Constantine G. Peters, D.O.
Hospitalist Physician · Palos Heights, IL
Constantine G. Peters, D.O. is a hospitalist physician with a practice address in Palos Heights, Illinois, and NPI 1114937562, issued on Aug 8, 2006. Check the license (Illinois 036107020, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Constantine G. Peters
- Credential
- D.O.
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License numbers
- 036107020 IL
OS17162 FL
Self-reported in NPPES; status is on the state search - Practice location
- 12251 S 80TH Ave, Palos Heights, IL 60463
- Phone
- (708) 923-4000
- Enumerated
- Aug 8, 2006
- Record last updated
- Jan 13, 2026
- Fax
- (708) 923-5859
- Medicaid IDs
- 110688200 FL
036107020 IL - Medicare enrollment
- Enrolled (PECOS I20040428000261); accepts Medicare assignment
- Medical or professional school
- Midwestern University, Chicago College Of Osteopathic Med, 1999
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 1,535 in Illinois → Look up another NPI →
Also registered at 12251 S 80TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Dario Aguilar, MDHospitalist Physician1306341995
- Anam Ahmed, M.D.Hospitalist Physician1598152704
- Tracy Ahmer, PTAPhysical Therapist1982363909
- Anwar Akhras, MDAnesthesiology Physician1942680640
- Ayman Alsharbini, DOCritical Care Medicine (Internal Medicine) Physician1780947077
Verify Constantine G. Peters 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 036107020Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
6% more Medicare Part D claims than the average hospitalist physician in 2024
554 Medicare Part D claims for 187 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. 24 claims were for opioids.
Most prescribed
- Metformin Hcl42 claims
- Januvia26 claims
- Jardiance26 claims
- Metoprolol Tartrate24 claims
- Levofloxacin22 claims
- Losartan Potassium22 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.
Bills Medicare through 2 group practices
- Central Dupage Physician GroupPalos Heights, IL
- Premier Inpatient Partners LLCNaples, FL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Constantine G. Peters among 1,535 hospitalist physician records in Illinois
Constantine G. Peters, D.O. is one of 1,535 hospitalist 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 2006, is newer than 1% of them.
- NPI issued2006 · 1% of these records are older, 88% newer
- In a Medicare fileYes · 92% of these records are
- In the CMS Doctors and Clinicians fileYes · 87% of these records are
- Graduated1999 · median 2013 among the 1,339 with a school on file
- Record last updated2026 · 32% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
53 hospitalist physician records list a practice address in Palos Heights
They are 53 of the 992 NPPES records with a practice address in Palos Heights, and 1,535 hospitalist physician records in Illinois.
All 1,535 in Illinois → Every provider in Palos Heights → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Chaher Alhandalous, M.D.Palos Heights, IL 604631053553859
- Abdurrahman Arif, MDPalos Heights, IL 604631144634239
- Rosemary Atta-Fynn, M.D.Palos Heights, IL 604631639307168
- Kailash Bajaj, MDPalos Heights, IL 604631538326012
- Beatrice Correa Rivera, M.D.Palos Heights, IL 604631487838546
- Romal Gandhi, MDPalos Heights, IL 604631659320950
- Puja Karanth, M.D.Palos Heights, IL 604631477831170
- Faris Khasawneh, MDPalos Heights, IL 604631831374594
Common questions
What is Constantine G. Peters, D.O.'s NPI number?
Constantine G. Peters, D.O.'s National Provider Identifier (NPI) is 1114937562, issued on Aug 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Constantine G. Peters, D.O. located?
The NPPES record lists a practice address at 12251 S 80TH Ave, Palos Heights, IL, 60463. Phone: (708) 923-4000. Providers update this record themselves, so call before visiting.
How can I verify Constantine G. Peters, D.O.'s license?
NPPES lists Illinois license number 036107020, 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 Constantine G. Peters, D.O. prescribe under Medicare Part D?
In 2024, Constantine G. Peters, D.O. had 554 Medicare Part D claims for 187 beneficiaries; the average among hospitalist physician prescribers was 521. 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.