John Grgicak, D.C.
Chiropractor · Royal Oak, MI
John Grgicak, D.C. is a chiropractor with a practice address in Royal Oak, Michigan, and NPI 1528153103, issued on Oct 3, 2006. Check the license (Michigan JG008248, 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.
- Name
- John Grgicak
- Credential
- D.C.
- Primary taxonomy
- Chiropractor 111N00000X
- License number
- JG008248 MI
Self-reported in NPPES; status is on the state search - Practice location
- 716 West 11 Mile Road, Royal Oak, MI 48067
- Phone
- (248) 544-9009
- Enumerated
- Oct 3, 2006
- Record last updated
- Jul 9, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (248) 544-9002
- Medicare enrollment
- Enrolled (PECOS I20050621001118); accepts Medicare assignment
- Medical or professional school
- National College Of Chiropractic, 2000
- Entity
- Type 1 · individual
8 nearest chiropractor records → All 3,058 in Michigan → Look up another NPI →
Also registered at 716 West 11 Mile Road
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mike Paonessa, D.C.Chiropractor1972699783
Verify John Grgicak in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Michigan board licenses this profession
Search for license JG008248Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
John Grgicak among 3,058 chiropractor records in Michigan
John Grgicak, 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 not. Its NPI, issued in 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 60% newer
- In a Medicare fileNo · 25% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2000 · median 2005 among the 1,743 with a school on file
- Record last updated2007 · 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. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 3,058 in Michigan → Every provider in Royal Oak → Chiropractor nationwide →
The 8 chiropractor records with the nearest ZIP codes
- Jerry Aiello, DCRoyal Oak, MI 480671528000767
- Ashley Burmeister, D.C.Royal Oak, MI 480671063200806
- John Dickerson, D.C.Royal Oak, MI 480671700819679
- Allyson Grabowski, D.C.Royal Oak, MI 480671376674135
- Gregory Hill, DCRoyal Oak, MI 480671356097885
- Kevin Michaels, D.C.Royal Oak, MI 480671508096082
- Franklin Norton, DCRoyal Oak, MI 480671548650229
- Mike Paonessa, D.C.Royal Oak, MI 480671972699783
Common questions
What is John Grgicak, D.C.'s NPI number?
John Grgicak, D.C.'s National Provider Identifier (NPI) is 1528153103, issued on Oct 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Grgicak, D.C. located?
The NPPES record lists a practice address at 716 West 11 Mile Road, Royal Oak, MI, 48067. Phone: (248) 544-9009. Providers update this record themselves, so call before visiting.
How can I verify John Grgicak, D.C.'s license?
NPPES lists Michigan license number JG008248, 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.