers update this record themselves, so call before visiting.
How can I verify Michael Clark Marsden, DO's license?
NPPES lists Utah license number 56846941204, as entered by the provider. Search the Utah Medical Licensing Board at https://secure.utah.gov/llv/search/index.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Michael Clark Marsden, DO prescribe under Medicare Part D?
In 2024, Michael Clark Marsden, DO had 23 Medicare Part D claims for 20 beneficiaries; the average among pediatrics physician prescribers was 375. 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.