Mark J. Dearden, D.O.
Family Medicine Physician · Des Moines, IA
Mark J. Dearden, D.O. is a family medicine physician with a practice address in Des Moines, Iowa, and NPI 1730143397, issued on Apr 12, 2006. Check the license (Iowa DO-03457, as entered in NPPES) on the Iowa Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Mark J. Dearden
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- DO-03457 IA
3457 IA
Self-reported in NPPES; status is on the state search - Practice location
- 1540 High St, Des Moines, IA 50309
- Phone
- (515) 237-3985
- Enumerated
- Apr 12, 2006
- Record last updated
- Jun 2, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (515) 237-3994
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,336 in Iowa → Look up another NPI →
Also registered at 1540 High St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Stephen Burds, D.D.S.General Practice Dentistry1154460863
- Darrel Devick, DOInternal Medicine Physician1104939131
Verify Mark J. Dearden in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIowa Board of Medicine
Search for license DO-03457Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
100% fewer Medicare Part D claims than the average family medicine physician in 2024
12 Medicare Part D claims, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Famotidine12 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.
Mark J. Dearden among 2,336 family medicine physician records in Iowa
Mark J. Dearden, D.O. is one of 2,336 family medicine physician records with a practice address in Iowa. 75% 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 16% of them.
- NPI issued2006 · 16% of these records are older, 48% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 59% of these records are
- Record last updated2014 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
292 family medicine physician records list a practice address in Des Moines
They are 292 of the 5,538 NPPES records with a practice address in Des Moines, and 2,336 family medicine physician records in Iowa.
All 2,336 in Iowa → Every provider in Des Moines → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Jose Aguilar, M.D.Des Moines, IA 503091760681597
- Nancy Aquadro, DODes Moines, IA 503091255349049
- Ellie Bishop, DODes Moines, IA 503091629057377
- Michael Blaess, DODes Moines, IA 503091730197476
- William Eischen, D.O.Des Moines, IA 503091376587493
- Sudeep Gupta, DODes Moines, IA 503091114936713
- Joy Hong, MDDes Moines, IA 503091306291299
- Jimmie Horton, M.D.Des Moines, IA 503091710114434
Common questions
What is Mark J. Dearden, D.O.'s NPI number?
Mark J. Dearden, D.O.'s National Provider Identifier (NPI) is 1730143397, issued on Apr 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark J. Dearden, D.O. located?
The NPPES record lists a practice address at 1540 High St, Des Moines, IA, 50309. Phone: (515) 237-3985. Providers update this record themselves, so call before visiting.
How can I verify Mark J. Dearden, D.O.'s license?
NPPES lists Iowa license number DO-03457, as entered by the provider. Search the Iowa Board of Medicine at https://dial.iowa.gov/about-dial/boards-and-commissions/medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mark J. Dearden, D.O. prescribe under Medicare Part D?
In 2024, Mark J. Dearden, D.O. had 12 Medicare Part D claims; the average among family medicine physician prescribers was 3,544. 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.