Quentin Guillory, MD
Psychiatry Physician · Springfield, IL
Quentin Guillory, MD is a psychiatry physician with a practice address in Springfield, Illinois, and NPI 1881370773, issued on Jun 26, 2023. Check the license (Illinois 125081524, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Quentin Guillory
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 125081524 IL
Self-reported in NPPES; status is on the state search - Practice location
- 319 E. Madison Street 3RD Floor, Springfield, IL 62701
- Phone
- (217) 545-7627
- Enumerated
- Jun 26, 2023
- Record last updated
- Jun 26, 2023
- Fax
- (217) 545-2275
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 2,147 in Illinois → Look up another NPI →
Verify Quentin Guillory 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 125081524Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average psychiatry physician in 2024
67 Medicare Part D claims for 18 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
Quentin Guillory among 2,147 psychiatry physician records in Illinois
Quentin Guillory, 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 2023, is newer than 91% of them.
- NPI issued2023 · 91% of these records are older, 6% 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).
96 psychiatry physician records list a practice address in Springfield
They are 96 of the 4,997 NPPES records with a practice address in Springfield, and 2,147 psychiatry physician records in Illinois.
All 2,147 in Illinois → Every provider in Springfield → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Patrick Abler, DOSpringfield, IL 627011770158537
- Ashima Datey Chakrabarty, MDSpringfield, IL 627011669992343
- James Haliburton, MDSpringfield, IL 627011063737021
- Francesco IncandelaSpringfield, IL 627011871153262
- Mitul Kadakia, DOSpringfield, IL 627011497246243
- Kalyan Kandra, M.B.B.S.Springfield, IL 627011437533098
- Kristen Lu, MDSpringfield, IL 627011790346682
- Melissa MahoneySpringfield, IL 627011700344678
Common questions
What is Quentin Guillory, MD's NPI number?
Quentin Guillory, MD's National Provider Identifier (NPI) is 1881370773, issued on Jun 26, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Quentin Guillory, MD located?
The NPPES record lists a practice address at 319 E. Madison Street 3RD Floor, Springfield, IL, 62701. Phone: (217) 545-7627. Providers update this record themselves, so call before visiting.
How can I verify Quentin Guillory, MD's license?
NPPES lists Illinois license number 125081524, 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 Quentin Guillory, MD prescribe under Medicare Part D?
In 2024, Quentin Guillory, MD had 67 Medicare Part D claims for 18 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.