John Nicholas Kiriklakis, M.D.
Internal Medicine Physician · Vernon Hills, IL
John Nicholas Kiriklakis, M.D. is an internal medicine physician with a practice address in Vernon Hills, Illinois, and NPI 1730189713, issued on Jul 29, 2005. Check the license (Illinois 036-100938, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- John Nicholas Kiriklakis
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 036-100938 IL
Self-reported in NPPES; status is on the state search - Practice location
- 225 N Milwaukee Ave, Vernon Hills, IL 60061
- Phone
- (847) 941-7600
- Enumerated
- Jul 29, 2005
- Record last updated
- Feb 16, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (847) 941-7698
- Medicaid ID
- 036100938 IL
- Medicare enrollment
- Enrolled (PECOS I20060301000728); accepts Medicare assignment
- Medical or professional school
- Loyola University Of Chicago, Stritch School Of Medicine, 1997
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,238 in Illinois → Look up another NPI →
Also registered at 225 N Milwaukee Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Alan Aronson, MDInternal Medicine Physician1992864946
- Tara Atta, M.D.Cardiovascular Disease Physician1639166374
- Rachel Blumenthal, C.N.M.Advanced Practice Midwife1861618647
- Carl Buccellato, MDObstetrics & Gynecology Physician1265545446
- Carissa Devereux, PT, DPTPhysical Therapist1255056909
Verify John Nicholas Kiriklakis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036-100938Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% more Medicare Part D claims than the average internal medicine physician in 2024
6,110 Medicare Part D claims for 562 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 56 claims were for opioids.
Most prescribed
- Atorvastatin Calcium656 claims
- Amlodipine Besylate401 claims
- Levothyroxine Sodium264 claims
- Losartan Potassium212 claims
- Lisinopril198 claims
- Metformin Hcl155 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.
The MIPS final score for 2023 (Medicare payment program): 93.1 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Endeavor Health Medical GroupVernon Hills, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Nicholas Kiriklakis among 7,238 internal medicine physician records in Illinois
John Nicholas Kiriklakis, M.D. is one of 7,238 internal medicine physician records with a practice address in Illinois. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 93% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated1997 · median 2003 among the 3,580 with a school on file
- Record last updated2021 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
19 internal medicine physician records list a practice address in Vernon Hills
They are 19 of the 704 NPPES records with a practice address in Vernon Hills, and 7,238 internal medicine physician records in Illinois.
All 7,238 in Illinois → Every provider in Vernon Hills → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Rafa Adi, M.D.Vernon Hills, IL 600611205845054
- Nadeem Alavi, DOVernon Hills, IL 600611609934983
- Alan Aronson, MDVernon Hills, IL 600611992864946
- Howard Baker, D.O.Vernon Hills, IL 600611558326439
- Fanan Falouji, M.D.Vernon Hills, IL 600611306855481
- Vincent Fang, MDVernon Hills, IL 600611851450654
- Louis Kanter, MDVernon Hills, IL 600611366464281
- Inna Podoksik, MDVernon Hills, IL 600611679632129
Common questions
What is John Nicholas Kiriklakis, M.D.'s NPI number?
John Nicholas Kiriklakis, M.D.'s National Provider Identifier (NPI) is 1730189713, issued on Jul 29, 2005. An NPI identifies a provider in billing; it is not a license.
Where is John Nicholas Kiriklakis, M.D. located?
The NPPES record lists a practice address at 225 N Milwaukee Ave, Vernon Hills, IL, 60061. Phone: (847) 941-7600. Providers update this record themselves, so call before visiting.
How can I verify John Nicholas Kiriklakis, M.D.'s license?
NPPES lists Illinois license number 036-100938, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does John Nicholas Kiriklakis, M.D. prescribe under Medicare Part D?
In 2024, John Nicholas Kiriklakis, M.D. had 6,110 Medicare Part D claims for 562 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is John Nicholas Kiriklakis, M.D.'s MIPS final score?
The 2023 MIPS final score is 93.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.