Ramon Marquez, M.D.
Psychiatry Physician · Dekalb, IL
Ramon Marquez, M.D. is a psychiatry physician with a practice address in Dekalb, Illinois, and NPI 1689763419, issued on Oct 12, 2006. Check the license (Illinois 036116692, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Ramon Marquez
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 036116692 IL
Self-reported in NPPES; status is on the state search - Practice location
- 147 N 2ND St, Dekalb, IL 60115
- Phone
- (815) 217-0155
- Enumerated
- Oct 12, 2006
- Record last updated
- Oct 13, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (815) 217-0185
- Medicaid ID
- 036116692 IL
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 2,147 in Illinois → Look up another NPI →
Also registered at 147 N 2ND St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Judy Bergsmith, RN-IBCLCLactation Consultant (Registered Nurse)1497087282
Verify Ramon Marquez 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 036116692Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
77% fewer Medicare Part D claims than the average psychiatry physician in 2024
228 Medicare Part D claims for 25 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.
Most prescribed
- Duloxetine Hcl24 claims
- Quetiapine Fumarate23 claims
- Invega Sustenna18 claims
- Alprazolam15 claims
- Haloperidol Decanoate12 claims
- Olanzapine12 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: $51.65
2 payments; by number, the most common kind was food and beverage; the largest payer was Otsuka America Pharmaceutical, 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.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Ramon Marquez among 2,147 psychiatry physician records in Illinois
Ramon Marquez, 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 updated2011 · 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 Dekalb → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Diana Kraft, MDDekalb, IL 601151710958673
- Samar Mahmood, MDDekalb, IL 601151669545943
- Jennifer Mellin, MDDekalb, IL 601151932128808
- Amber Bard, MDElgin, IL 601201396230025
- Conchita Gavino, MDElgin, IL 601201215961214
- Emad Amer, MDBloomingdale, IL 601081700992799
- Syed Ali Imran Bokhari, M.D.Bloomingdale, IL 601081922236835
- Dana Fairbanks, M.D.Bloomingdale, IL 601081265517379
Common questions
What is Ramon Marquez, M.D.'s NPI number?
Ramon Marquez, M.D.'s National Provider Identifier (NPI) is 1689763419, issued on Oct 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ramon Marquez, M.D. located?
The NPPES record lists a practice address at 147 N 2ND St, Dekalb, IL, 60115. Phone: (815) 217-0155. Providers update this record themselves, so call before visiting.
How can I verify Ramon Marquez, M.D.'s license?
NPPES lists Illinois license number 036116692, 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 Ramon Marquez, M.D. prescribe under Medicare Part D?
In 2024, Ramon Marquez, M.D. had 228 Medicare Part D claims for 25 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.