NPPES file of Aug 9, 2026

Jaan Douma, D.C.

Chiropractor · Portage, MI

Jaan Douma, D.C. is a chiropractor with a practice address in Portage, Michigan, and NPI 1912059668, issued on Jan 16, 2007. Check the license (Michigan 2301008084, as entered in NPPES) with the Michigan board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1912059668
Name
Jaan Douma
Credential
D.C.
Primary taxonomy
Chiropractor 111N00000X
License number
2301008084 MI
Self-reported in NPPES; status is on the state search
Practice location
5833 Oakland Dr, Portage, MI 49024
Phone
(269) 321-7733
Enumerated
Jan 16, 2007
Record last updated
Dec 30, 2013 (not updated in 13 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20090420000010); accepts Medicare assignment
Medical or professional school
Western States College Of Chiropractic, 1999
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 5833 Oakland Dr

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

  1. Denise Hoffman, OTR/LOccupational Therapist1033228614
  2. Craig Stull, D.C.Nutrition Chiropractor1154392843

Verify Jaan Douma in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Michigan board licenses this profession
    Search for license 2301008084
    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
Find the Michigan license search

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25 chiropractor records list a practice address in Portage

They are 25 of the 1,492 NPPES records with a practice address in Portage, and 3,058 chiropractor records in Michigan. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other chiropractor records in Michigan

  1. Paul Aalderink, D.C.Zeeland, MI1710039920
  2. Wayne Aamodt, D.C.Grand Rapids, MI1710975370
  3. Amy Abbott, D.C.Dorr, MI1184795403
  4. William Abbott, D.C.Northville, MI1215094420
  5. Ibrahim Abdel-JawadDearborn, MI1871666594
  6. Mazin Abdelmalek, DCBurton, MI1871703389
  7. Kinan Abdul Baki, D.C.Canton, MI1215634944
  8. Zeyad AbdullahNovi, MI1770207003
  9. Tony Aboudib, DCTraverse City, MI1043373343
  10. Jessica Abram, DCPort Huron, MI1659091411

Common questions

What is Jaan Douma, D.C.'s NPI number?

Jaan Douma, D.C.'s National Provider Identifier (NPI) is 1912059668, issued on Jan 16, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Jaan Douma, D.C. located?

The NPPES record lists a practice address at 5833 Oakland Dr, Portage, MI, 49024. Phone: (269) 321-7733. Providers update this record themselves, so call before visiting.

How can I verify Jaan Douma, D.C.'s license?

NPPES lists Michigan license number 2301008084, as entered by the provider. Search the Michigan board that licenses this profession; the NPPES record confirms identity 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. 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.