Peter John Psihos, DO
Critical Care Medicine (Internal Medicine) Physician · Arlington Heights, IL
Peter John Psihos, DO is a critical care medicine (internal medicine) physician with a practice address in Arlington Heights, Illinois, and NPI 1225392368, issued on Jul 3, 2012. Check the license (Illinois 036149054, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Peter John Psihos
- Credential
- DO
- Primary taxonomy
- Critical Care Medicine (Internal Medicine) Physician 207RC0200X
- License number
- 036149054 IL
Self-reported in NPPES; status is on the state search - Practice location
- 800 W. Central RD., Arlington Heights, IL 60005
- Phone
- (847) 618-7301
- Enumerated
- Jul 3, 2012
- Record last updated
- Jan 5, 2026
- Fax
- (847) 618-7319
- Medicare enrollment
- Enrolled (PECOS I20191028001474); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest critical care medicine (internal medicine) physician records → All 281 in Illinois → Look up another NPI →
Also registered at 800 W. Central RD.
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Aurelian Ivan, M.D.Hospitalist Physician1841467743
- Anne Sarwark, MDAnesthesiology Physician1306308028
Verify Peter John Psihos 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 036149054Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through 2 group practices
- Critical Care Physicians OF Illinois LLCArlington Heights, IL
- Endeavor Health Medical GroupEvanston, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Peter John Psihos among 281 critical care medicine (internal medicine) physician records in Illinois
Peter John Psihos, DO is one of 281 critical care medicine (internal medicine) physician records with a practice address in Illinois. 92% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 54% of them.
- NPI issued2012 · 54% of these records are older, 41% newer
- In a Medicare fileYes · 92% of these records are
- In the CMS Doctors and Clinicians fileYes · 80% of these records are
- Graduated2012 · median 2008 among the 226 with a school on file
- Record last updated2026 · 22% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0200X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Critical Care Medicine (Internal Medicine) Physician providers in Illinois
There are 281 critical care medicine (internal medicine) physician records in Illinois.
All 281 in Illinois → Every provider in Arlington Heights → Critical Care Medicine (Internal Medicine) Physician nationwide →
The 8 critical care medicine (internal medicine) physician records with the nearest ZIP codes
- Christina Burke, DOArlington Heights, IL 600051104320191
- Rajeshwari Chavda, MDArlington Heights, IL 600051083679963
- Kenneth Cruz, MDArlington Heights, IL 600051598705196
- Megan Fisher, MDArlington Heights, IL 600051285291872
- Elizabeth Hanson, MDArlington Heights, IL 600051497216766
- John Shanley, M.D.Arlington Heights, IL 600051003955618
- Jeffrey Zilberstein, MDArlington Heights, IL 600051821124033
- Guy Dugan, MDElk Grove Village, IL 600071821041559
Common questions
What is Peter John Psihos, DO's NPI number?
Peter John Psihos, DO's National Provider Identifier (NPI) is 1225392368, issued on Jul 3, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Peter John Psihos, DO located?
The NPPES record lists a practice address at 800 W. Central RD., Arlington Heights, IL, 60005. Phone: (847) 618-7301. Providers update this record themselves, so call before visiting.
How can I verify Peter John Psihos, DO's license?
NPPES lists Illinois license number 036149054, 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.
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.