Peter Borek, MD
Internal Medicine Physician · Ottawa, IL
Peter Borek, MD is an internal medicine physician with a practice address in Ottawa, Illinois, and NPI 1962176081, issued on Aug 3, 2021. Check the license (Illinois 036172105, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Peter Borek
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 036172105 IL
LP05414 RI
Self-reported in NPPES; status is on the state search - Practice location
- 1100 E Norris Dr, Ottawa, IL 61350
- Phone
- (815) 433-3100
- Enumerated
- Aug 3, 2021
- Entity
- Type 1 · individual
Also registered at 1100 E Norris Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Drew Anderson, LCSWClinical Social Worker1427125376
- Ania AniolStudent in an Organized Health Care Education/Training Program1689170003
- Janell Armstrong, PTPhysical Therapist1992059851
- Valerie Arwood, LCSWClinical Social Worker1659809580
- Hailey Backes, SLPSpeech-Language Pathologist1811629538
- Athar Baig, MDStudent in an Organized Health Care Education/Training Program1649852492
Verify Peter Borek 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 036172105Check 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
243 Medicare Part D claims for 52 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.
Most prescribed
- Amlodipine Besylate30 claims
- Atorvastatin Calcium17 claims
- Clonidine13 claims
- Rivastigmine13 claims
- Metoprolol Succinate12 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.
Industry payments in 2024: $164.76
4 payments, mostly food and beverage; the largest payer was Inari Medical, Inc.. The 65,274 providers of this specialty with any payment received $2,536.66 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
One hospital or facility affiliation
- 24 ON Physicians PCOttawa, IL
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
11 internal medicine physician records list a Ottawa practice address
They are 11 of the 334 NPPES records with a Ottawa practice address, and 8,522 internal medicine physician records in Illinois.
All 11 in Ottawa → All 8,522 in Illinois → Every provider in Ottawa →
Other internal medicine physician records in Illinois
- Peter Abadeer, D.O.Bloomington, IL1760469522
- Pamela Abadi, D.O.Winfield, IL1588820179
- Motaz Abas, MDPeoria, IL1215510201
- Elias Abate, M.D.Chicago, IL1336712199
- Maliha Abbas, D.O.Chicago, IL1174963920
- Zareena Abbas, MDChicago, IL1427078872
- Abu Abbasi, MDChicago, IL1083243877
- Ayesha Abbasi, MDChicago, IL1376216705
- Khalda Abbasi, MDNaperville, IL1487705240
- Misha Abbasi, MDChicago, IL1770111635
Common questions
What is Peter Borek, MD's NPI number?
Peter Borek, MD's National Provider Identifier (NPI) is 1962176081, issued on Aug 3, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Peter Borek, MD located?
The NPPES record lists a practice address at 1100 E Norris Dr, Ottawa, IL, 61350. Phone: (815) 433-3100. Providers update this record themselves, so call before visiting.
How can I verify Peter Borek, MD's license?
NPPES lists Illinois license number 036172105, 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 Borek, MD prescribe under Medicare Part D?
In 2024, Peter Borek, MD had 243 Medicare Part D claims for 52 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.