Peter Pyagay, MD
Internal Medicine Physician · Chicago, IL
Peter Pyagay, MD is an internal medicine physician with a practice address in Chicago, Illinois, and NPI 1821616947, issued on Jul 7, 2020. Check the license (Illinois 125.077247, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Peter Pyagay
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 125.077247 IL
Self-reported in NPPES; status is on the state search - Practice location
- 2525 S Michigan Ave, Chicago, IL 60616
- Phone
- (312) 567-2000
- Enumerated
- Jul 7, 2020
- Record last updated
- Sep 1, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20250827001071); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,238 in Illinois → Look up another NPI →
Also registered at 2525 S Michigan Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Abu Abbasi, MDInternal Medicine Physician1083243877
- Lamies Abuakar, PHARMD.Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1659655181
- Muna Abdu Adem, MDInternal Medicine Physician1457238107
- Masooma AfridiStudent in an Organized Health Care Education/Training Program1346035581
- Suneil Agrawal, MDEmergency Medicine Physician1891948568
- Ismeal AhmedStudent in an Organized Health Care Education/Training Program1265373765
Verify Peter Pyagay 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 125.077247Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average internal medicine physician in 2024
278 Medicare Part D claims for 66 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium27 claims
- Donepezil Hcl14 claims
- Folic Acid13 claims
- Lisinopril13 claims
- Metoprolol Succinate13 claims
- Omeprazole11 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 one group practice
- Deaconess Illinois Crossroads IncMount Vernon, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Peter Pyagay among 7,238 internal medicine physician records in Illinois
Peter Pyagay, MD 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 2020, is newer than 71% of them.
- NPI issued2020 · 71% of these records are older, 26% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated1999 · median 2003 among the 3,580 with a school on file
- Record last updated2020 · 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).
2,867 internal medicine physician records list a practice address in Chicago
They are 2,867 of the 63,379 NPPES records with a practice address in Chicago, and 7,238 internal medicine physician records in Illinois.
All 7,238 in Illinois → Every provider in Chicago → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Nagib Ali, M.D.Chicago, IL 606161376529271
- Damon Arnold, M.D.Chicago, IL 606161689650962
- Farzana Begum, M.D.Chicago, IL 606161184616310
- Azmina Bhaiji, M.D.Chicago, IL 606161487689634
- Edward Bleier, MDChicago, IL 606161649256744
- Danny Choy, D.OChicago, IL 606161376526954
- Linus Ema, DOChicago, IL 606161891728010
- Juhyun Ha, M.D.Chicago, IL 606161811913395
Common questions
What is Peter Pyagay, MD's NPI number?
Peter Pyagay, MD's National Provider Identifier (NPI) is 1821616947, issued on Jul 7, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Peter Pyagay, MD located?
The NPPES record lists a practice address at 2525 S Michigan Ave, Chicago, IL, 60616. Phone: (312) 567-2000. Providers update this record themselves, so call before visiting.
How can I verify Peter Pyagay, MD's license?
NPPES lists Illinois license number 125.077247, 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 Peter Pyagay, MD prescribe under Medicare Part D?
In 2024, Peter Pyagay, MD had 278 Medicare Part D claims for 66 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.