Rebeca Ortiz Worthington, MD
Internal Medicine Physician · Chicago, IL
Rebeca Ortiz Worthington, MD is an internal medicine physician with a practice address in Chicago, Illinois, and NPI 1164952107, issued on Jun 13, 2017. Check the license (Illinois 036.160803, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Rebeca Ortiz Worthington
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 036.160803 IL
Self-reported in NPPES; status is on the state search - Practice location
- 5841 S Maryland Ave Ste MC7082, Chicago, IL 60637
- Phone
- (773) 795-0232
- Enumerated
- Jun 13, 2017
- Record last updated
- Apr 5, 2023
- Medicare enrollment
- Enrolled (PECOS I20220906001016); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,238 in Illinois → Look up another NPI →
Also registered at 5841 S Maryland Ave Ste MC7082
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Zainab Abdul-Rahim, M.D.Internal Medicine Physician1336521657
- Ololade AkingbadeStudent in an Organized Health Care Education/Training Program1164167235
- Kurt Alberson, MDAnesthesiology Physician1538652920
- Anna Alicent AmankwahStudent in an Organized Health Care Education/Training Program1477357044
- Daniela Anderson, M.D.Internal Medicine Physician1083108971
- Amritpal Bahga, MDInternal Medicine Physician1255060737
Verify Rebeca Ortiz Worthington 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 036.160803Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
52% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,524 Medicare Part D claims for 196 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 117 claims were for opioids.
Most prescribed
- Atorvastatin Calcium98 claims
- Amlodipine Besylate74 claims
- Tramadol Hcl53 claims
- Gabapentin45 claims
- Hydrocodone-Acetaminophen45 claims
- Losartan Potassium44 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.
The MIPS final score for 2023 (Medicare payment program): 97.7 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
2 hospitals and group practices
- The University OF Chicago Medical CenterChicago, IL · Acute Care Hospitals4 of 5 stars
- University OF ChicagoChicago, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Rebeca Ortiz Worthington among 7,238 internal medicine physician records in Illinois
Rebeca Ortiz Worthington, MD is one of 7,238 internal medicine physician records with a practice address in Illinois. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 64% of them.
- NPI issued2017 · 64% of these records are older, 34% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2017 · median 2003 among the 3,580 with a school on file
- Record last updated2023 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
2,867 internal medicine physician records list a practice address in Chicago
They are 2,867 of the 63,379 NPPES records with a practice address in Chicago, and 7,238 internal medicine physician records in Illinois.
All 7,238 in Illinois → Every provider in Chicago → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Jennifer AngelesChicago, IL 606371114945276
- Sameer Badlani, MDChicago, IL 606371699795302
- Kristine Bordenave, M.D.Chicago, IL 606371811009368
- Andrew DavisChicago, IL 606371275642167
- Hatim HassanChicago, IL 606371417970385
- Keiki Hinami, M.D.Chicago, IL 606371437136785
- David Liebovitz, MDChicago, IL 606371972564748
- Thomas Mason, M.D.Chicago, IL 606371730114505
Common questions
What is Rebeca Ortiz Worthington, MD's NPI number?
Rebeca Ortiz Worthington, MD's National Provider Identifier (NPI) is 1164952107, issued on Jun 13, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Rebeca Ortiz Worthington, MD located?
The NPPES record lists a practice address at 5841 S Maryland Ave Ste MC7082, Chicago, IL, 60637. Phone: (773) 795-0232. Providers update this record themselves, so call before visiting.
How can I verify Rebeca Ortiz Worthington, MD's license?
NPPES lists Illinois license number 036.160803, 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 Rebeca Ortiz Worthington, MD prescribe under Medicare Part D?
In 2024, Rebeca Ortiz Worthington, MD had 1,524 Medicare Part D claims for 196 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Rebeca Ortiz Worthington, MD's MIPS final score?
The 2023 MIPS final score is 97.7 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.