Mark Chatkin, DO
Psychiatry Physician · Arlington Heights, IL
Mark Chatkin, DO is a psychiatry physician with a practice address in Arlington Heights, Illinois, and NPI 1841812906, issued on May 12, 2020. Check the license (Illinois 036168558, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Mark Chatkin
- Credential
- DO
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License numbers
- 036168558 IL
125.076394 IL
Self-reported in NPPES; status is on the state search - Practice location
- 800 W Central RD, Arlington Heights, IL 60005
- Phone
- (847) 618-5075
- Enumerated
- May 12, 2020
- Record last updated
- May 20, 2024
- Fax
- (847) 618-3259
- Medicare enrollment
- Enrolled (PECOS I20240510000663); accepts Medicare assignment
- Medical or professional school
- Midwestern University, Chicago College Of Osteopathic Med, 2020
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 2,147 in Illinois → Look up another NPI →
Also registered at 800 W Central RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mark Chatkin 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 036168558Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average psychiatry physician in 2024
168 Medicare Part D claims for 29 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.
Most prescribed
- Quetiapine Fumarate21 claims
- Lithium Carbonate Er16 claims
- Fluoxetine Hcl15 claims
- Duloxetine Hcl13 claims
- Sertraline Hcl13 claims
- Aripiprazole12 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.
Bills Medicare through one group practice
- Endeavor Health Medical GroupEvanston, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark Chatkin among 2,147 psychiatry physician records in Illinois
Mark Chatkin, DO 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 2020, is newer than 81% of them.
- NPI issued2020 · 81% of these records are older, 16% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileYes · 41% of these records are
- Graduated2020 · 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 Arlington Heights → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Aliya Ali-Nazimuddin, D.O.Arlington Heights, IL 600051003062555
- Kiran Frey, M.D.Arlington Heights, IL 600051558583799
- Kunal Gandhi, MDArlington Heights, IL 600051316508682
- Karlene Goodman, MDArlington Heights, IL 600051285749077
- Shin Lee, M.D.Arlington Heights, IL 600051134581598
- Lakshmi Martin, M.D.Arlington Heights, IL 600051174523427
- Alexander Medvedev, M.D.Arlington Heights, IL 600051588893101
- Tahseen Mohammed, M.D.Arlington Heights, IL 600051013957604
Common questions
What is Mark Chatkin, DO's NPI number?
Mark Chatkin, DO's National Provider Identifier (NPI) is 1841812906, issued on May 12, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Mark Chatkin, DO located?
The NPPES record lists a practice address at 800 W Central RD, Arlington Heights, IL, 60005. Phone: (847) 618-5075. Providers update this record themselves, so call before visiting.
How can I verify Mark Chatkin, DO's license?
NPPES lists Illinois license number 036168558, 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 Mark Chatkin, DO prescribe under Medicare Part D?
In 2024, Mark Chatkin, DO had 168 Medicare Part D claims for 29 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.
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.