Michael Greiner, NP-C, D.C.
Chiropractor · Warren, MI
Michael Greiner, NP-C, D.C. is a chiropractor with a practice address in Warren, Michigan, and NPI 1942452453, issued on Oct 15, 2008. Check the license with the Michigan board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Michael Greiner
- Credential
- NP-C, D.C.
- Primary taxonomy
- Chiropractor 111N00000X
- Practice location
- 2243 E 12 Mile RD, Warren, MI 48092
- Phone
- (586) 573-8100
- Enumerated
- Oct 15, 2008
- Entity
- Type 1 · individual
Also registered at 2243 E 12 Mile RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Michael Greiner in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Michigan board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
29% fewer Medicare Part D claims than the average chiropractor in 2024
639 Medicare Part D claims for 219 beneficiaries, against an average of 906 among the 308 providers of this specialty who prescribed in Part D. 243 claims were for opioids.
Most prescribed
- Tizanidine Hcl95 claims
- Hydrocodone-Acetaminophen92 claims
- Oxycodone-Acetaminophen83 claims
- Diclofenac Sodium64 claims
- Gabapentin60 claims
- Cyclobenzaprine Hcl43 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $180.45
4 payments, mostly food and beverage; the largest payer was Abbott Laboratories. The 1,620 providers of this specialty with any payment received $366.66 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
One hospital or facility affiliation
- Medcare IncWarren, MI
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
38 chiropractor records list a Warren practice address
They are 38 of the 2,799 NPPES records with a Warren practice address, and 3,052 chiropractor records in Michigan.
All 38 in Warren → All 3,052 in Michigan → Every provider in Warren →
Other chiropractor records in Michigan
- Paul Aalderink, D.C.Zeeland, MI1710039920
- Wayne Aamodt, D.C.Grand Rapids, MI1710975370
- Amy Abbott, D.C.Dorr, MI1184795403
- William Abbott, D.C.Northville, MI1215094420
- Ibrahim Abdel-JawadDearborn, MI1871666594
- Mazin Abdelmalek, DCBurton, MI1871703389
- Kinan Abdul Baki, D.C.Canton, MI1215634944
- Zeyad AbdullahNovi, MI1770207003
- Tony Aboudib, DCTraverse City, MI1043373343
- Jessica Abram, DCPort Huron, MI1659091411
Common questions
What is Michael Greiner, NP-C, D.C.'s NPI number?
Michael Greiner, NP-C, D.C.'s National Provider Identifier (NPI) is 1942452453, issued on Oct 15, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Michael Greiner, NP-C, D.C. located?
The NPPES record lists a practice address at 2243 E 12 Mile RD, Warren, MI, 48092. Phone: (586) 573-8100. Providers update this record themselves, so call before visiting.
How can I verify Michael Greiner, NP-C, D.C.'s license?
Search the Michigan board that licenses this profession; the NPPES record confirms identity only.
How much does Michael Greiner, NP-C, D.C. prescribe under Medicare Part D?
In 2024, Michael Greiner, NP-C, D.C. had 639 Medicare Part D claims for 219 beneficiaries; the average among chiropractor prescribers was 906. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.