Registry data as of Aug 27, 2026

Roy Doorenbos, MD

Family Medicine Physician · Grinnell, IA

Roy Doorenbos, MD is a family medicine physician with a practice address in Grinnell, Iowa, and NPI 1164416467, issued on Sep 1, 2005. Check the license (Iowa 25226, as entered in NPPES) 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
1164416467
Name
Roy Doorenbos
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
25226 IA
Self-reported in NPPES; status is on the state search
Practice location
210 4TH Ave, Grinnell, IA 50112
Phone
(641) 236-2500
Enumerated
Sep 1, 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.
Download card Updates feed

Also registered at 210 4TH Ave

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

  1. Daniel Anderson, M.D.Internal Medicine Physician1104807692
  2. Wendi Beck, PA-CMedical Physician Assistant1558591602
  3. Katelyn Beyer, PAPhysician Assistant1508215013
  4. Eman Boulis, MDInternal Medicine Physician1265617047
  5. Jacob Boyer, PA-CPhysician Assistant1306193248
  6. Michelle Brennan, RDN, LDRegistered Dietitian1740536614

Verify Roy Doorenbos in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIowa Board of Medicine
    Search for license 25226
    Check 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.

9 family medicine physician records list a Grinnell practice address

They are 9 of the 172 NPPES records with a Grinnell practice address, and 2,300 family medicine physician records in Iowa. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other family medicine physician records in Iowa

  1. Jennifer Aanestad, M.D.Durant, IA1386649341
  2. Amjad Abdelhady, MDSioux City, IA1033966700
  3. Afsana Abdullah, D.O.Bettendorf, IA1760583066
  4. Raja Ali Abdullah, MDCedar Falls, IA1356101000
  5. Laura Abels, DOAnkeny, IA1427313527
  6. Matthew AbendrothDes Moines, IA1972918894
  7. Mabra Abernathy, M.D.Coralville, IA1316922545
  8. Jennifer Abler, D.O.Altoona, IA1528159068
  9. Michael Abouassaly, M.D.West Burlington, IA1184790909
  10. Nesrin Abu Ata, M.D.Sioux City, IA1528297660

Common questions

What is Roy Doorenbos, MD's NPI number?

Roy Doorenbos, MD's National Provider Identifier (NPI) is 1164416467, issued on Sep 1, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Roy Doorenbos, MD located?

The NPPES record lists a practice address at 210 4TH Ave, Grinnell, IA, 50112. Phone: (641) 236-2500. Providers update this record themselves, so call before visiting.

How can I verify Roy Doorenbos, MD's license?

NPPES lists Iowa license number 25226, 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), 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.