NPPES file of Aug 9, 2026

Mehmet Sipahi, MD

Medical Oncology Physician · Bourbonnais, IL

Mehmet Sipahi, MD is a medical oncology physician with a practice address in Bourbonnais, Illinois, and NPI 1467556837, issued on Sep 7, 2006. Check the license (Illinois 036070341, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1467556837
Name
Mehmet Sipahi
Credential
MD
Primary taxonomy
Medical Oncology Physician 207RX0202X
License number
036070341 IL
Self-reported in NPPES; status is on the state search
Practice location
200 Riverside Dr, Bourbonnais, IL 60914
Phone
(815) 933-9660
Enumerated
Sep 7, 2006
Record last updated
Mar 29, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(815) 929-0014
Medicaid ID
036070341 IL
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 200 Riverside Dr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Alan Coon, M.D., PH.D.Radiation Oncology Physician1245496025
  2. Alex Herskovic, M.D.Radiation Oncology Physician1093069528
  3. Cassandra Lacher, DOMedical Oncology Physician1467746651
  4. Shannon Male, FNP-BCFamily Nurse Practitioner1396246401
  5. Tammy McClellan, PHARMDPharmacist1649826660
  6. Issra Rashed, MDRadiation Oncology Physician1891045431

Verify Mehmet Sipahi in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
    Search for license 036070341
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Illinois license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Industry payments in 2024: $35.52

1 payment: food and beverage; the largest payer was Novo Nordisk Inc. The 3,343 providers of this specialty with any payment received $11,773.47 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Mehmet Sipahi$36
  2. Specialty average$11,773

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Mehmet Sipahi among 182 medical oncology physician records in Illinois

Mehmet Sipahi, MD is one of 182 medical oncology physician records with a practice address in Illinois. 83% 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 11% of them.

  • NPI issued2006 · 11% of these records are older, 43% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileNo · 73% of these records are
  • Record last updated2021 · 52% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RX0202X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Medical Oncology Physician providers in Illinois

There are 182 medical oncology physician records in Illinois.

The 8 medical oncology physician records with the nearest ZIP codes

  1. Cassandra Lacher, DOBourbonnais, IL 609141467746651
  2. Ahsan Basha, MDWatseka, IL 609701043283849
  3. Alhareth Alsayed, M.DSterling, IL 610811447601059
  4. Hosne Begum, MDRockford, IL 611031508942202
  5. Meraj Aziz, MDRockford, IL 611081689134017
  6. Alyssa Ceilesh, D.O.Rockford, IL 611081407273774
  7. Kent Hoskins, M.D.Rockford, IL 611081255363529
  8. Mete Korkmaz, M.D.Rockford, IL 611081902833999

Common questions

What is Mehmet Sipahi, MD's NPI number?

Mehmet Sipahi, MD's National Provider Identifier (NPI) is 1467556837, issued on Sep 7, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Mehmet Sipahi, MD located?

The NPPES record lists a practice address at 200 Riverside Dr, Bourbonnais, IL, 60914. Phone: (815) 933-9660. Providers update this record themselves, so call before visiting.

How can I verify Mehmet Sipahi, MD's license?

NPPES lists Illinois license number 036070341, 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.