Registry data as of Aug 27, 2026

Gerald Barker, MD

Obstetrics & Gynecology Physician · Cedar Rapids, IA

Gerald Barker, MD is an obstetrics & gynecology physician with a practice address in Cedar Rapids, Iowa, and NPI 1407850027, issued on Jun 10, 2005. Check the license on the Iowa Board of Medicine; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1407850027
Name
Gerald Barker
Credential
MD
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
Practice location
855 A Ave NE, Cedar Rapids, IA 52402
Phone
(319) 368-5500
Enumerated
Jun 10, 2005
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 855 A Ave NE

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Johanna Abernathy, MDObstetrics & Gynecology Physician1811991698
  2. Ritu Bansal, BDS,MPHGeneral Practice Dentistry1760617120
  3. Judith Bernhard, MDPediatrics Physician1316930696
  4. Jennifer Burgett, ARNPWomen's Health Nurse Practitioner1811388440
  5. Elizabeth Bussewitz, MDGynecology Physician1770773509
  6. Todd Butler, MDInternal Medicine Physician1710964994

Verify Gerald Barker in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIowa Board of MedicineCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Open the Iowa license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Obstetrics & Gynecology Physician providers in Iowa

There are 342 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

  1. Johanna Abernathy, MDCedar Rapids, IA1811991698
  2. Diane Adam, M.D.Coralville, IA1134113061
  3. Maryam Ahmad, MDIowa City, IA1124951033
  4. Angela Aldrich, M.D.Sioux City, IA1679570576
  5. Anisa Alizaidy, MDIowa City, IA1386329266
  6. Olanike Alonge-Obe, MD, MPHWaterloo, IA1174921787
  7. Lindsy Alons, M.DCedar Rapids, IA1205009149
  8. Edward Alt, MDDubuque, IA1548432727
  9. Barrie Anderson, MDIowa City, IA1003803867
  10. Kelly Anderson, D.O.Harlan, IA1790135978

Common questions

What is Gerald Barker, MD's NPI number?

Gerald Barker, MD's National Provider Identifier (NPI) is 1407850027, issued on Jun 10, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Gerald Barker, MD located?

The NPPES record lists a practice address at 855 A Ave NE, Cedar Rapids, IA, 52402. Phone: (319) 368-5500. Providers update this record themselves, so call before visiting.

How can I verify Gerald Barker, MD's license?

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), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.