Philip G. Janicak, M.D.
Psychiatry Physician · Naperville, IL
Philip G. Janicak, M.D. is a psychiatry physician with a practice address in Naperville, Illinois, and NPI 1891993754, issued on Jul 3, 2007. Check the license (Illinois 036-050070, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Philip G. Janicak
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 036-050070 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1335 N Mill St, Naperville, IL 60563
- Phone
- (630) 646-8000
- Enumerated
- Jul 3, 2007
- Record last updated
- Jan 31, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (630) 646-8007
- Medicare enrollment
- Enrolled (PECOS I20080112000112); accepts Medicare assignment
- Medical or professional school
- Loyola University Of Chicago, Stritch School Of Medicine, 1973
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 2,147 in Illinois → Look up another NPI →
Also registered at 1335 N Mill St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Maha Anwar, PA-CPhysician Assistant1437627494
- Nicolas Comeau, PSY.D.Clinical Psychologist1851865299
- Danielle Degrado, APN-CNPNurse Practitioner1942758776
- Jennifer Downs Sandack, LCPCProfessional Counselor1225320195
- Antoinette Golab KruglerSocial Worker1780323378
- Deirdre HartnettPsychiatric/Mental Health Nurse Practitioner1639547672
Verify Philip G. Janicak 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 036-050070Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average psychiatry physician in 2024
30 Medicare Part D claims, against an average of 1,000 among the 35,054 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.
The MIPS final score for 2023 (Medicare payment program): 94.1 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
- Northwestern Medical Faculty FoundationChicago, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Philip G. Janicak among 2,147 psychiatry physician records in Illinois
Philip G. Janicak, M.D. is one of 2,147 psychiatry physician records with a practice address in Illinois. 69% 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 35% of them.
- NPI issued2007 · 35% of these records are older, 50% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileYes · 41% of these records are
- Graduated1973 · median 2004 among the 877 with a school on file
- Record last updated2017 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychiatry Physician providers in Illinois
There are 2,147 psychiatry physician records in Illinois.
All 2,147 in Illinois → Every provider in Naperville → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Riaz Baber, M.D.Naperville, IL 605631740365808
- Sachin Bhalerao, D.O.Naperville, IL 605631083759344
- Manjinder Brar, MDNaperville, IL 605631174789663
- James Daly, M.D.Naperville, IL 605631770678880
- Sandeep Gaonkar, M.D.Naperville, IL 605631124084967
- Balamoorti Gaonkar, M.D.Naperville, IL 605631427014760
- Christine Michaud, M.D.Naperville, IL 605631831389907
- Petrit Ndrio, M.D.Naperville, IL 605631861432635
Common questions
What is Philip G. Janicak, M.D.'s NPI number?
Philip G. Janicak, M.D.'s National Provider Identifier (NPI) is 1891993754, issued on Jul 3, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Philip G. Janicak, M.D. located?
The NPPES record lists a practice address at 1335 N Mill St, Naperville, IL, 60563. Phone: (630) 646-8000. Providers update this record themselves, so call before visiting.
How can I verify Philip G. Janicak, M.D.'s license?
NPPES lists Illinois license number 036-050070, 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 Philip G. Janicak, M.D. prescribe under Medicare Part D?
In 2024, Philip G. Janicak, M.D. had 30 Medicare Part D claims; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions only.
What is Philip G. Janicak, M.D.'s MIPS final score?
The 2023 MIPS final score is 94.1 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.