NPPES file of Aug 9, 2026

Denise Monahan, M.D.

Surgical Oncology Physician · Lake Forest, IL

Denise Monahan, M.D. is a surgical oncology physician with a practice address in Lake Forest, Illinois, and NPI 1114170289, issued on Nov 2, 2008. Check the license (Illinois 036130761, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1114170289
Name
Denise Monahan
Credential
M.D.
Primary taxonomy
Surgical Oncology Physician 2086X0206X
License number
036130761 IL
Self-reported in NPPES; status is on the state search
Practice location
660 N Westmoreland RD, Lake Forest, IL 60045
Phone
(847) 582-6029
Enumerated
Nov 2, 2008
Record last updated
Nov 17, 2016 (not updated in 10 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20120712000576); accepts Medicare assignment
Medical or professional school
University Of Miami, Lm Miller School Of Medicine, 2007
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 660 N Westmoreland RD

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

  1. Kathleen Abernathy, R.D., L.D.N.Registered Dietitian1295020063
  2. Sushma Anand, D.O.Obstetrics & Gynecology Physician1285950352
  3. Michael Ankin, M.D.Pulmonary Disease Physician1922117878
  4. Kristen Ballard, PT, DPTPhysical Therapist1700070497
  5. Amy Barnard, APNCritical Care Medicine Clinical Nurse Specialist1023420163
  6. Christina Baron, R.D.Registered Dietitian1770879397

Verify Denise Monahan 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 036130761
    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

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62% fewer Medicare Part D claims than the average surgical oncology physician in 2024

33 Medicare Part D claims for 28 beneficiaries, against an average of 87 among the 1,237 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 22 claims were for opioids.

  1. Denise Monahan33
  2. Specialty average87

Most prescribed

  1. Hydrocodone-Acetaminophen20 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.

The MIPS final score for 2023 (Medicare payment program): 94.1 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score82.6
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Northwestern Medical Faculty FoundationLake Forest, IL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Denise Monahan among 71 surgical oncology physician records in Illinois

Denise Monahan, M.D. is one of 71 surgical 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 2008, is newer than 45% of them.

  • NPI issued2008 · 45% of these records are older, 38% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 77% of these records are
  • Graduated2007 · median 2005 among the 55 with a school on file
  • Record last updated2016 · 39% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2086X0206X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Surgical Oncology Physician providers in Illinois

There are 71 surgical oncology physician records in Illinois.

The 8 surgical oncology physician records with the nearest ZIP codes

  1. Sonya Sharpless, M.D.Lake Forest, IL 600451396739280
  2. Helene Sterbling, MDLibertyville, IL 600481144726951
  3. Elizabeth Poli, M.D.Highland Park, IL 600351316351539
  4. William Royster, MD, PHDPark Ridge, IL 600681093160855
  5. Myles Cunningham, MDWinnetka, IL 600931205093697
  6. Katherine Hansen, DOGeneva, IL 601341235360553
  7. Claudia Perez, D.O.Maywood, IL 601531457568016
  8. Chantal Reyna, M.D.Maywood, IL 601531902067697

Common questions

What is Denise Monahan, M.D.'s NPI number?

Denise Monahan, M.D.'s National Provider Identifier (NPI) is 1114170289, issued on Nov 2, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Denise Monahan, M.D. located?

The NPPES record lists a practice address at 660 N Westmoreland RD, Lake Forest, IL, 60045. Phone: (847) 582-6029. Providers update this record themselves, so call before visiting.

How can I verify Denise Monahan, M.D.'s license?

NPPES lists Illinois license number 036130761, 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 Denise Monahan, M.D. prescribe under Medicare Part D?

In 2024, Denise Monahan, M.D. had 33 Medicare Part D claims for 28 beneficiaries; the average among surgical oncology physician prescribers was 87. Part D covers Medicare prescriptions only.

What is Denise Monahan, M.D.'s MIPS final score?

The 2023 MIPS final score is 94.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.

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.