NPPES file of Aug 9, 2026

Gregory William Logan, D.C.

Chiropractor · Ann Arbor, MI

Gregory William Logan, D.C. is a chiropractor with a practice address in Ann Arbor, Michigan, and NPI 1740721646, issued on Mar 13, 2017. Check the license (Michigan M637080, as entered in NPPES) with the Michigan board that licenses this profession; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1740721646
Name
Gregory William Logan
Credential
D.C.
Primary taxonomy
Chiropractor 111N00000X
License number
M637080 MI
Self-reported in NPPES; status is on the state search
Practice location
6276 Jackson RD Ste K, Ann Arbor, MI 48103
Phone
(734) 660-5869
Enumerated
Mar 13, 2017
Record last updated
Feb 21, 2025
Medicare enrollment
Enrolled (PECOS I20170411001097); accepts Medicare assignment
Medical or professional school
Palmer College Chiropractic - Davenport, 2016
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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Verify Gregory William Logan 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 M637080
    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

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

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Bills Medicare through one group practice

  1. Gregory W Logan DCAnn Arbor, MI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Gregory William Logan among 3,058 chiropractor records in Michigan

Gregory William Logan, D.C. is one of 3,058 chiropractor records with a practice address in Michigan. 25% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 80% of them.

  • NPI issued2017 · 80% of these records are older, 18% newer
  • In a Medicare fileYes · 25% of these records are
  • In the CMS Doctors and Clinicians fileYes · 57% of these records are
  • Graduated2016 · median 2005 among the 1,743 with a school on file
  • Record last updated2025 · 74% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 111N00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Chiropractor providers in Michigan

There are 3,058 chiropractor records in Michigan.

The 8 chiropractor records with the nearest ZIP codes

  1. Diane Babalas, D.C.Ann Arbor, MI 481031528163482
  2. Tamara Christiansen, D.C.Ann Arbor, MI 481031831241108
  3. Donna Craft, DCAnn Arbor, MI 481031427050335
  4. Daniel Geck, D.C.Ann Arbor, MI 481031982653218
  5. Janet Ho, DCAnn Arbor, MI 481031184666976
  6. Kimberly Jackson, DCAnn Arbor, MI 481031972543189
  7. Robert Koliner, D.C.Ann Arbor, MI 481031689730699
  8. Jonathan Lazar, D.C.Ann Arbor, MI 481031629234356

Common questions

What is Gregory William Logan, D.C.'s NPI number?

Gregory William Logan, D.C.'s National Provider Identifier (NPI) is 1740721646, issued on Mar 13, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Gregory William Logan, D.C. located?

The NPPES record lists a practice address at 6276 Jackson RD Ste K, Ann Arbor, MI, 48103. Phone: (734) 660-5869. Providers update this record themselves, so call before visiting.

How can I verify Gregory William Logan, D.C.'s license?

NPPES lists Michigan license number M637080, 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. Medicare files from data.cms.gov. 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.