Steven Richard Mershon, M.D.
Psychiatry Physician · Glenview, IL
Steven Richard Mershon, M.D. is a psychiatry physician with a practice address in Glenview, Illinois, and NPI 1265440846, issued on Aug 3, 2006. Check the license on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Steven Richard Mershon
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- Practice location
- 1500 Waukegan RD Ste 213, Glenview, IL 60025
- Phone
- (847) 998-5556
- Enumerated
- Aug 3, 2006
- Record last updated
- Sep 11, 2025
- Fax
- (847) 998-9156
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 2,147 in Illinois → Look up another NPI →
Also registered at 1500 Waukegan RD Ste 213
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Valentina Dehghan-Bernabe, M.D.Psychiatry Physician1780023721
- Christopher Lynn, NPPsychiatric/Mental Health Nurse Practitioner1922479617
Verify Steven Richard Mershon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional RegulationCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average psychiatry physician in 2024
18 Medicare Part D claims, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.
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.
Steven Richard Mershon among 2,147 psychiatry physician records in Illinois
Steven Richard Mershon, 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 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 65% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileNo · 41% of these records are
- Record last updated2025 · 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 Glenview → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Valentina Dehghan-Bernabe, M.D.Glenview, IL 600251780023721
- Dennis Gelyana, M.D, M.P.HGlenview, IL 600251871600429
- Terry Hanusa, MDGlenview, IL 600251144253873
- Howard Herman, M.D.Glenview, IL 600251154329274
- Donald Kerste, M.D.Glenview, IL 600251699077826
- Doris St. Clair, M.D.Glenview, IL 600251063821536
- Nasir Syed, M.D.Glenview, IL 600251942330576
- Robert Bloom, M.D.Glenview, IL 600261609850932
Common questions
What is Steven Richard Mershon, M.D.'s NPI number?
Steven Richard Mershon, M.D.'s National Provider Identifier (NPI) is 1265440846, issued on Aug 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Steven Richard Mershon, M.D. located?
The NPPES record lists a practice address at 1500 Waukegan RD Ste 213, Glenview, IL, 60025. Phone: (847) 998-5556. Providers update this record themselves, so call before visiting.
How can I verify Steven Richard Mershon, M.D.'s license?
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 Steven Richard Mershon, M.D. prescribe under Medicare Part D?
In 2024, Steven Richard Mershon, M.D. had 18 Medicare Part D claims; 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.
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.