Onel Martinez
Family Medicine Physician · Chicago, IL
Onel Martinez is a family medicine physician with a practice address in Chicago, Illinois, and NPI 1437509569, issued on Jun 20, 2016. Check the license on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Onel Martinez
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- OL60958269 WA
Self-reported in NPPES; status is on the state search - Practice location
- 6500 N Clark St, Chicago, IL 60626
- Phone
- (773) 388-1600
- Enumerated
- Jun 20, 2016
- Record last updated
- Aug 24, 2023
- Medicare enrollment
- Enrolled (PECOS I20250910003691); accepts Medicare assignment
- Medical or professional school
- Pacific Nw Un Of Hs, Col Of Osteopathic Medicine, 2018
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 6,215 in Illinois → Look up another NPI →
Also registered at 6500 N Clark St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Erika Bielenstein, LCPCProfessional Counselor1114585767
- Corinne Blum, M.D.Family Medicine Physician1699791400
- Eric Christoff, M.D.Internal Medicine Physician1245287317
- Chris Costas, M.D.Infectious Disease Physician1992732630
- Javon Garcia, LSWSocial Worker1942963632
- Patrick Gibbons, D.O.Family Medicine Physician1619282233
Verify Onel Martinez 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
89% fewer Medicare Part D claims than the average family medicine physician in 2024
406 Medicare Part D claims for 57 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Biktarvy31 claims
- Gabapentin19 claims
- Atorvastatin Calcium17 claims
- Estradiol13 claims
- Isentress Hd12 claims
- Spironolactone11 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: $1,020.02
44 payments; by number, the most common kind was food and beverage; the largest payer was ViiV Healthcare Company. The 55,478 providers of this specialty with any payment received $902.55 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.
Bills Medicare through one group practice
- Yakima Valley Memorial PhysiciansYakima, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Onel Martinez among 6,215 family medicine physician records in Illinois
Onel Martinez is one of 6,215 family medicine physician records with a practice address in Illinois. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 70% of them.
- NPI issued2016 · 70% of these records are older, 27% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2018 · median 2006 among the 3,714 with a school on file
- Record last updated2023 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,593 family medicine physician records list a practice address in Chicago
They are 1,593 of the 63,379 NPPES records with a practice address in Chicago, and 6,215 family medicine physician records in Illinois.
All 6,215 in Illinois → Every provider in Chicago → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Khojasteh Bahmanbeigi, M.D.Chicago, IL 606261356492227
- Corinne Blum, M.D.Chicago, IL 606261699791400
- Patrick Gibbons, D.O.Chicago, IL 606261619282233
- Joseph Sanchez, MDChicago, IL 606261912907270
- Douglas Stoltzfus, MDChicago, IL 606261295722742
- Olalekan Abimbola, MDChicago, IL 606251568251049
- Magdalena Antonik, MDChicago, IL 606251568393346
- Marilyn ChakkalamuriChicago, IL 606251366281784
Common questions
What is Onel Martinez's NPI number?
Onel Martinez's National Provider Identifier (NPI) is 1437509569, issued on Jun 20, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Onel Martinez located?
The NPPES record lists a practice address at 6500 N Clark St, Chicago, IL, 60626. Phone: (773) 388-1600. Providers update this record themselves, so call before visiting.
How can I verify Onel Martinez'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 Onel Martinez prescribe under Medicare Part D?
In 2024, Onel Martinez had 406 Medicare Part D claims for 57 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.