Timothy James Peterson, MD
Family Medicine Physician · Chicago, IL
Timothy James Peterson, MD is a family medicine physician with a practice address in Chicago, Illinois, and NPI 1497259360, issued on Mar 23, 2018. Check the license (Illinois 036.156545, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Timothy James Peterson
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 036.156545 IL
Self-reported in NPPES; status is on the state search - Practice location
- 4630 S Bishop St, Chicago, IL 60609
- Phone
- (312) 996-2000
- Enumerated
- Mar 23, 2018
- Record last updated
- Jul 28, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20210818000348); accepts Medicare assignment
- Medical or professional school
- University Of Wisconsin School Of Medicine, 2018
- Entity
- Type 1 · individual
Also registered at 4630 S Bishop St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mustafa Ali, DMDDentist1134859630
- Maria AllemanaClinical Social Worker1699390534
- Stephanie Tillman, CNMAdvanced Practice Midwife1760738769
Verify Timothy James Peterson 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 036.156545Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
40% fewer Medicare Part D claims than the average family medicine physician in 2024
2,125 Medicare Part D claims for 159 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims.
Most prescribed
- Atorvastatin Calcium251 claims
- Metformin Hcl125 claims
- Lisinopril76 claims
- Amlodipine Besylate72 claims
- Jardiance72 claims
- Omeprazole69 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 practice group's MIPS final score for 2023 (Medicare payment program): 87.1 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- The Board OF Trustees OF The University OF IllinoisChicago, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (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 1,593 in Chicago → All 6,215 in Illinois → Every provider in Chicago →
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- Ahmed Abdelkader, MDChicago, IL1659104230
- Guy Abderholden, MDAntioch, IL1902899792
Common questions
What is Timothy James Peterson, MD's NPI number?
Timothy James Peterson, MD's National Provider Identifier (NPI) is 1497259360, issued on Mar 23, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Timothy James Peterson, MD located?
The NPPES record lists a practice address at 4630 S Bishop St, Chicago, IL, 60609. Phone: (312) 996-2000. Providers update this record themselves, so call before visiting.
How can I verify Timothy James Peterson, MD's license?
NPPES lists Illinois license number 036.156545, 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 Timothy James Peterson, MD prescribe under Medicare Part D?
In 2024, Timothy James Peterson, MD had 2,125 Medicare Part D claims for 159 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Timothy James Peterson, MD's MIPS final score?
The 2023 MIPS final score is 87.1 of 100, reported for the practice group. 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.