Kathryn M. Singer, MD
Psychiatry Physician · Barrington, IL
Kathryn M. Singer, MD is a psychiatry physician with a practice address in Barrington, Illinois, and NPI 1942213889, issued on Aug 14, 2006. Check the license (Illinois 36111448, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Kathryn M. Singer
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 36111448 IL
Self-reported in NPPES; status is on the state search - Practice location
- 100 Fox Gln, Barrington, IL 60010
- Phone
- (847) 304-0781
- Enumerated
- Aug 14, 2006
- Record last updated
- Aug 3, 2023
- Fax
- (847) 304-2650
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 2,147 in Illinois → Look up another NPI →
Also registered at 100 Fox Gln
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sharyl Balkin, M.D.Psychiatry Physician1740396134
Verify Kathryn M. Singer 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 36111448Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
42% more Medicare Part D claims than the average psychiatry physician in 2024
1,416 Medicare Part D claims for 89 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims.
Most prescribed
- Lorazepam109 claims
- Bupropion Xl108 claims
- Alprazolam97 claims
- Dextroamphetamine-Amphetamine84 claims
- Clonazepam76 claims
- Fluoxetine Hcl65 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.
Kathryn M. Singer among 2,147 psychiatry physician records in Illinois
Kathryn M. Singer, MD 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 updated2023 · 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 Barrington → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Sharyl Balkin, M.D.Barrington, IL 600101740396134
- Marlene Casiano, M.D.Barrington, IL 600101821234907
- Vikramjit Gill, MDSouth Barrington, IL 600101639227374
- Amber Kazi, M.D.South Barrington, IL 600101780847020
- Lawrence Kerns, MDBarrington, IL 600101407966518
- Allen Kuo, DOBarrington, IL 600101255308565
- Vikas Manjunath, MDBarrington, IL 600101902549439
- Joanne Parks, M.D.Barrington, IL 600101619019148
Common questions
What is Kathryn M. Singer, MD's NPI number?
Kathryn M. Singer, MD's National Provider Identifier (NPI) is 1942213889, issued on Aug 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Kathryn M. Singer, MD located?
The NPPES record lists a practice address at 100 Fox Gln, Barrington, IL, 60010. Phone: (847) 304-0781. Providers update this record themselves, so call before visiting.
How can I verify Kathryn M. Singer, MD's license?
NPPES lists Illinois license number 36111448, 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 Kathryn M. Singer, MD prescribe under Medicare Part D?
In 2024, Kathryn M. Singer, MD had 1,416 Medicare Part D claims for 89 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.