Jaan Douma, D.C.
NPI 1912059668 · Chiropractor · Portage, MI
Enrolled with Medicare as Practitioner - Chiropractic · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jaan Douma, D.C. is a Chiropractor provider in Portage, MI (NPI 1912059668).
Provider details
- NPI number
- 1912059668
- Entity type
- Individual
- Primary specialty
- ChiropractorChiropractic Providers
- Credential
- D.C.
- Sex
- Male
- Sole proprietor
- No
- License
- 2301008084 (MI)
Specialties & taxonomies
Chiropractic Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-01-16
- Last updated
- 2013-12-30
Frequently asked questions
- What is Jaan Douma's NPI number?
- Jaan Douma's National Provider Identifier (NPI) is 1912059668, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jaan Douma's specialty?
- Jaan Douma is listed in the NPPES registry with a primary specialty of Chiropractor (Chiropractic Providers).
- Where is Jaan Douma located?
- Jaan Douma's practice location on file with NPPES is 5833 Oakland Dr, Portage, MI 49024-1163.
- What is Jaan Douma's phone number?
- The practice phone number listed in the NPPES registry for Jaan Douma is (269) 321-7733.
- Does Jaan Douma accept Medicare?
- Jaan Douma is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jaan Douma's NPI active?
- Yes — Jaan Douma's NPI (1912059668) is active in the NPPES registry as of the last update on 2013-12-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.