Sonya L. Thomas, MD
Obstetrics & Gynecology Physician · Chicago, IL
Sonya L. Thomas, MD is an obstetrics & gynecology physician with a practice address in Chicago, Illinois, and NPI 1780698712, issued on Jul 27, 2006. Check the license (Illinois 036093278, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Sonya L. Thomas
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 036093278 IL
Self-reported in NPPES; status is on the state search - Practice location
- 4230 W 26TH St, Chicago, IL 60623
- Phone
- (773) 277-2227
- Enumerated
- Jul 27, 2006
- Record last updated
- Dec 1, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (773) 522-5613
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 2,062 in Illinois → Look up another NPI →
Verify Sonya L. Thomas 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 036093278Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
80% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
33 Medicare Part D claims for 16 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.
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: $59.84
3 payments; by number, the most common kind was food and beverage; the largest payer was Agile Therapeutics, Inc. The 21,429 providers of this specialty with any payment received $1,030.61 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.
Sonya L. Thomas among 2,062 obstetrics & gynecology physician records in Illinois
Sonya L. Thomas, MD is one of 2,062 obstetrics & gynecology physician records with a practice address in Illinois. 72% 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 12% of them.
- NPI issued2006 · 12% of these records are older, 54% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileNo · 57% of these records are
- Record last updated2010 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
700 obstetrics & gynecology physician records list a practice address in Chicago
They are 700 of the 63,379 NPPES records with a practice address in Chicago, and 2,062 obstetrics & gynecology physician records in Illinois.
All 2,062 in Illinois → Every provider in Chicago → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Natascha Cirignani, DOChicago, IL 606231750903357
- Edgar Delcastillo, M.D.Chicago, IL 606231295799302
- Barbara Haas, M.D.Chicago, IL 606231184679540
- Dae Kwak, M.D.Chicago, IL 606231598710253
- Catherine Liu, M.D.Chicago, IL 606231467689794
- Jacob Meyer, M.D.Chicago, IL 606231629213210
- Melissa Preyss, M.D.Chicago, IL 606231073952768
- Eugenio Salazar, MDChicago, IL 606231063551372
Common questions
What is Sonya L. Thomas, MD's NPI number?
Sonya L. Thomas, MD's National Provider Identifier (NPI) is 1780698712, issued on Jul 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Sonya L. Thomas, MD located?
The NPPES record lists a practice address at 4230 W 26TH St, Chicago, IL, 60623. Phone: (773) 277-2227. Providers update this record themselves, so call before visiting.
How can I verify Sonya L. Thomas, MD's license?
NPPES lists Illinois license number 036093278, 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 Sonya L. Thomas, MD prescribe under Medicare Part D?
In 2024, Sonya L. Thomas, MD had 33 Medicare Part D claims for 16 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. 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.