Natalie Joan Sefton Choi, MD
Family Medicine Physician · Geneva, IL
Natalie Joan Sefton Choi, MD is a family medicine physician with a practice address in Geneva, Illinois, and NPI 1154375582, issued on May 20, 2006. Check the license (Illinois 036123535, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Natalie Joan Sefton Choi
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- 036123535 IL
ME101862 FL
2005013764 MO
Self-reported in NPPES; status is on the state search - Practice location
- 298 Randall RD, Geneva, IL 60134
- Phone
- (630) 938-3300
- Enumerated
- May 20, 2006
- Record last updated
- Jun 4, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (630) 938-3310
- Medicaid IDs
- 200867703 MO
036123535 IL - Entity
- Type 1 · individual
Also registered at 298 Randall RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Natalie Joan Sefton Choi 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 036123535Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
85% fewer Medicare Part D claims than the average family medicine physician in 2024
538 Medicare Part D claims for 56 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Simvastatin40 claims
- Atorvastatin Calcium36 claims
- Amlodipine Besylate28 claims
- Fluoxetine Hcl28 claims
- Losartan Potassium25 claims
- Levothyroxine Sodium21 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): 94.1 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).
49 family medicine physician records list a practice address in Geneva
They are 49 of the 1,023 NPPES records with a practice address in Geneva, and 6,215 family medicine physician records in Illinois.
All 49 in Geneva → All 6,215 in Illinois → Every provider in Geneva →
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Common questions
What is Natalie Joan Sefton Choi, MD's NPI number?
Natalie Joan Sefton Choi, MD's National Provider Identifier (NPI) is 1154375582, issued on May 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Natalie Joan Sefton Choi, MD located?
The NPPES record lists a practice address at 298 Randall RD, Geneva, IL, 60134. Phone: (630) 938-3300. Providers update this record themselves, so call before visiting.
How can I verify Natalie Joan Sefton Choi, MD's license?
NPPES lists Illinois license number 036123535, 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 Natalie Joan Sefton Choi, MD prescribe under Medicare Part D?
In 2024, Natalie Joan Sefton Choi, MD had 538 Medicare Part D claims for 56 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Natalie Joan Sefton Choi, MD's MIPS final score?
The 2023 MIPS final score is 94.1 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.