NPPES file of Aug 9, 2026

John Lloyd Zinkel, MD, PHD

Neurological Surgery Physician · St Clair Shores, MI

John Lloyd Zinkel, MD, PHD is a neurological surgery physician with a practice address in St Clair Shores, Michigan, and NPI 1033174636, issued on Apr 18, 2006. Check the license (Michigan 4301048627, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1033174636
Name
John Lloyd Zinkel
Credential
MD, PHD
Primary taxonomy
Neurological Surgery Physician 207T00000X
License numbers
4301048627 MI
35 050159 OH
Self-reported in NPPES; status is on the state search
Practice location
21605 E 11 Mile RD, St Clair Shores, MI 48081
Phone
(586) 774-4600
Enumerated
Apr 18, 2006
Record last updated
Jun 14, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(586) 774-4603
Medicaid ID
2961425 MI
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 Lloyd Zinkel in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
    Search for license 4301048627
    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
Open the Michigan license search

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93% fewer Medicare Part D claims than the average neurological surgery physician in 2024

12 Medicare Part D claims, against an average of 172 among the 4,378 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. John Zinkel12
  2. Specialty average172

Most prescribed

  1. Levetiracetam11 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: $20.00

1 payment: education; the largest payer was Csl Behring. The 5,377 providers of this specialty with any payment received $14,925.58 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. John Zinkel$20
  2. Specialty average$14,926

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

John Lloyd Zinkel among 289 neurological surgery physician records in Michigan

John Lloyd Zinkel, MD, PHD is one of 289 neurological surgery physician records with a practice address in Michigan. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 6% of them.

  • NPI issued2006 · 6% of these records are older, 61% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileNo · 62% of these records are
  • Record last updated2021 · 51% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207T00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Neurological Surgery Physician providers in Michigan

There are 289 neurological surgery physician records in Michigan.

The 8 neurological surgery physician records with the nearest ZIP codes

  1. Amit Amit, M.DTroy, MI 480841306120498
  2. Jayant Jagannathan, MDTroy, MI 480841558578708
  3. Hepzibha Alexander, MDSouthfield, MI 480751164046660
  4. Daniel Carr, D.O.Southfield, MI 480751114285707
  5. Joshua Caskey, MDSouthfield, MI 480751508560210
  6. Chad Claus, D.O.Southfield, MI 480751134579451
  7. James Dragonette, MDSouthfield, MI 480751740806520
  8. Daniel Griepp, DOSouthfield, MI 480751134860547

Common questions

What is John Lloyd Zinkel, MD, PHD's NPI number?

John Lloyd Zinkel, MD, PHD's National Provider Identifier (NPI) is 1033174636, issued on Apr 18, 2006. An NPI identifies a provider in billing; it is not a license.

Where is John Lloyd Zinkel, MD, PHD located?

The NPPES record lists a practice address at 21605 E 11 Mile RD, St Clair Shores, MI, 48081. Phone: (586) 774-4600. Providers update this record themselves, so call before visiting.

How can I verify John Lloyd Zinkel, MD, PHD's license?

NPPES lists Michigan license number 4301048627, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does John Lloyd Zinkel, MD, PHD prescribe under Medicare Part D?

In 2024, John Lloyd Zinkel, MD, PHD had 12 Medicare Part D claims; the average among neurological surgery physician prescribers was 172. Part D covers Medicare prescriptions 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.