NPPES file of Aug 9, 2026

Kevin Gerard Masterson, M.D.

Psychiatry Physician · Naperville, IL

Kevin Gerard Masterson, M.D. is a psychiatry physician with a practice address in Naperville, Illinois, and NPI 1962881318, issued on May 19, 2015. Check the license (Illinois 036165554, 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
1962881318
Name
Kevin Gerard Masterson
Credential
M.D.
Primary taxonomy
Psychiatry Physician 2084P0800X
License numbers
036165554 IL
11018125A IL
01078057A IN
Self-reported in NPPES; status is on the state search
Practice location
1335 N Mill St Ste 100, Naperville, IL 60563
Phone
(847) 982-6710
Enumerated
May 19, 2015
Record last updated
May 30, 2024
Medicaid ID
201295060 IN
Medicare enrollment
Enrolled (PECOS I20240522000609); accepts Medicare assignment
Medical or professional school
Indiana University School Of Medicine, 2015
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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8 nearest psychiatry physician records → All 2,147 in Illinois → Look up another NPI →

Also registered at 1335 N Mill St Ste 100

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

  1. Courtney Alvarez, APN-CNPNurse Practitioner1841784139
  2. Martin Beirne, LCPCProfessional Counselor1649547936
  3. Sachin Bhalerao, D.O.Psychiatry Physician1083759344
  4. Mary Briegel, LCSWClinical Social Worker1417269077
  5. Marc Browning, PSY.DClinical Psychologist1679887202
  6. Gina Crovetti, LCPCProfessional Counselor1033740071

Verify Kevin Gerard Masterson 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 036165554    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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48% fewer Medicare Part D claims than the average psychiatry physician in 2024

518 Medicare Part D claims for 48 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.

  1. Kevin Masterson518
  2. Specialty average1,000

Most prescribed

  1. Trazodone Hcl44 claims
  2. Diazepam33 claims
  3. Quetiapine Fumarate29 claims
  4. Aripiprazole26 claims
  5. Sertraline Hcl26 claims
  6. Bupropion Xl25 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: $44.82

2 payments; by number, the most common kind was food and beverage; the largest payer was Indivior Inc. The 13,693 providers of this specialty with any payment received $4,954.93 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Kevin Masterson$44.82
  2. Specialty average$4,954.93

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

Bills Medicare through one group practice

  1. Endeavor Health Medical GroupEvanston, IL

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

Kevin Gerard Masterson among 2,147 psychiatry physician records in Illinois

Kevin Gerard Masterson, M.D. is one of 2,147 psychiatry physician records with a practice address in Illinois. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 68% of them.

  • NPI issued2015 · 68% of these records are older, 30% newer
  • In a Medicare fileYes · 69% of these records are
  • In the CMS Doctors and Clinicians fileYes · 41% of these records are
  • Graduated2015 · median 2004 among the 877 with a school on file
  • Record last updated2024 · 53% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Psychiatry Physician providers in Illinois

There are 2,147 psychiatry physician records in Illinois.

All 2,147 in Illinois → Every provider in Naperville → Psychiatry Physician nationwide →

The 8 psychiatry physician records with the nearest ZIP codes

  1. Riaz Baber, M.D.Naperville, IL 605631740365808
  2. Sachin Bhalerao, D.O.Naperville, IL 605631083759344
  3. Manjinder Brar, MDNaperville, IL 605631174789663
  4. James Daly, M.D.Naperville, IL 605631770678880
  5. Sandeep Gaonkar, M.D.Naperville, IL 605631124084967
  6. Balamoorti Gaonkar, M.D.Naperville, IL 605631427014760
  7. Philip Janicak, M.D.Naperville, IL 605631891993754
  8. Christine Michaud, M.D.Naperville, IL 605631831389907

Common questions

What is Kevin Gerard Masterson, M.D.'s NPI number?

Kevin Gerard Masterson, M.D.'s National Provider Identifier (NPI) is 1962881318, issued on May 19, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Kevin Gerard Masterson, M.D. located?

The NPPES record lists a practice address at 1335 N Mill St Ste 100, Naperville, IL, 60563. Phone: (847) 982-6710. Providers update this record themselves, so call before visiting.

How can I verify Kevin Gerard Masterson, M.D.'s license?

NPPES lists Illinois license number 036165554, 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 Kevin Gerard Masterson, M.D. prescribe under Medicare Part D?

In 2024, Kevin Gerard Masterson, M.D. had 518 Medicare Part D claims for 48 beneficiaries; the average among psychiatry physician prescribers was 1,000. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.