Marcus D. Barnett, M.D.
Obstetrics & Gynecology Physician · Cedar Rapids, IA
Marcus D. Barnett, M.D. is an obstetrics & gynecology physician with a practice address in Cedar Rapids, Iowa, and NPI 1952524746, issued on Apr 10, 2007. Check the license (Iowa MD-46742, as entered in NPPES) on the Iowa Board of Medicine; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Marcus D. Barnett
- Credential
- M.D.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- MD-46742 IA
Self-reported in NPPES; status is on the state search - Practice location
- 4251 River Center CT NE, Cedar Rapids, IA 52402
- Phone
- (319) 730-7300
- Enumerated
- Apr 10, 2007
- Record last updated
- Oct 21, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (319) 730-7368
- Entity
- Type 1 · individual
Also registered at 4251 River Center CT NE
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jessica KeelyFamily Nurse Practitioner1922989359
- Sara Olmstead, ARNPWomen's Health Nurse Practitioner1730528225
- Jason Rexroth, M.D.Obstetrics & Gynecology Physician1568529741
- Amy SmoluchaObstetrics & Gynecology Physician1740630078
- Diane Sorensen, LMSWSocial Worker1306353289
- Trisha Welsh, ARNPNurse Practitioner1710318373
Verify Marcus D. Barnett in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIowa Board of Medicine
Search for license MD-46742Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Obstetrics & Gynecology Physician providers in Iowa
There are 339 obstetrics & gynecology physician records in Iowa. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
Other obstetrics & gynecology physician records in Iowa
- Johanna Abernathy, MDCedar Rapids, IA1811991698
- Diane Adam, M.D.Coralville, IA1134113061
- Maryam Ahmad, MDIowa City, IA1124951033
- Angela Aldrich, M.D.Sioux City, IA1679570576
- Anisa Alizaidy, MDIowa City, IA1386329266
- Olanike Alonge-Obe, MD, MPHWaterloo, IA1174921787
- Lindsy Alons, M.DCedar Rapids, IA1205009149
- Edward Alt, MDDubuque, IA1548432727
- Barrie Anderson, MDIowa City, IA1003803867
- Kelly Anderson, D.O.Harlan, IA1790135978
Common questions
What is Marcus D. Barnett, M.D.'s NPI number?
Marcus D. Barnett, M.D.'s National Provider Identifier (NPI) is 1952524746, issued on Apr 10, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Marcus D. Barnett, M.D. located?
The NPPES record lists a practice address at 4251 River Center CT NE, Cedar Rapids, IA, 52402. Phone: (319) 730-7300. Providers update this record themselves, so call before visiting.
How can I verify Marcus D. Barnett, M.D.'s license?
NPPES lists Iowa license number MD-46742, 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.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.