John Joseph McGillen, M.D.
Specialist · Lake Forest, IL
John Joseph McGillen, M.D. is a specialist with a practice address in Lake Forest, Illinois, and NPI 1427108869, issued on Jan 10, 2007. Check the license with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- John Joseph McGillen
- Credential
- M.D.
- Primary taxonomy
- Specialist 174400000X
- Practice location
- 1655 Cornell CT, Lake Forest, IL 60045
- Phone
- (847) 295-7975
- Enumerated
- Jan 10, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest specialist records → All 1,154 in Illinois → Look up another NPI →
Verify John Joseph McGillen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois 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
98% fewer Medicare Part D claims than the average specialist in 2024
34 Medicare Part D claims, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D.
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.
John Joseph McGillen among 1,154 specialist records in Illinois
John Joseph McGillen, M.D. is one of 1,154 specialist records with a practice address in Illinois. 19% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 42% of them.
- NPI issued2007 · 42% of these records are older, 37% newer
- In a Medicare fileYes · 19% of these records are
- In the CMS Doctors and Clinicians fileNo · 11% of these records are
- Record last updated2007 · 84% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
10 specialist records list a practice address in Lake Forest
They are 10 of the 821 NPPES records with a practice address in Lake Forest, and 1,154 specialist records in Illinois.
All 1,154 in Illinois → Every provider in Lake Forest → Specialist nationwide →
The 8 specialist records with the nearest ZIP codes
- Superman Berrow, MS, ATC, CESLake Forest, IL 600451902218209
- Mark Blitstein, M.D.Lake Forest, IL 600451922086560
- Richard Block, MDLake Forest, IL 600451851357206
- Ann Davidsen, OTR/LLake Forest, IL 600451982832382
- James Jupa, M.D.,Lake Forest, IL 600451437162278
- Sharon Meekma, MS OTR/LLake Forest, IL 600451881823995
- Adam Romeiser, M.D.Lake Forest, IL 600451386768836
- Rosamaria Slominski, PTLake Forest, IL 600451417157835
Common questions
What is John Joseph McGillen, M.D.'s NPI number?
John Joseph McGillen, M.D.'s National Provider Identifier (NPI) is 1427108869, issued on Jan 10, 2007. An NPI identifies a provider in billing; it is not a license.
Where is John Joseph McGillen, M.D. located?
The NPPES record lists a practice address at 1655 Cornell CT, Lake Forest, IL, 60045. Phone: (847) 295-7975. Providers update this record themselves, so call before visiting.
How can I verify John Joseph McGillen, M.D.'s license?
Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does John Joseph McGillen, M.D. prescribe under Medicare Part D?
In 2024, John Joseph McGillen, M.D. had 34 Medicare Part D claims; the average among specialist prescribers was 1,380. 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.