NPPES file of Aug 9, 2026

John Eric Grenillo, DC

Chiropractor · Ann Arbor, MI

John Eric Grenillo, DC is a chiropractor with a practice address in Ann Arbor, Michigan, and NPI 1023210358, issued on May 31, 2007. Check the license (Michigan 2301007818, 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
1023210358
Name
John Eric Grenillo
Credential
DC
Primary taxonomy
Chiropractor 111N00000X
License number
2301007818 MI
Self-reported in NPPES; status is on the state search
Practice location
5740 Plymouth RD, Ann Arbor, MI 48105
Phone
(734) 213-5805
Enumerated
May 31, 2007
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(734) 213-5872
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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Verify John Eric Grenillo 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 2301007818    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
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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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Chiropractor providers in Michigan

There are 3,058 chiropractor records in Michigan. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 3,058 in Michigan → Every provider in Ann Arbor →

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 John Eric Grenillo, DC's NPI number?

John Eric Grenillo, DC's National Provider Identifier (NPI) is 1023210358, issued on May 31, 2007. An NPI identifies a provider in billing; it is not a license.

Where is John Eric Grenillo, DC located?

The NPPES record lists a practice address at 5740 Plymouth RD, Ann Arbor, MI, 48105. Phone: (734) 213-5805. Providers update this record themselves, so call before visiting.

How can I verify John Eric Grenillo, DC's license?

NPPES lists Michigan license number 2301007818, 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.